Merge branch 'ux500-core' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into devel-stable

arch/arm/Kconfig

@@ -798,6 +798,7 @@ config ARCH_U8500
 	select GENERIC_CLOCKEVENTS
 	select COMMON_CLKDEV
 	select ARCH_REQUIRE_GPIOLIB
+	select ARCH_HAS_CPUFREQ
 	help
 	  Support for ST-Ericsson's Ux500 architecture
 

arch/arm/mach-ux500/Makefile

@@ -2,14 +2,16 @@
 # Makefile for the linux kernel, U8500 machine.
 #
 
-obj-y				:= clock.o cpu.o devices.o
-obj-$(CONFIG_UX500_SOC_DB5500)	+= cpu-db5500.o devices-db5500.o
+obj-y				:= clock.o cpu.o devices.o devices-common.o
+obj-$(CONFIG_UX500_SOC_DB5500)	+= cpu-db5500.o dma-db5500.o
 obj-$(CONFIG_UX500_SOC_DB8500)	+= cpu-db8500.o devices-db8500.o prcmu.o
-obj-$(CONFIG_MACH_U8500_MOP)	+= board-mop500.o board-mop500-sdi.o
-obj-$(CONFIG_MACH_U5500)	+= board-u5500.o
+obj-$(CONFIG_MACH_U8500_MOP)	+= board-mop500.o board-mop500-sdi.o \
+				board-mop500-keypads.o
+obj-$(CONFIG_MACH_U5500)	+= board-u5500.o board-u5500-sdi.o
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
 obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
 obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
 obj-$(CONFIG_REGULATOR_AB8500)	+= board-mop500-regulators.o
-obj-$(CONFIG_U5500_MODEM_IRQ)	+= modem_irq.o
-obj-$(CONFIG_U5500_MBOX)	+= mbox.o
+obj-$(CONFIG_U5500_MODEM_IRQ)	+= modem-irq-db5500.o
+obj-$(CONFIG_U5500_MBOX)	+= mbox-db5500.o
+obj-$(CONFIG_CPU_FREQ)		+= cpufreq.o

arch/arm/mach-ux500/board-mop500-keypads.c

@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Keypad layouts for various boards
+ */
+
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/stmpe.h>
+#include <linux/mfd/tc3589x.h>
+#include <linux/input/matrix_keypad.h>
+
+#include <plat/pincfg.h>
+#include <plat/ske.h>
+
+#include <mach/devices.h>
+#include <mach/hardware.h>
+
+#include "devices-db8500.h"
+#include "board-mop500.h"
+
+/* STMPE/SKE keypad use this key layout */
+static const unsigned int mop500_keymap[] = {
+	KEY(2, 5, KEY_END),
+	KEY(4, 1, KEY_POWER),
+	KEY(3, 5, KEY_VOLUMEDOWN),
+	KEY(1, 3, KEY_3),
+	KEY(5, 2, KEY_RIGHT),
+	KEY(5, 0, KEY_9),
+
+	KEY(0, 5, KEY_MENU),
+	KEY(7, 6, KEY_ENTER),
+	KEY(4, 5, KEY_0),
+	KEY(6, 7, KEY_2),
+	KEY(3, 4, KEY_UP),
+	KEY(3, 3, KEY_DOWN),
+
+	KEY(6, 4, KEY_SEND),
+	KEY(6, 2, KEY_BACK),
+	KEY(4, 2, KEY_VOLUMEUP),
+	KEY(5, 5, KEY_1),
+	KEY(4, 3, KEY_LEFT),
+	KEY(3, 2, KEY_7),
+};
+
+static const struct matrix_keymap_data mop500_keymap_data = {
+	.keymap		= mop500_keymap,
+	.keymap_size    = ARRAY_SIZE(mop500_keymap),
+};
+
+/*
+ * Nomadik SKE keypad
+ */
+#define ROW_PIN_I0      164
+#define ROW_PIN_I1      163
+#define ROW_PIN_I2      162
+#define ROW_PIN_I3      161
+#define ROW_PIN_I4      156
+#define ROW_PIN_I5      155
+#define ROW_PIN_I6      154
+#define ROW_PIN_I7      153
+#define COL_PIN_O0      168
+#define COL_PIN_O1      167
+#define COL_PIN_O2      166
+#define COL_PIN_O3      165
+#define COL_PIN_O4      160
+#define COL_PIN_O5      159
+#define COL_PIN_O6      158
+#define COL_PIN_O7      157
+
+#define SKE_KPD_MAX_ROWS	8
+#define SKE_KPD_MAX_COLS	8
+
+static int ske_kp_rows[] = {
+	ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
+	ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
+};
+
+/*
+ * ske_set_gpio_row: request and set gpio rows
+ */
+static int ske_set_gpio_row(int gpio)
+{
+	int ret;
+
+	ret = gpio_request(gpio, "ske-kp");
+	if (ret < 0) {
+		pr_err("ske_set_gpio_row: gpio request failed\n");
+		return ret;
+	}
+
+	ret = gpio_direction_output(gpio, 1);
+	if (ret < 0) {
+		pr_err("ske_set_gpio_row: gpio direction failed\n");
+		gpio_free(gpio);
+	}
+
+	return ret;
+}
+
+/*
+ * ske_kp_init - enable the gpio configuration
+ */
+static int ske_kp_init(void)
+{
+	int ret, i;
+
+	for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
+		ret = ske_set_gpio_row(ske_kp_rows[i]);
+		if (ret < 0) {
+			pr_err("ske_kp_init: failed init\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static struct ske_keypad_platform_data ske_keypad_board = {
+	.init		= ske_kp_init,
+	.keymap_data    = &mop500_keymap_data,
+	.no_autorepeat  = true,
+	.krow		= SKE_KPD_MAX_ROWS,     /* 8x8 matrix */
+	.kcol		= SKE_KPD_MAX_COLS,
+	.debounce_ms    = 40,			/* in millisecs */
+};
+
+/*
+ * STMPE1601
+ */
+static struct stmpe_keypad_platform_data stmpe1601_keypad_data = {
+	.debounce_ms    = 64,
+	.scan_count     = 8,
+	.no_autorepeat  = true,
+	.keymap_data    = &mop500_keymap_data,
+};
+
+static struct stmpe_platform_data stmpe1601_data = {
+	.id             = 1,
+	.blocks         = STMPE_BLOCK_KEYPAD,
+	.irq_trigger    = IRQF_TRIGGER_FALLING,
+	.irq_base       = MOP500_STMPE1601_IRQ(0),
+	.keypad         = &stmpe1601_keypad_data,
+	.autosleep      = true,
+	.autosleep_timeout = 1024,
+};
+
+static struct i2c_board_info mop500_i2c0_devices_stuib[] = {
+	{
+		I2C_BOARD_INFO("stmpe1601", 0x40),
+		.irq = NOMADIK_GPIO_TO_IRQ(218),
+		.platform_data = &stmpe1601_data,
+		.flags = I2C_CLIENT_WAKE,
+	},
+};
+
+/*
+ * TC35893
+ */
+
+static const unsigned int uib_keymap[] = {
+	KEY(3, 1, KEY_END),
+	KEY(4, 1, KEY_POWER),
+	KEY(6, 4, KEY_VOLUMEDOWN),
+	KEY(4, 2, KEY_EMAIL),
+	KEY(3, 3, KEY_RIGHT),
+	KEY(2, 5, KEY_BACKSPACE),
+
+	KEY(6, 7, KEY_MENU),
+	KEY(5, 0, KEY_ENTER),
+	KEY(4, 3, KEY_0),
+	KEY(3, 4, KEY_DOT),
+	KEY(5, 2, KEY_UP),
+	KEY(3, 5, KEY_DOWN),
+
+	KEY(4, 5, KEY_SEND),
+	KEY(0, 5, KEY_BACK),
+	KEY(6, 2, KEY_VOLUMEUP),
+	KEY(1, 3, KEY_SPACE),
+	KEY(7, 6, KEY_LEFT),
+	KEY(5, 5, KEY_SEARCH),
+};
+
+static struct matrix_keymap_data uib_keymap_data = {
+	.keymap         = uib_keymap,
+	.keymap_size    = ARRAY_SIZE(uib_keymap),
+};
+
+static struct tc3589x_keypad_platform_data tc35893_data = {
+	.krow = TC_KPD_ROWS,
+	.kcol = TC_KPD_COLUMNS,
+	.debounce_period = TC_KPD_DEBOUNCE_PERIOD,
+	.settle_time = TC_KPD_SETTLE_TIME,
+	.irqtype = IRQF_TRIGGER_FALLING,
+	.enable_wakeup = true,
+	.keymap_data    = &uib_keymap_data,
+	.no_autorepeat  = true,
+};
+
+static struct tc3589x_platform_data tc3589x_keypad_data = {
+	.block = TC3589x_BLOCK_KEYPAD,
+	.keypad = &tc35893_data,
+	.irq_base = MOP500_EGPIO_IRQ_BASE,
+};
+
+static struct i2c_board_info mop500_i2c0_devices_uib[] = {
+	{
+		I2C_BOARD_INFO("tc3589x", 0x44),
+		.platform_data = &tc3589x_keypad_data,
+		.irq = NOMADIK_GPIO_TO_IRQ(218),
+		.flags = I2C_CLIENT_WAKE,
+	},
+};
+
+void mop500_keypad_init(void)
+{
+	db8500_add_ske_keypad(&ske_keypad_board);
+
+	i2c_register_board_info(0, mop500_i2c0_devices_stuib,
+			ARRAY_SIZE(mop500_i2c0_devices_stuib));
+
+	i2c_register_board_info(0, mop500_i2c0_devices_uib,
+			ARRAY_SIZE(mop500_i2c0_devices_uib));
+
+}

arch/arm/mach-ux500/board-mop500-sdi.c

@@ -16,10 +16,24 @@
 #include <mach/devices.h>
 #include <mach/hardware.h>
 
+#include "devices-db8500.h"
 #include "pins-db8500.h"
 #include "board-mop500.h"
 
 static pin_cfg_t mop500_sdi_pins[] = {
+	/* SDI0 (MicroSD slot) */
+	GPIO18_MC0_CMDDIR,
+	GPIO19_MC0_DAT0DIR,
+	GPIO20_MC0_DAT2DIR,
+	GPIO21_MC0_DAT31DIR,
+	GPIO22_MC0_FBCLK,
+	GPIO23_MC0_CLK,
+	GPIO24_MC0_CMD,
+	GPIO25_MC0_DAT0,
+	GPIO26_MC0_DAT1,
+	GPIO27_MC0_DAT2,
+	GPIO28_MC0_DAT3,
+
 	/* SDI4 (on-board eMMC) */
 	GPIO197_MC4_DAT3,
 	GPIO198_MC4_DAT2,
@@ -49,6 +63,55 @@ static pin_cfg_t mop500_sdi2_pins[] = {
 	GPIO138_MC2_DAT7,
 };
 
+/*
+ * SDI 0 (MicroSD slot)
+ */
+
+/* MMCIPOWER bits */
+#define MCI_DATA2DIREN		(1 << 2)
+#define MCI_CMDDIREN		(1 << 3)
+#define MCI_DATA0DIREN		(1 << 4)
+#define MCI_DATA31DIREN		(1 << 5)
+#define MCI_FBCLKEN		(1 << 7)
+
+static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd,
+				   unsigned char power_mode)
+{
+	if (power_mode == MMC_POWER_UP)
+		gpio_set_value_cansleep(GPIO_SDMMC_EN, 1);
+	else if (power_mode == MMC_POWER_OFF)
+		gpio_set_value_cansleep(GPIO_SDMMC_EN, 0);
+
+	return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN |
+	       MCI_DATA2DIREN | MCI_DATA31DIREN;
+}
+
+static struct mmci_platform_data mop500_sdi0_data = {
+	.vdd_handler	= mop500_sdi0_vdd_handler,
+	.ocr_mask	= MMC_VDD_29_30,
+	.f_max		= 100000000,
+	.capabilities	= MMC_CAP_4_BIT_DATA,
+	.gpio_cd	= GPIO_SDMMC_CD,
+	.gpio_wp	= -1,
+};
+
+void mop500_sdi_tc35892_init(void)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_SDMMC_EN, "SDMMC_EN");
+	if (!ret)
+		ret = gpio_request(GPIO_SDMMC_1V8_3V_SEL,
+				   "GPIO_SDMMC_1V8_3V_SEL");
+	if (ret)
+		return;
+
+	gpio_direction_output(GPIO_SDMMC_1V8_3V_SEL, 1);
+	gpio_direction_output(GPIO_SDMMC_EN, 0);
+
+	db8500_add_sdi0(&mop500_sdi0_data);
+}
+
 /*
  * SDI 2 (POP eMMC, not on DB8500ed)
  */
@@ -74,18 +137,24 @@ static struct mmci_platform_data mop500_sdi4_data = {
 	.gpio_wp	= -1,
 };
 
-void mop500_sdi_init(void)
+void __init mop500_sdi_init(void)
 {
 	nmk_config_pins(mop500_sdi_pins, ARRAY_SIZE(mop500_sdi_pins));
 
-	u8500_sdi2_device.dev.platform_data = &mop500_sdi2_data;
-	u8500_sdi4_device.dev.platform_data = &mop500_sdi4_data;
+	/*
+	 * sdi0 will finally be added when the TC35892 initializes and calls
+	 * mop500_sdi_tc35892_init() above.
+	 */
 
+	/* PoP:ed eMMC */
 	if (!cpu_is_u8500ed()) {
 		nmk_config_pins(mop500_sdi2_pins, ARRAY_SIZE(mop500_sdi2_pins));
-		amba_device_register(&u8500_sdi2_device, &iomem_resource);
+		/* POP eMMC on v1.0 has problems with high speed */
+		if (!cpu_is_u8500v10())
+			mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED;
+		db8500_add_sdi2(&mop500_sdi2_data);
 	}
 
 	/* On-board eMMC */
-	amba_device_register(&u8500_sdi4_device, &iomem_resource);
+	db8500_add_sdi4(&mop500_sdi4_data);
 }

arch/arm/mach-ux500/board-mop500.c

@@ -13,25 +13,26 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/i2c.h>
 #include <linux/gpio.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl022.h>
 #include <linux/spi/spi.h>
 #include <linux/mfd/ab8500.h>
-#include <linux/input/matrix_keypad.h>
+#include <linux/mfd/tc3589x.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
 #include <plat/pincfg.h>
 #include <plat/i2c.h>
-#include <plat/ske.h>
 
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/devices.h>
 #include <mach/irqs.h>
 
+#include "devices-db8500.h"
 #include "pins-db8500.h"
 #include "board-mop500.h"
 
@@ -69,22 +70,12 @@ static pin_cfg_t mop500_pins[] = {
 	GPIO166_KP_O2,
 	GPIO167_KP_O1,
 	GPIO168_KP_O0,
-};
 
-static void ab4500_spi_cs_control(u32 command)
-{
-	/* set the FRM signal, which is CS  - TODO */
-}
+	/* GPIO_EXP_INT */
+	GPIO217_GPIO,
 
-struct pl022_config_chip ab4500_chip_info = {
-	.com_mode = INTERRUPT_TRANSFER,
-	.iface = SSP_INTERFACE_MOTOROLA_SPI,
-	/* we can act as master only */
-	.hierarchy = SSP_MASTER,
-	.slave_tx_disable = 0,
-	.rx_lev_trig = SSP_RX_1_OR_MORE_ELEM,
-	.tx_lev_trig = SSP_TX_1_OR_MORE_EMPTY_LOC,
-	.cs_control = ab4500_spi_cs_control,
+	/* STMPE1601 IRQ */
+	GPIO218_GPIO    | PIN_INPUT_PULLUP,
 };
 
 static struct ab8500_platform_data ab8500_platdata = {
@@ -93,9 +84,9 @@ static struct ab8500_platform_data ab8500_platdata = {
 
 static struct resource ab8500_resources[] = {
 	[0] = {
-		.start = IRQ_AB8500,
-		.end = IRQ_AB8500,
-		.flags = IORESOURCE_IRQ
+		.start	= IRQ_DB8500_AB8500,
+		.end	= IRQ_DB8500_AB8500,
+		.flags	= IORESOURCE_IRQ
 	}
 };
 
@@ -109,19 +100,6 @@ struct platform_device ab8500_device = {
 	.resource = ab8500_resources,
 };
 
-static struct spi_board_info ab8500_spi_devices[] = {
-	{
-		.modalias = "ab8500-spi",
-		.controller_data = &ab4500_chip_info,
-		.platform_data = &ab8500_platdata,
-		.max_speed_hz = 12000000,
-		.bus_num = 0,
-		.chip_select = 0,
-		.mode = SPI_MODE_3,
-		.irq = IRQ_DB8500_AB8500,
-	},
-};
-
 static struct pl022_ssp_controller ssp0_platform_data = {
 	.bus_id = 0,
 	/* pl022 not yet supports dma */
@@ -132,6 +110,34 @@ static struct pl022_ssp_controller ssp0_platform_data = {
 	.num_chipselect = 5,
 };
 
+/*
+ * TC35892
+ */
+
+static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
+{
+	mop500_sdi_tc35892_init();
+}
+
+static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
+	.gpio_base	= MOP500_EGPIO(0),
+	.setup		= mop500_tc35892_init,
+};
+
+static struct tc3589x_platform_data mop500_tc35892_data = {
+	.block		= TC3589x_BLOCK_GPIO,
+	.gpio		= &mop500_tc35892_gpio_data,
+	.irq_base	= MOP500_EGPIO_IRQ_BASE,
+};
+
+static struct i2c_board_info mop500_i2c0_devices[] = {
+	{
+		I2C_BOARD_INFO("tc3589x", 0x42),
+		.irq            = NOMADIK_GPIO_TO_IRQ(217),
+		.platform_data  = &mop500_tc35892_data,
+	},
+};
+
 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
 	/*				\
@@ -161,159 +167,49 @@ U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
 U8500_I2C_CONTROLLER(2,	0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
 U8500_I2C_CONTROLLER(3,	0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
 
-static struct amba_device *amba_devs[] __initdata = {
-	&ux500_uart0_device,
-	&ux500_uart1_device,
-	&ux500_uart2_device,
-	&u8500_ssp0_device,
-};
-
-static const unsigned int ux500_keymap[] = {
-	KEY(2, 5, KEY_END),
-	KEY(4, 1, KEY_POWER),
-	KEY(3, 5, KEY_VOLUMEDOWN),
-	KEY(1, 3, KEY_3),
-	KEY(5, 2, KEY_RIGHT),
-	KEY(5, 0, KEY_9),
-
-	KEY(0, 5, KEY_MENU),
-	KEY(7, 6, KEY_ENTER),
-	KEY(4, 5, KEY_0),
-	KEY(6, 7, KEY_2),
-	KEY(3, 4, KEY_UP),
-	KEY(3, 3, KEY_DOWN),
-
-	KEY(6, 4, KEY_SEND),
-	KEY(6, 2, KEY_BACK),
-	KEY(4, 2, KEY_VOLUMEUP),
-	KEY(5, 5, KEY_1),
-	KEY(4, 3, KEY_LEFT),
-	KEY(3, 2, KEY_7),
-};
-
-static const struct matrix_keymap_data ux500_keymap_data = {
-	.keymap         = ux500_keymap,
-	.keymap_size    = ARRAY_SIZE(ux500_keymap),
-};
+static void __init mop500_i2c_init(void)
+{
+	db8500_add_i2c0(&u8500_i2c0_data);
+	db8500_add_i2c1(&u8500_i2c1_data);
+	db8500_add_i2c2(&u8500_i2c2_data);
+	db8500_add_i2c3(&u8500_i2c3_data);
+}
 
-/*
- * Nomadik SKE keypad
- */
-#define ROW_PIN_I0      164
-#define ROW_PIN_I1      163
-#define ROW_PIN_I2      162
-#define ROW_PIN_I3      161
-#define ROW_PIN_I4      156
-#define ROW_PIN_I5      155
-#define ROW_PIN_I6      154
-#define ROW_PIN_I7      153
-#define COL_PIN_O0      168
-#define COL_PIN_O1      167
-#define COL_PIN_O2      166
-#define COL_PIN_O3      165
-#define COL_PIN_O4      160
-#define COL_PIN_O5      159
-#define COL_PIN_O6      158
-#define COL_PIN_O7      157
-
-#define SKE_KPD_MAX_ROWS        8
-#define SKE_KPD_MAX_COLS        8
-
-static int ske_kp_rows[] = {
-	ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
-	ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
+/* add any platform devices here - TODO */
+static struct platform_device *platform_devs[] __initdata = {
 };
 
-/*
- * ske_set_gpio_row: request and set gpio rows
- */
-static int ske_set_gpio_row(int gpio)
+static void __init mop500_spi_init(void)
 {
-	int ret;
-
-	ret = gpio_request(gpio, "ske-kp");
-	if (ret < 0) {
-		pr_err("ske_set_gpio_row: gpio request failed\n");
-		return ret;
-	}
-
-	ret = gpio_direction_output(gpio, 1);
-	if (ret < 0) {
-		pr_err("ske_set_gpio_row: gpio direction failed\n");
-		gpio_free(gpio);
-	}
-
-	return ret;
+	db8500_add_ssp0(&ssp0_platform_data);
 }
 
-/*
- * ske_kp_init - enable the gpio configuration
- */
-static int ske_kp_init(void)
+static void __init mop500_uart_init(void)
 {
-	int ret, i;
-
-	for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
-		ret = ske_set_gpio_row(ske_kp_rows[i]);
-		if (ret < 0) {
-			pr_err("ske_kp_init: failed init\n");
-			return ret;
-		}
-	}
-
-	return 0;
+	db8500_add_uart0();
+	db8500_add_uart1();
+	db8500_add_uart2();
 }
 
-static struct ske_keypad_platform_data ske_keypad_board = {
-	.init           = ske_kp_init,
-	.keymap_data    = &ux500_keymap_data,
-	.no_autorepeat  = true,
-	.krow           = SKE_KPD_MAX_ROWS,     /* 8x8 matrix */
-	.kcol           = SKE_KPD_MAX_COLS,
-	.debounce_ms    = 40,                   /* in millsecs */
-};
-
-
-
-/* add any platform devices here - TODO */
-static struct platform_device *platform_devs[] __initdata = {
-	&u8500_i2c0_device,
-	&ux500_i2c1_device,
-	&ux500_i2c2_device,
-	&ux500_i2c3_device,
-	&ux500_ske_keypad_device,
-};
-
 static void __init u8500_init_machine(void)
 {
-	int i;
-
 	u8500_init_devices();
 
 	nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins));
 
-	u8500_i2c0_device.dev.platform_data = &u8500_i2c0_data;
-	ux500_i2c1_device.dev.platform_data = &u8500_i2c1_data;
-	ux500_i2c2_device.dev.platform_data = &u8500_i2c2_data;
-	ux500_i2c3_device.dev.platform_data = &u8500_i2c3_data;
-	ux500_ske_keypad_device.dev.platform_data = &ske_keypad_board;
-
-	u8500_ssp0_device.dev.platform_data = &ssp0_platform_data;
-
-	/* Register the active AMBA devices on this board */
-	for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
-		amba_device_register(amba_devs[i], &iomem_resource);
-
 	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
 
+	mop500_i2c_init();
 	mop500_sdi_init();
+	mop500_spi_init();
+	mop500_uart_init();
+
+	mop500_keypad_init();
+
+	platform_device_register(&ab8500_device);
 
-	/* If HW is early drop (ED) or V1.0 then use SPI to access AB8500 */
-	if (cpu_is_u8500ed() || cpu_is_u8500v10())
-		spi_register_board_info(ab8500_spi_devices,
-			ARRAY_SIZE(ab8500_spi_devices));
-	else /* If HW is v.1.1 or later use I2C to access AB8500 */
-		platform_device_register(&ab8500_device);
+	i2c_register_board_info(0, mop500_i2c0_devices,
+				ARRAY_SIZE(mop500_i2c0_devices));
 }
 
 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")

arch/arm/mach-ux500/board-mop500.h

@@ -7,6 +7,15 @@
 #ifndef __BOARD_MOP500_H
 #define __BOARD_MOP500_H
 
+#define MOP500_EGPIO(x)			(NOMADIK_NR_GPIO + (x))
+
+/* GPIOs on the TC35892 expander */
+#define GPIO_SDMMC_CD			MOP500_EGPIO(3)
+#define GPIO_SDMMC_EN			MOP500_EGPIO(17)
+#define GPIO_SDMMC_1V8_3V_SEL		MOP500_EGPIO(18)
+
 extern void mop500_sdi_init(void);
+extern void mop500_sdi_tc35892_init(void);
+extern void mop500_keypad_init(void);
 
 #endif

arch/arm/mach-ux500/board-u5500-sdi.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Hanumath Prasad <ulf.hansson@stericsson.com>
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/amba/mmci.h>
+#include <linux/mmc/host.h>
+#include <linux/gpio.h>
+
+#include <plat/pincfg.h>
+#include <mach/db5500-regs.h>
+#include <plat/ste_dma40.h>
+
+#include "pins-db5500.h"
+#include "devices-db5500.h"
+#include "ste-dma40-db5500.h"
+
+static pin_cfg_t u5500_sdi_pins[] = {
+	/* SDI0 (POP eMMC) */
+	GPIO5_MC0_DAT0		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO6_MC0_DAT1		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO7_MC0_DAT2		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO8_MC0_DAT3		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO9_MC0_DAT4		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO10_MC0_DAT5		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO11_MC0_DAT6		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO12_MC0_DAT7		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO13_MC0_CMD		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO14_MC0_CLK		| PIN_DIR_OUTPUT | PIN_VAL_LOW,
+};
+
+static struct mmci_platform_data u5500_sdi0_data = {
+	.ocr_mask	= MMC_VDD_165_195,
+	.f_max		= 50000000,
+	.capabilities	= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_8_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED,
+	.gpio_cd	= -1,
+	.gpio_wp	= -1,
+};
+
+void __init u5500_sdi_init(void)
+{
+	nmk_config_pins(u5500_sdi_pins, ARRAY_SIZE(u5500_sdi_pins));
+
+	db5500_add_sdi0(&u5500_sdi0_data);
+}

arch/arm/mach-ux500/board-u5500.c

@@ -9,6 +9,7 @@
 #include <linux/platform_device.h>
 #include <linux/amba/bus.h>
 #include <linux/gpio.h>
+#include <linux/irq.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -17,20 +18,24 @@
 #include <mach/devices.h>
 #include <mach/setup.h>
 
-static struct amba_device *amba_board_devs[] __initdata = {
-	&ux500_uart0_device,
-	&ux500_uart1_device,
-	&ux500_uart2_device,
-};
+#include "devices-db5500.h"
+
+static void __init u5500_uart_init(void)
+{
+	db5500_add_uart0();
+	db5500_add_uart1();
+	db5500_add_uart2();
+}
 
 static void __init u5500_init_machine(void)
 {
 	u5500_init_devices();
 
-	amba_add_devices(amba_board_devs, ARRAY_SIZE(amba_board_devs));
+	u5500_sdi_init();
+	u5500_uart_init();
 }
 
-MACHINE_START(U8500, "ST-Ericsson U5500 Platform")
+MACHINE_START(U5500, "ST-Ericsson U5500 Platform")
 	.boot_params	= 0x00000100,
 	.map_io		= u5500_map_io,
 	.init_irq	= ux500_init_irq,

arch/arm/mach-ux500/clock.c

@@ -20,6 +20,12 @@
 #include <mach/hardware.h>
 #include "clock.h"
 
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+#include <linux/uaccess.h>	/* for copy_from_user */
+static LIST_HEAD(clk_list);
+#endif
+
 #define PRCC_PCKEN		0x00
 #define PRCC_PCKDIS		0x04
 #define PRCC_KCKEN		0x08
@@ -133,7 +139,7 @@ static unsigned long clk_mtu_get_rate(struct clk *clk)
 {
 	void __iomem *addr = __io_address(UX500_PRCMU_BASE)
 		+ PRCM_TCR;
-	u32 tcr = readl(addr);
+	u32 tcr;
 	int mtu = (int) clk->data;
 	/*
 	 * One of these is selected eventually
@@ -144,6 +150,14 @@ static unsigned long clk_mtu_get_rate(struct clk *clk)
 	unsigned long mturate;
 	unsigned long retclk;
 
+	/*
+	 * On a startup, always conifgure the TCR to the doze mode;
+	 * bootloaders do it for us. Do this in the kernel too.
+	 */
+	writel(PRCM_TCR_DOZE_MODE, addr);
+
+	tcr = readl(addr);
+
 	/* Get the rate from the parent as a default */
 	if (clk->parent_periph)
 		mturate = clk_get_rate(clk->parent_periph);
@@ -153,45 +167,6 @@ static unsigned long clk_mtu_get_rate(struct clk *clk)
 		/* We need to be connected SOMEWHERE */
 		BUG();
 
-	/*
-	 * Are we in doze mode?
-	 * In this mode the parent peripheral or the fixed 32768 Hz
-	 * clock is fed into the block.
-	 */
-	if (!(tcr & PRCM_TCR_DOZE_MODE)) {
-		/*
-		 * Here we're using the clock input from the APE ULP
-		 * clock domain. But first: are the timers stopped?
-		 */
-		if (tcr & PRCM_TCR_STOPPED) {
-			clk32k = 0;
-			mturate = 0;
-		} else {
-			/* Else default mode: 0 and 2.4 MHz */
-			clk32k = 0;
-			if (cpu_is_u5500())
-				/* DB5500 divides by 8 */
-				mturate /= 8;
-			else if (cpu_is_u8500ed()) {
-				/*
-				 * This clocking setting must not be used
-				 * in the ED chip, it is simply not
-				 * connected anywhere!
-				 */
-				mturate = 0;
-				BUG();
-			} else
-				/*
-				 * In this mode the ulp38m4 clock is divided
-				 * by a factor 16, on the DB8500 typically
-				 * 38400000 / 16 ~ 2.4 MHz.
-				 * TODO: Replace the constant with a reference
-				 * to the ULP source once this is modeled.
-				 */
-				mturate = 38400000 / 16;
-		}
-	}
-
 	/* Return the clock selected for this MTU */
 	if (tcr & (1 << mtu))
 		retclk = clk32k;
@@ -317,6 +292,7 @@ static struct clkops clk_prcc_ops = {
 };
 
 static struct clk clk_32khz = {
+	.name =  "clk_32khz",
 	.rate = 32000,
 };
 
@@ -366,94 +342,96 @@ static DEFINE_PRCMU_CLK(uiccclk,	0x4, 1, UICCCLK); /* v1 */
  */
 
 /* Peripheral Cluster #1 */
-static DEFINE_PRCC_CLK(1, i2c4, 	10, 9, &clk_i2cclk);
+static DEFINE_PRCC_CLK(1, i2c4,		10, 9, &clk_i2cclk);
 static DEFINE_PRCC_CLK(1, gpio0,	9, -1, NULL);
-static DEFINE_PRCC_CLK(1, slimbus0, 	8,  8, &clk_slimclk);
-static DEFINE_PRCC_CLK(1, spi3_ed, 	7,  7, NULL);
-static DEFINE_PRCC_CLK(1, spi3_v1, 	7, -1, NULL);
-static DEFINE_PRCC_CLK(1, i2c2, 	6,  6, &clk_i2cclk);
+static DEFINE_PRCC_CLK(1, slimbus0,	8,  8, &clk_slimclk);
+static DEFINE_PRCC_CLK(1, spi3_ed,	7,  7, NULL);
+static DEFINE_PRCC_CLK(1, spi3_v1,	7, -1, NULL);
+static DEFINE_PRCC_CLK(1, i2c2,		6,  6, &clk_i2cclk);
 static DEFINE_PRCC_CLK(1, sdi0,		5,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(1, msp1_ed, 	4,  4, &clk_msp02clk);
-static DEFINE_PRCC_CLK(1, msp1_v1, 	4,  4, &clk_msp1clk);
-static DEFINE_PRCC_CLK(1, msp0, 	3,  3, &clk_msp02clk);
-static DEFINE_PRCC_CLK(1, i2c1, 	2,  2, &clk_i2cclk);
-static DEFINE_PRCC_CLK(1, uart1, 	1,  1, &clk_uartclk);
-static DEFINE_PRCC_CLK(1, uart0, 	0,  0, &clk_uartclk);
+static DEFINE_PRCC_CLK(1, msp1_ed,	4,  4, &clk_msp02clk);
+static DEFINE_PRCC_CLK(1, msp1_v1,	4,  4, &clk_msp1clk);
+static DEFINE_PRCC_CLK(1, msp0,		3,  3, &clk_msp02clk);
+static DEFINE_PRCC_CLK(1, i2c1,		2,  2, &clk_i2cclk);
+static DEFINE_PRCC_CLK(1, uart1,	1,  1, &clk_uartclk);
+static DEFINE_PRCC_CLK(1, uart0,	0,  0, &clk_uartclk);
 
 /* Peripheral Cluster #2 */
 
 static DEFINE_PRCC_CLK(2, gpio1_ed,	12, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssitx_ed, 	11, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssirx_ed, 	10, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi0_ed, 	 9, -1, NULL);
-static DEFINE_PRCC_CLK(2, sdi3_ed, 	 8,  6, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, sdi1_ed, 	 7,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, msp2_ed, 	 6,  4, &clk_msp02clk);
-static DEFINE_PRCC_CLK(2, sdi4_ed, 	 4,  2, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, ssitx_ed,	11, -1, NULL);
+static DEFINE_PRCC_CLK(2, ssirx_ed,	10, -1, NULL);
+static DEFINE_PRCC_CLK(2, spi0_ed,	 9, -1, NULL);
+static DEFINE_PRCC_CLK(2, sdi3_ed,	 8,  6, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, sdi1_ed,	 7,  5, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, msp2_ed,	 6,  4, &clk_msp02clk);
+static DEFINE_PRCC_CLK(2, sdi4_ed,	 4,  2, &clk_sdmmcclk);
 static DEFINE_PRCC_CLK(2, pwl_ed,	 3,  1, NULL);
-static DEFINE_PRCC_CLK(2, spi1_ed, 	 2, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi2_ed, 	 1, -1, NULL);
-static DEFINE_PRCC_CLK(2, i2c3_ed, 	 0,  0, &clk_i2cclk);
+static DEFINE_PRCC_CLK(2, spi1_ed,	 2, -1, NULL);
+static DEFINE_PRCC_CLK(2, spi2_ed,	 1, -1, NULL);
+static DEFINE_PRCC_CLK(2, i2c3_ed,	 0,  0, &clk_i2cclk);
 
 static DEFINE_PRCC_CLK(2, gpio1_v1,	11, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssitx_v1, 	10,  7, NULL);
-static DEFINE_PRCC_CLK(2, ssirx_v1, 	 9,  6, NULL);
-static DEFINE_PRCC_CLK(2, spi0_v1, 	 8, -1, NULL);
-static DEFINE_PRCC_CLK(2, sdi3_v1, 	 7,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, sdi1_v1, 	 6,  4, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, msp2_v1, 	 5,  3, &clk_msp02clk);
-static DEFINE_PRCC_CLK(2, sdi4_v1, 	 4,  2, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, ssitx_v1,	10,  7, NULL);
+static DEFINE_PRCC_CLK(2, ssirx_v1,	 9,  6, NULL);
+static DEFINE_PRCC_CLK(2, spi0_v1,	 8, -1, NULL);
+static DEFINE_PRCC_CLK(2, sdi3_v1,	 7,  5, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, sdi1_v1,	 6,  4, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, msp2_v1,	 5,  3, &clk_msp02clk);
+static DEFINE_PRCC_CLK(2, sdi4_v1,	 4,  2, &clk_sdmmcclk);
 static DEFINE_PRCC_CLK(2, pwl_v1,	 3,  1, NULL);
-static DEFINE_PRCC_CLK(2, spi1_v1, 	 2, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi2_v1, 	 1, -1, NULL);
-static DEFINE_PRCC_CLK(2, i2c3_v1, 	 0,  0, &clk_i2cclk);
+static DEFINE_PRCC_CLK(2, spi1_v1,	 2, -1, NULL);
+static DEFINE_PRCC_CLK(2, spi2_v1,	 1, -1, NULL);
+static DEFINE_PRCC_CLK(2, i2c3_v1,	 0,  0, &clk_i2cclk);
 
 /* Peripheral Cluster #3 */
-static DEFINE_PRCC_CLK(3, gpio2, 	8, -1, NULL);
-static DEFINE_PRCC_CLK(3, sdi5, 	7,  7, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(3, uart2, 	6,  6, &clk_uartclk);
-static DEFINE_PRCC_CLK(3, ske, 		5,  5, &clk_32khz);
-static DEFINE_PRCC_CLK(3, sdi2, 	4,  4, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(3, i2c0, 	3,  3, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp1_ed, 	2,  2, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp0_ed, 	1,  1, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp1_v1, 	2,  2, &clk_sspclk);
-static DEFINE_PRCC_CLK(3, ssp0_v1, 	1,  1, &clk_sspclk);
-static DEFINE_PRCC_CLK(3, fsmc, 	0, -1, NULL);
+static DEFINE_PRCC_CLK(3, gpio2,	8, -1, NULL);
+static DEFINE_PRCC_CLK(3, sdi5,		7,  7, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(3, uart2,	6,  6, &clk_uartclk);
+static DEFINE_PRCC_CLK(3, ske,		5,  5, &clk_32khz);
+static DEFINE_PRCC_CLK(3, sdi2,		4,  4, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(3, i2c0,		3,  3, &clk_i2cclk);
+static DEFINE_PRCC_CLK(3, ssp1_ed,	2,  2, &clk_i2cclk);
+static DEFINE_PRCC_CLK(3, ssp0_ed,	1,  1, &clk_i2cclk);
+static DEFINE_PRCC_CLK(3, ssp1_v1,	2,  2, &clk_sspclk);
+static DEFINE_PRCC_CLK(3, ssp0_v1,	1,  1, &clk_sspclk);
+static DEFINE_PRCC_CLK(3, fsmc,		0, -1, NULL);
 
 /* Peripheral Cluster #4 is in the always on domain */
 
 /* Peripheral Cluster #5 */
-static DEFINE_PRCC_CLK(5, gpio3, 	1, -1, NULL);
-static DEFINE_PRCC_CLK(5, usb_ed, 	0,  0, &clk_i2cclk);
-static DEFINE_PRCC_CLK(5, usb_v1, 	0,  0, NULL);
+static DEFINE_PRCC_CLK(5, gpio3,	1, -1, NULL);
+static DEFINE_PRCC_CLK(5, usb_ed,	0,  0, &clk_i2cclk);
+static DEFINE_PRCC_CLK(5, usb_v1,	0,  0, NULL);
 
 /* Peripheral Cluster #6 */
 
 /* MTU ID in data */
 static DEFINE_PRCC_CLK_CUSTOM(6, mtu1_v1, 8, -1, NULL, clk_mtu_get_rate, 1);
 static DEFINE_PRCC_CLK_CUSTOM(6, mtu0_v1, 7, -1, NULL, clk_mtu_get_rate, 0);
-static DEFINE_PRCC_CLK(6, cfgreg_v1, 	6,  6, NULL);
-static DEFINE_PRCC_CLK(6, dmc_ed, 	6,  6, NULL);
-static DEFINE_PRCC_CLK(6, hash1, 	5, -1, NULL);
-static DEFINE_PRCC_CLK(6, unipro_v1, 	4,  1, &clk_uniproclk);
-static DEFINE_PRCC_CLK(6, cryp1_ed, 	4, -1, NULL);
-static DEFINE_PRCC_CLK(6, pka, 		3, -1, NULL);
-static DEFINE_PRCC_CLK(6, hash0, 	2, -1, NULL);
-static DEFINE_PRCC_CLK(6, cryp0, 	1, -1, NULL);
-static DEFINE_PRCC_CLK(6, rng_ed, 	0,  0, &clk_i2cclk);
-static DEFINE_PRCC_CLK(6, rng_v1, 	0,  0, &clk_rngclk);
+static DEFINE_PRCC_CLK(6, cfgreg_v1,	6,  6, NULL);
+static DEFINE_PRCC_CLK(6, dmc_ed,	6,  6, NULL);
+static DEFINE_PRCC_CLK(6, hash1,	5, -1, NULL);
+static DEFINE_PRCC_CLK(6, unipro_v1,	4,  1, &clk_uniproclk);
+static DEFINE_PRCC_CLK(6, cryp1_ed,	4, -1, NULL);
+static DEFINE_PRCC_CLK(6, pka,		3, -1, NULL);
+static DEFINE_PRCC_CLK(6, hash0,	2, -1, NULL);
+static DEFINE_PRCC_CLK(6, cryp0,	1, -1, NULL);
+static DEFINE_PRCC_CLK(6, rng_ed,	0,  0, &clk_i2cclk);
+static DEFINE_PRCC_CLK(6, rng_v1,	0,  0, &clk_rngclk);
 
 /* Peripheral Cluster #7 */
 
-static DEFINE_PRCC_CLK(7, tzpc0_ed, 	4, -1, NULL);
+static DEFINE_PRCC_CLK(7, tzpc0_ed,	4, -1, NULL);
 /* MTU ID in data */
 static DEFINE_PRCC_CLK_CUSTOM(7, mtu1_ed, 3, -1, NULL, clk_mtu_get_rate, 1);
 static DEFINE_PRCC_CLK_CUSTOM(7, mtu0_ed, 2, -1, NULL, clk_mtu_get_rate, 0);
-static DEFINE_PRCC_CLK(7, wdg_ed, 	1, -1, NULL);
-static DEFINE_PRCC_CLK(7, cfgreg_ed, 	0, -1, NULL);
+static DEFINE_PRCC_CLK(7, wdg_ed,	1, -1, NULL);
+static DEFINE_PRCC_CLK(7, cfgreg_ed,	0, -1, NULL);
 
-static struct clk clk_dummy_apb_pclk;
+static struct clk clk_dummy_apb_pclk = {
+	.name = "apb_pclk",
+};
 
 static struct clk_lookup u8500_common_clks[] = {
 	CLK(dummy_apb_pclk, NULL,	"apb_pclk"),
@@ -554,7 +532,7 @@ static struct clk_lookup u8500_ed_clks[] = {
 
 static struct clk_lookup u8500_v1_clks[] = {
 	/* Peripheral Cluster #1 */
-	CLK(i2c4,	"nmk-i2c.4", 	NULL),
+	CLK(i2c4,	"nmk-i2c.4",	NULL),
 	CLK(spi3_v1,	"spi3",		NULL),
 	CLK(msp1_v1,	"msp1",		NULL),
 
@@ -599,6 +577,183 @@ static struct clk_lookup u8500_v1_clks[] = {
 	CLK(uiccclk,	"uicc",		NULL),
 };
 
+#ifdef CONFIG_DEBUG_FS
+/*
+ *	debugfs support to trace clock tree hierarchy and attributes with
+ *	powerdebug
+ */
+static struct dentry *clk_debugfs_root;
+
+void __init clk_debugfs_add_table(struct clk_lookup *cl, size_t num)
+{
+	while (num--) {
+		/* Check that the clock has not been already registered */
+		if (!(cl->clk->list.prev != cl->clk->list.next))
+			list_add_tail(&cl->clk->list, &clk_list);
+
+		cl++;
+	}
+}
+
+static ssize_t usecount_dbg_read(struct file *file, char __user *buf,
+						  size_t size, loff_t *off)
+{
+	struct clk *clk = file->f_dentry->d_inode->i_private;
+	char cusecount[128];
+	unsigned int len;
+
+	len = sprintf(cusecount, "%u\n", clk->enabled);
+	return simple_read_from_buffer(buf, size, off, cusecount, len);
+}
+
+static ssize_t rate_dbg_read(struct file *file, char __user *buf,
+					  size_t size, loff_t *off)
+{
+	struct clk *clk = file->f_dentry->d_inode->i_private;
+	char crate[128];
+	unsigned int rate;
+	unsigned int len;
+
+	rate = clk_get_rate(clk);
+	len = sprintf(crate, "%u\n", rate);
+	return simple_read_from_buffer(buf, size, off, crate, len);
+}
+
+static const struct file_operations usecount_fops = {
+	.read = usecount_dbg_read,
+};
+
+static const struct file_operations set_rate_fops = {
+	.read = rate_dbg_read,
+};
+
+static struct dentry *clk_debugfs_register_dir(struct clk *c,
+						struct dentry *p_dentry)
+{
+	struct dentry *d, *clk_d, *child, *child_tmp;
+	char s[255];
+	char *p = s;
+
+	if (c->name == NULL)
+		p += sprintf(p, "BUG");
+	else
+		p += sprintf(p, "%s", c->name);
+
+	clk_d = debugfs_create_dir(s, p_dentry);
+	if (!clk_d)
+		return NULL;
+
+	d = debugfs_create_file("usecount", S_IRUGO,
+				clk_d, c, &usecount_fops);
+	if (!d)
+		goto err_out;
+	d = debugfs_create_file("rate", S_IRUGO,
+				clk_d, c, &set_rate_fops);
+	if (!d)
+		goto err_out;
+	/*
+	 * TODO : not currently available in ux500
+	 * d = debugfs_create_x32("flags", S_IRUGO, clk_d, (u32 *)&c->flags);
+	 * if (!d)
+	 *	goto err_out;
+	 */
+
+	return clk_d;
+
+err_out:
+	d = clk_d;
+	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
+		debugfs_remove(child);
+	debugfs_remove(clk_d);
+	return NULL;
+}
+
+static void clk_debugfs_remove_dir(struct dentry *cdentry)
+{
+	struct dentry *d, *child, *child_tmp;
+
+	d = cdentry;
+	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
+		debugfs_remove(child);
+	debugfs_remove(cdentry);
+	return ;
+}
+
+static int clk_debugfs_register_one(struct clk *c)
+{
+	struct clk *pa = c->parent_periph;
+	struct clk *bpa = c->parent_cluster;
+
+	if (!(bpa && !pa)) {
+		c->dent = clk_debugfs_register_dir(c,
+				pa ? pa->dent : clk_debugfs_root);
+		if (!c->dent)
+			return -ENOMEM;
+	}
+
+	if (bpa) {
+		c->dent_bus = clk_debugfs_register_dir(c,
+				bpa->dent_bus ? bpa->dent_bus : bpa->dent);
+		if ((!c->dent_bus) &&  (c->dent)) {
+			clk_debugfs_remove_dir(c->dent);
+			c->dent = NULL;
+			return -ENOMEM;
+		}
+	}
+	return 0;
+}
+
+static int clk_debugfs_register(struct clk *c)
+{
+	int err;
+	struct clk *pa = c->parent_periph;
+	struct clk *bpa = c->parent_cluster;
+
+	if (pa && (!pa->dent && !pa->dent_bus)) {
+		err = clk_debugfs_register(pa);
+		if (err)
+			return err;
+	}
+
+	if (bpa && (!bpa->dent && !bpa->dent_bus)) {
+		err = clk_debugfs_register(bpa);
+		if (err)
+			return err;
+	}
+
+	if ((!c->dent) && (!c->dent_bus)) {
+		err = clk_debugfs_register_one(c);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+static int __init clk_debugfs_init(void)
+{
+	struct clk *c;
+	struct dentry *d;
+	int err;
+
+	d = debugfs_create_dir("clock", NULL);
+	if (!d)
+		return -ENOMEM;
+	clk_debugfs_root = d;
+
+	list_for_each_entry(c, &clk_list, list) {
+		err = clk_debugfs_register(c);
+		if (err)
+			goto err_out;
+	}
+	return 0;
+err_out:
+	debugfs_remove_recursive(clk_debugfs_root);
+	return err;
+}
+
+late_initcall(clk_debugfs_init);
+#endif /* defined(CONFIG_DEBUG_FS) */
+
 int __init clk_init(void)
 {
 	if (cpu_is_u8500ed()) {
@@ -609,7 +764,8 @@ int __init clk_init(void)
 		/* Clock tree for U5500 not implemented yet */
 		clk_prcc_ops.enable = clk_prcc_ops.disable = NULL;
 		clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL;
-		clk_per6clk.rate = 26000000;
+		clk_uartclk.rate = 36360000;
+		clk_sdmmcclk.rate = 99900000;
 	}
 
 	clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
@@ -618,5 +774,12 @@ int __init clk_init(void)
 	else
 		clkdev_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks));
 
+#ifdef CONFIG_DEBUG_FS
+	clk_debugfs_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
+	if (cpu_is_u8500ed())
+		clk_debugfs_add_table(u8500_ed_clks, ARRAY_SIZE(u8500_ed_clks));
+	else
+		clk_debugfs_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks));
+#endif
 	return 0;
 }

arch/arm/mach-ux500/clock.h

@@ -90,6 +90,10 @@ struct clk {
 
 	struct clk		*parent_cluster;
 	struct clk		*parent_periph;
+#if defined(CONFIG_DEBUG_FS)
+	struct dentry		*dent;		/* For visible tree hierarchy */
+	struct dentry		*dent_bus;	/* For visible tree hierarchy */
+#endif
 };
 
 #define DEFINE_PRCMU_CLK(_name, _cg_off, _cg_bit, _reg)		\

arch/arm/mach-ux500/cpu-db5500.c

@@ -8,14 +8,19 @@
 #include <linux/platform_device.h>
 #include <linux/amba/bus.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 
 #include <asm/mach/map.h>
 
+#include <plat/gpio.h>
+
 #include <mach/hardware.h>
 #include <mach/devices.h>
 #include <mach/setup.h>
 #include <mach/irqs.h>
 
+#include "devices-db5500.h"
+
 static struct map_desc u5500_io_desc[] __initdata = {
 	__IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
 	__IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
@@ -110,19 +115,32 @@ static struct platform_device mbox2_device = {
 };
 
 static struct platform_device *u5500_platform_devs[] __initdata = {
-	&u5500_gpio_devs[0],
-	&u5500_gpio_devs[1],
-	&u5500_gpio_devs[2],
-	&u5500_gpio_devs[3],
-	&u5500_gpio_devs[4],
-	&u5500_gpio_devs[5],
-	&u5500_gpio_devs[6],
-	&u5500_gpio_devs[7],
 	&mbox0_device,
 	&mbox1_device,
 	&mbox2_device,
 };
 
+static resource_size_t __initdata db5500_gpio_base[] = {
+	U5500_GPIOBANK0_BASE,
+	U5500_GPIOBANK1_BASE,
+	U5500_GPIOBANK2_BASE,
+	U5500_GPIOBANK3_BASE,
+	U5500_GPIOBANK4_BASE,
+	U5500_GPIOBANK5_BASE,
+	U5500_GPIOBANK6_BASE,
+	U5500_GPIOBANK7_BASE,
+};
+
+static void __init db5500_add_gpios(void)
+{
+	struct nmk_gpio_platform_data pdata = {
+		/* No custom data yet */
+	};
+
+	dbx500_add_gpios(ARRAY_AND_SIZE(db5500_gpio_base),
+			 IRQ_DB5500_GPIO0, &pdata);
+}
+
 void __init u5500_map_io(void)
 {
 	ux500_map_io();
@@ -132,7 +150,9 @@ void __init u5500_map_io(void)
 
 void __init u5500_init_devices(void)
 {
-	ux500_init_devices();
+	db5500_add_gpios();
+	db5500_dma_init();
+	db5500_add_rtc();
 
 	platform_add_devices(u5500_platform_devs,
 			     ARRAY_SIZE(u5500_platform_devs));

arch/arm/mach-ux500/cpu-db8500.c

@@ -22,23 +22,15 @@
 #include <mach/setup.h>
 #include <mach/devices.h>
 
+#include "devices-db8500.h"
+
 static struct platform_device *platform_devs[] __initdata = {
-	&u8500_gpio_devs[0],
-	&u8500_gpio_devs[1],
-	&u8500_gpio_devs[2],
-	&u8500_gpio_devs[3],
-	&u8500_gpio_devs[4],
-	&u8500_gpio_devs[5],
-	&u8500_gpio_devs[6],
-	&u8500_gpio_devs[7],
-	&u8500_gpio_devs[8],
 	&u8500_dma40_device,
 };
 
 /* minimum static i/o mapping required to boot U8500 platforms */
 static struct map_desc u8500_io_desc[] __initdata = {
 	__IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
-	__IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
@@ -46,13 +38,18 @@ static struct map_desc u8500_io_desc[] __initdata = {
 	__MEM_DEV_DESC(U8500_BOOT_ROM_BASE, SZ_1M),
 };
 
-static struct map_desc u8500ed_io_desc[] __initdata = {
+static struct map_desc u8500_ed_io_desc[] __initdata = {
 	__IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
 	__IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
 };
 
-static struct map_desc u8500v1_io_desc[] __initdata = {
+static struct map_desc u8500_v1_io_desc[] __initdata = {
 	__IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
+	__IO_DEV_DESC(U8500_PRCMU_TCDM_BASE_V1, SZ_4K),
+};
+
+static struct map_desc u8500_v2_io_desc[] __initdata = {
+	__IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K),
 };
 
 /*
@@ -125,14 +122,38 @@ void __init u8500_map_io(void)
 	iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
 
 	if (cpu_is_u8500ed())
-		iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
-	else
-		iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
+		iotable_init(u8500_ed_io_desc, ARRAY_SIZE(u8500_ed_io_desc));
+	else if (cpu_is_u8500v1())
+		iotable_init(u8500_v1_io_desc, ARRAY_SIZE(u8500_v1_io_desc));
+	else if (cpu_is_u8500v2())
+		iotable_init(u8500_v2_io_desc, ARRAY_SIZE(u8500_v2_io_desc));
 
 	/* Read out the ASIC ID as early as we can */
 	get_db8500_asic_id();
 }
 
+static resource_size_t __initdata db8500_gpio_base[] = {
+	U8500_GPIOBANK0_BASE,
+	U8500_GPIOBANK1_BASE,
+	U8500_GPIOBANK2_BASE,
+	U8500_GPIOBANK3_BASE,
+	U8500_GPIOBANK4_BASE,
+	U8500_GPIOBANK5_BASE,
+	U8500_GPIOBANK6_BASE,
+	U8500_GPIOBANK7_BASE,
+	U8500_GPIOBANK8_BASE,
+};
+
+static void __init db8500_add_gpios(void)
+{
+	struct nmk_gpio_platform_data pdata = {
+		/* No custom data yet */
+	};
+
+	dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base),
+			 IRQ_DB8500_GPIO0, &pdata);
+}
+
 /*
  * This function is called from the board init
  */
@@ -152,12 +173,13 @@ void __init u8500_init_devices(void)
 	else
 		pr_warning("ASIC: UNKNOWN SILICON VERSION!\n");
 
-	ux500_init_devices();
-
 	if (cpu_is_u8500ed())
 		dma40_u8500ed_fixup();
 
-	/* Register the platform devices */
+	db8500_add_rtc();
+	db8500_add_gpios();
+
+	platform_device_register_simple("cpufreq-u8500", -1, NULL, 0);
 	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
 
 	return ;

arch/arm/mach-ux500/cpu.c

@@ -6,7 +6,6 @@
  */
 
 #include <linux/platform_device.h>
-#include <linux/amba/bus.h>
 #include <linux/io.h>
 #include <linux/clk.h>
 
@@ -20,6 +19,7 @@
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/devices.h>
+#include <mach/prcmu.h>
 
 #include "clock.h"
 
@@ -45,20 +45,11 @@ static struct map_desc ux500_io_desc[] __initdata = {
 	__IO_DEV_DESC(UX500_BACKUPRAM0_BASE, SZ_8K),
 };
 
-static struct amba_device *ux500_amba_devs[] __initdata = {
-	&ux500_pl031_device,
-};
-
 void __init ux500_map_io(void)
 {
 	iotable_init(ux500_io_desc, ARRAY_SIZE(ux500_io_desc));
 }
 
-void __init ux500_init_devices(void)
-{
-	amba_add_devices(ux500_amba_devs, ARRAY_SIZE(ux500_amba_devs));
-}
-
 void __init ux500_init_irq(void)
 {
 	gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29);
@@ -68,6 +59,8 @@ void __init ux500_init_irq(void)
 	 * Init clocks here so that they are available for system timer
 	 * initialization.
 	 */
+	if (cpu_is_u8500())
+		prcmu_early_init();
 	clk_init();
 }
 

arch/arm/mach-ux500/cpufreq.c

@@ -0,0 +1,211 @@
+/*
+ * CPU frequency scaling for u8500
+ * Inspired by linux/arch/arm/mach-davinci/cpufreq.c
+ *
+ * Copyright (C) STMicroelectronics 2009
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
+ * Author: Martin Persson <martin.persson@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
+
+#include <mach/hardware.h>
+#include <mach/prcmu.h>
+#include <mach/prcmu-defs.h>
+
+#define DRIVER_NAME "cpufreq-u8500"
+#define CPUFREQ_NAME "u8500"
+
+static struct device *dev;
+
+static struct cpufreq_frequency_table freq_table[] = {
+	[0] = {
+		.index = 0,
+		.frequency = 200000,
+	},
+	[1] = {
+		.index = 1,
+		.frequency = 300000,
+	},
+	[2] = {
+		.index = 2,
+		.frequency = 600000,
+	},
+	[3] = {
+		/* Used for CPU_OPP_MAX, if available */
+		.index = 3,
+		.frequency = CPUFREQ_TABLE_END,
+	},
+	[4] = {
+		.index = 4,
+		.frequency = CPUFREQ_TABLE_END,
+	},
+};
+
+static enum prcmu_cpu_opp index2opp[] = {
+	CPU_OPP_EXT_CLK,
+	CPU_OPP_50,
+	CPU_OPP_100,
+	CPU_OPP_MAX
+};
+
+static int u8500_cpufreq_verify_speed(struct cpufreq_policy *policy)
+{
+	return cpufreq_frequency_table_verify(policy, freq_table);
+}
+
+static int u8500_cpufreq_target(struct cpufreq_policy *policy,
+				unsigned int target_freq,
+				unsigned int relation)
+{
+	struct cpufreq_freqs freqs;
+	unsigned int index;
+	int ret = 0;
+
+	/*
+	 * Ensure desired rate is within allowed range.  Some govenors
+	 * (ondemand) will just pass target_freq=0 to get the minimum.
+	 */
+	if (target_freq < policy->cpuinfo.min_freq)
+		target_freq = policy->cpuinfo.min_freq;
+	if (target_freq > policy->cpuinfo.max_freq)
+		target_freq = policy->cpuinfo.max_freq;
+
+	ret = cpufreq_frequency_table_target(policy, freq_table,
+					     target_freq, relation, &index);
+	if (ret < 0) {
+		dev_err(dev, "Could not look up next frequency\n");
+		return ret;
+	}
+
+	freqs.old = policy->cur;
+	freqs.new = freq_table[index].frequency;
+	freqs.cpu = policy->cpu;
+
+	if (freqs.old == freqs.new) {
+		dev_dbg(dev, "Current and target frequencies are equal\n");
+		return 0;
+	}
+
+	dev_dbg(dev, "transition: %u --> %u\n", freqs.old, freqs.new);
+	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+	ret = prcmu_set_cpu_opp(index2opp[index]);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set OPP level\n");
+		return ret;
+	}
+
+	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+	return ret;
+}
+
+static unsigned int u8500_cpufreq_getspeed(unsigned int cpu)
+{
+	int i;
+
+	for (i = 0; prcmu_get_cpu_opp() != index2opp[i]; i++)
+		;
+	return freq_table[i].frequency;
+}
+
+static int __cpuinit u8500_cpu_init(struct cpufreq_policy *policy)
+{
+	int res;
+
+	BUILD_BUG_ON(ARRAY_SIZE(index2opp) + 1 != ARRAY_SIZE(freq_table));
+
+	if (cpu_is_u8500v2()) {
+		freq_table[1].frequency = 400000;
+		freq_table[2].frequency = 800000;
+		if (prcmu_has_arm_maxopp())
+			freq_table[3].frequency = 1000000;
+	}
+
+	/* get policy fields based on the table */
+	res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
+	if (!res)
+		cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
+	else {
+		dev_err(dev, "u8500-cpufreq : Failed to read policy table\n");
+		return res;
+	}
+
+	policy->min = policy->cpuinfo.min_freq;
+	policy->max = policy->cpuinfo.max_freq;
+	policy->cur = u8500_cpufreq_getspeed(policy->cpu);
+	policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
+
+	/*
+	 * FIXME : Need to take time measurement across the target()
+	 *	   function with no/some/all drivers in the notification
+	 *	   list.
+	 */
+	policy->cpuinfo.transition_latency = 200 * 1000; /* in ns */
+
+	/* policy sharing between dual CPUs */
+	cpumask_copy(policy->cpus, &cpu_present_map);
+
+	policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
+
+	return res;
+}
+
+static struct freq_attr *u8500_cpufreq_attr[] = {
+	&cpufreq_freq_attr_scaling_available_freqs,
+	NULL,
+};
+static int u8500_cpu_exit(struct cpufreq_policy *policy)
+{
+	cpufreq_frequency_table_put_attr(policy->cpu);
+	return 0;
+}
+
+static struct cpufreq_driver u8500_driver = {
+	.owner = THIS_MODULE,
+	.flags = CPUFREQ_STICKY,
+	.verify = u8500_cpufreq_verify_speed,
+	.target = u8500_cpufreq_target,
+	.get = u8500_cpufreq_getspeed,
+	.init = u8500_cpu_init,
+	.exit = u8500_cpu_exit,
+	.name = CPUFREQ_NAME,
+	.attr = u8500_cpufreq_attr,
+};
+
+static int __init u8500_cpufreq_probe(struct platform_device *pdev)
+{
+	dev = &pdev->dev;
+	return cpufreq_register_driver(&u8500_driver);
+}
+
+static int __exit u8500_cpufreq_remove(struct platform_device *pdev)
+{
+	return cpufreq_unregister_driver(&u8500_driver);
+}
+
+static struct platform_driver u8500_cpufreq_driver = {
+	.driver = {
+		.name	 = DRIVER_NAME,
+		.owner	 = THIS_MODULE,
+	},
+	.remove = __exit_p(u8500_cpufreq_remove),
+};
+
+static int __init u8500_cpufreq_init(void)
+{
+	return platform_driver_probe(&u8500_cpufreq_driver,
+				     &u8500_cpufreq_probe);
+}
+
+device_initcall(u8500_cpufreq_init);

arch/arm/mach-ux500/devices-common.c

@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+
+#include <plat/gpio.h>
+
+#include <mach/hardware.h>
+
+#include "devices-common.h"
+
+struct amba_device *
+dbx500_add_amba_device(const char *name, resource_size_t base,
+		       int irq, void *pdata, unsigned int periphid)
+{
+	struct amba_device *dev;
+	int ret;
+
+	dev = kzalloc(sizeof *dev, GFP_KERNEL);
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	dev->dev.init_name = name;
+
+	dev->res.start = base;
+	dev->res.end = base + SZ_4K - 1;
+	dev->res.flags = IORESOURCE_MEM;
+
+	dev->dma_mask = DMA_BIT_MASK(32);
+	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+	dev->irq[0] = irq;
+	dev->irq[1] = NO_IRQ;
+
+	dev->periphid = periphid;
+
+	dev->dev.platform_data = pdata;
+
+	ret = amba_device_register(dev, &iomem_resource);
+	if (ret) {
+		kfree(dev);
+		return ERR_PTR(ret);
+	}
+
+	return dev;
+}
+
+static struct platform_device *
+dbx500_add_platform_device(const char *name, int id, void *pdata,
+			   struct resource *res, int resnum)
+{
+	struct platform_device *dev;
+	int ret;
+
+	dev = platform_device_alloc(name, id);
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+	dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
+
+	ret = platform_device_add_resources(dev, res, resnum);
+	if (ret)
+		goto out_free;
+
+	dev->dev.platform_data = pdata;
+
+	ret = platform_device_add(dev);
+	if (ret)
+		goto out_free;
+
+	return dev;
+
+out_free:
+	platform_device_put(dev);
+	return ERR_PTR(ret);
+}
+
+struct platform_device *
+dbx500_add_platform_device_4k1irq(const char *name, int id,
+				  resource_size_t base,
+				  int irq, void *pdata)
+{
+	struct resource resources[] = {
+		[0] = {
+			.start	= base,
+			.end	= base + SZ_4K - 1,
+			.flags	= IORESOURCE_MEM,
+		},
+		[1] = {
+			.start	= irq,
+			.end	= irq,
+			.flags	= IORESOURCE_IRQ,
+		}
+	};
+
+	return dbx500_add_platform_device(name, id, pdata, resources,
+					  ARRAY_SIZE(resources));
+}
+
+static struct platform_device *
+dbx500_add_gpio(int id, resource_size_t addr, int irq,
+		struct nmk_gpio_platform_data *pdata)
+{
+	struct resource resources[] = {
+		{
+			.start	= addr,
+			.end	= addr + 127,
+			.flags	= IORESOURCE_MEM,
+		},
+		{
+			.start	= irq,
+			.end	= irq,
+			.flags	= IORESOURCE_IRQ,
+		}
+	};
+
+	return platform_device_register_resndata(NULL, "gpio", id,
+				resources, ARRAY_SIZE(resources),
+				pdata, sizeof(*pdata));
+}
+
+void dbx500_add_gpios(resource_size_t *base, int num, int irq,
+		      struct nmk_gpio_platform_data *pdata)
+{
+	int first = 0;
+	int i;
+
+	for (i = 0; i < num; i++, first += 32, irq++) {
+		pdata->first_gpio = first;
+		pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
+
+		dbx500_add_gpio(i, base[i], irq, pdata);
+	}
+}

arch/arm/mach-ux500/devices-common.h

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#ifndef __DEVICES_COMMON_H
+#define __DEVICES_COMMON_H
+
+extern struct amba_device *
+dbx500_add_amba_device(const char *name, resource_size_t base,
+		       int irq, void *pdata, unsigned int periphid);
+
+extern struct platform_device *
+dbx500_add_platform_device_4k1irq(const char *name, int id,
+				  resource_size_t base,
+				  int irq, void *pdata);
+
+struct spi_master_cntlr;
+
+static inline struct amba_device *
+dbx500_add_msp_spi(const char *name, resource_size_t base, int irq,
+		   struct spi_master_cntlr *pdata)
+{
+	return dbx500_add_amba_device(name, base, irq, pdata, 0);
+}
+
+static inline struct amba_device *
+dbx500_add_spi(const char *name, resource_size_t base, int irq,
+				   struct spi_master_cntlr *pdata)
+{
+	return dbx500_add_amba_device(name, base, irq, pdata, 0);
+}
+
+struct mmci_platform_data;
+
+static inline struct amba_device *
+dbx500_add_sdi(const char *name, resource_size_t base, int irq,
+	       struct mmci_platform_data *pdata)
+{
+	return dbx500_add_amba_device(name, base, irq, pdata, 0);
+}
+
+static inline struct amba_device *
+dbx500_add_uart(const char *name, resource_size_t base, int irq)
+{
+	return dbx500_add_amba_device(name, base, irq, NULL, 0);
+}
+
+struct nmk_i2c_controller;
+
+static inline struct platform_device *
+dbx500_add_i2c(int id, resource_size_t base, int irq,
+	       struct nmk_i2c_controller *pdata)
+{
+	return dbx500_add_platform_device_4k1irq("nmk-i2c", id, base, irq,
+						 pdata);
+}
+
+struct msp_i2s_platform_data;
+
+static inline struct platform_device *
+dbx500_add_msp_i2s(int id, resource_size_t base, int irq,
+		   struct msp_i2s_platform_data *pdata)
+{
+	return dbx500_add_platform_device_4k1irq("MSP_I2S", id, base, irq,
+						 pdata);
+}
+
+static inline struct amba_device *
+dbx500_add_rtc(resource_size_t base, int irq)
+{
+	return dbx500_add_amba_device("rtc-pl031", base, irq, NULL, 0);
+}
+
+struct nmk_gpio_platform_data;
+
+void dbx500_add_gpios(resource_size_t *base, int num, int irq,
+		      struct nmk_gpio_platform_data *pdata);
+
+#endif

arch/arm/mach-ux500/devices-db5500.c

@@ -1,46 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- * License terms: GNU General Public License (GPL) version 2
- */
-
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-
-#include <mach/hardware.h>
-#include <mach/devices.h>
-
-static struct nmk_gpio_platform_data u5500_gpio_data[] = {
-	GPIO_DATA("GPIO-0-31", 0),
-	GPIO_DATA("GPIO-32-63", 32), /* 36..63 not routed to pin */
-	GPIO_DATA("GPIO-64-95", 64), /* 83..95 not routed to pin */
-	GPIO_DATA("GPIO-96-127", 96), /* 102..127 not routed to pin */
-	GPIO_DATA("GPIO-128-159", 128), /* 149..159 not routed to pin */
-	GPIO_DATA("GPIO-160-191", 160),
-	GPIO_DATA("GPIO-192-223", 192),
-	GPIO_DATA("GPIO-224-255", 224), /* 228..255 not routed to pin */
-};
-
-static struct resource u5500_gpio_resources[] = {
-	GPIO_RESOURCE(0),
-	GPIO_RESOURCE(1),
-	GPIO_RESOURCE(2),
-	GPIO_RESOURCE(3),
-	GPIO_RESOURCE(4),
-	GPIO_RESOURCE(5),
-	GPIO_RESOURCE(6),
-	GPIO_RESOURCE(7),
-};
-
-struct platform_device u5500_gpio_devs[] = {
-	GPIO_DEVICE(0),
-	GPIO_DEVICE(1),
-	GPIO_DEVICE(2),
-	GPIO_DEVICE(3),
-	GPIO_DEVICE(4),
-	GPIO_DEVICE(5),
-	GPIO_DEVICE(6),
-	GPIO_DEVICE(7),
-};

arch/arm/mach-ux500/devices-db5500.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#ifndef __DEVICES_DB5500_H
+#define __DEVICES_DB5500_H
+
+#include "devices-common.h"
+
+#define db5500_add_i2c1(pdata) \
+	dbx500_add_i2c(1, U5500_I2C1_BASE, IRQ_DB5500_I2C1, pdata)
+#define db5500_add_i2c2(pdata) \
+	dbx500_add_i2c(2, U5500_I2C2_BASE, IRQ_DB5500_I2C2, pdata)
+#define db5500_add_i2c3(pdata) \
+	dbx500_add_i2c(3, U5500_I2C3_BASE, IRQ_DB5500_I2C3, pdata)
+
+#define db5500_add_msp0_i2s(pdata) \
+	dbx500_add_msp_i2s(0, U5500_MSP0_BASE, IRQ_DB5500_MSP0, pdata)
+#define db5500_add_msp1_i2s(pdata) \
+	dbx500_add_msp_i2s(1, U5500_MSP1_BASE, IRQ_DB5500_MSP1, pdata)
+#define db5500_add_msp2_i2s(pdata) \
+	dbx500_add_msp_i2s(2, U5500_MSP2_BASE, IRQ_DB5500_MSP2, pdata)
+
+#define db5500_add_msp0_spi(pdata) \
+	dbx500_add_msp_spi("msp0", U5500_MSP0_BASE, IRQ_DB5500_MSP0, pdata)
+#define db5500_add_msp1_spi(pdata) \
+	dbx500_add_msp_spi("msp1", U5500_MSP1_BASE, IRQ_DB5500_MSP1, pdata)
+#define db5500_add_msp2_spi(pdata) \
+	dbx500_add_msp_spi("msp2", U5500_MSP2_BASE, IRQ_DB5500_MSP2, pdata)
+
+#define db5500_add_rtc() \
+	dbx500_add_rtc(U5500_RTC_BASE, IRQ_DB5500_RTC);
+
+#define db5500_add_sdi0(pdata) \
+	dbx500_add_sdi("sdi0", U5500_SDI0_BASE, IRQ_DB5500_SDMMC0, pdata)
+#define db5500_add_sdi1(pdata) \
+	dbx500_add_sdi("sdi1", U5500_SDI1_BASE, IRQ_DB5500_SDMMC1, pdata)
+#define db5500_add_sdi2(pdata) \
+	dbx500_add_sdi("sdi2", U5500_SDI2_BASE, IRQ_DB5500_SDMMC2, pdata)
+#define db5500_add_sdi3(pdata) \
+	dbx500_add_sdi("sdi3", U5500_SDI3_BASE, IRQ_DB5500_SDMMC3, pdata)
+#define db5500_add_sdi4(pdata) \
+	dbx500_add_sdi("sdi4", U5500_SDI4_BASE, IRQ_DB5500_SDMMC4, pdata)
+
+#define db5500_add_spi0(pdata) \
+	dbx500_add_spi("spi0", U5500_SPI0_BASE, IRQ_DB5500_SPI0, pdata)
+#define db5500_add_spi1(pdata) \
+	dbx500_add_spi("spi1", U5500_SPI1_BASE, IRQ_DB5500_SPI1, pdata)
+#define db5500_add_spi2(pdata) \
+	dbx500_add_spi("spi2", U5500_SPI2_BASE, IRQ_DB5500_SPI2, pdata)
+#define db5500_add_spi3(pdata) \
+	dbx500_add_spi("spi3", U5500_SPI3_BASE, IRQ_DB5500_SPI3, pdata)
+
+#define db5500_add_uart0() \
+	dbx500_add_uart("uart0", U5500_UART0_BASE, IRQ_DB5500_UART0)
+#define db5500_add_uart1() \
+	dbx500_add_uart("uart1", U5500_UART1_BASE, IRQ_DB5500_UART1)
+#define db5500_add_uart2() \
+	dbx500_add_uart("uart2", U5500_UART2_BASE, IRQ_DB5500_UART2)
+#define db5500_add_uart3() \
+	dbx500_add_uart("uart3", U5500_UART3_BASE, IRQ_DB5500_UART3)
+
+#endif

arch/arm/mach-ux500/devices-db8500.c

@@ -19,173 +19,6 @@
 
 #include "ste-dma40-db8500.h"
 
-static struct nmk_gpio_platform_data u8500_gpio_data[] = {
-	GPIO_DATA("GPIO-0-31", 0),
-	GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
-	GPIO_DATA("GPIO-64-95", 64),
-	GPIO_DATA("GPIO-96-127", 96), /* 98..127 not routed to pin */
-	GPIO_DATA("GPIO-128-159", 128),
-	GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
-	GPIO_DATA("GPIO-192-223", 192),
-	GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
-	GPIO_DATA("GPIO-256-288", 256), /* 268..288 not routed to pin */
-};
-
-static struct resource u8500_gpio_resources[] = {
-	GPIO_RESOURCE(0),
-	GPIO_RESOURCE(1),
-	GPIO_RESOURCE(2),
-	GPIO_RESOURCE(3),
-	GPIO_RESOURCE(4),
-	GPIO_RESOURCE(5),
-	GPIO_RESOURCE(6),
-	GPIO_RESOURCE(7),
-	GPIO_RESOURCE(8),
-};
-
-struct platform_device u8500_gpio_devs[] = {
-	GPIO_DEVICE(0),
-	GPIO_DEVICE(1),
-	GPIO_DEVICE(2),
-	GPIO_DEVICE(3),
-	GPIO_DEVICE(4),
-	GPIO_DEVICE(5),
-	GPIO_DEVICE(6),
-	GPIO_DEVICE(7),
-	GPIO_DEVICE(8),
-};
-
-struct amba_device u8500_ssp0_device = {
-	.dev = {
-		.coherent_dma_mask = ~0,
-		.init_name = "ssp0",
-	},
-	.res = {
-		.start = U8500_SSP0_BASE,
-		.end   = U8500_SSP0_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	.irq = {IRQ_DB8500_SSP0, NO_IRQ },
-	/* ST-Ericsson modified id */
-	.periphid = SSP_PER_ID,
-};
-
-static struct resource u8500_i2c0_resources[] = {
-	[0] = {
-		.start	= U8500_I2C0_BASE,
-		.end	= U8500_I2C0_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_DB8500_I2C0,
-		.end	= IRQ_DB8500_I2C0,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device u8500_i2c0_device = {
-	.name		= "nmk-i2c",
-	.id		= 0,
-	.resource	= u8500_i2c0_resources,
-	.num_resources	= ARRAY_SIZE(u8500_i2c0_resources),
-};
-
-static struct resource u8500_i2c4_resources[] = {
-	[0] = {
-		.start	= U8500_I2C4_BASE,
-		.end	= U8500_I2C4_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_DB8500_I2C4,
-		.end	= IRQ_DB8500_I2C4,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device u8500_i2c4_device = {
-	.name		= "nmk-i2c",
-	.id		= 4,
-	.resource	= u8500_i2c4_resources,
-	.num_resources	= ARRAY_SIZE(u8500_i2c4_resources),
-};
-
-/*
- * SD/MMC
- */
-
-struct amba_device u8500_sdi0_device = {
-	.dev		= {
-		.init_name = "sdi0",
-	},
-	.res		= {
-		.start	= U8500_SDI0_BASE,
-		.end	= U8500_SDI0_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC0, NO_IRQ},
-};
-
-struct amba_device u8500_sdi1_device = {
-	.dev		= {
-		.init_name = "sdi1",
-	},
-	.res		= {
-		.start	= U8500_SDI1_BASE,
-		.end	= U8500_SDI1_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC1, NO_IRQ},
-};
-
-struct amba_device u8500_sdi2_device = {
-	.dev		= {
-		.init_name = "sdi2",
-	},
-	.res		= {
-		.start	= U8500_SDI2_BASE,
-		.end	= U8500_SDI2_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC2, NO_IRQ},
-};
-
-struct amba_device u8500_sdi3_device = {
-	.dev		= {
-		.init_name = "sdi3",
-	},
-	.res		= {
-		.start	= U8500_SDI3_BASE,
-		.end	= U8500_SDI3_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC3, NO_IRQ},
-};
-
-struct amba_device u8500_sdi4_device = {
-	.dev		= {
-		.init_name = "sdi4",
-	},
-	.res		= {
-		.start	= U8500_SDI4_BASE,
-		.end	= U8500_SDI4_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC4, NO_IRQ},
-};
-
-struct amba_device u8500_sdi5_device = {
-	.dev		= {
-		.init_name = "sdi5",
-	},
-	.res		= {
-		.start	= U8500_SDI5_BASE,
-		.end	= U8500_SDI5_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq		= {IRQ_DB8500_SDMMC5, NO_IRQ},
-};
-
 static struct resource dma40_resources[] = {
 	[0] = {
 		.start = U8500_DMA_BASE,
@@ -295,7 +128,7 @@ struct resource keypad_resources[] = {
 	},
 };
 
-struct platform_device ux500_ske_keypad_device = {
+struct platform_device u8500_ske_keypad_device = {
 	.name = "nmk-ske-keypad",
 	.id = -1,
 	.num_resources = ARRAY_SIZE(keypad_resources),

arch/arm/mach-ux500/devices-db8500.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#ifndef __DEVICES_DB8500_H
+#define __DEVICES_DB8500_H
+
+#include "devices-common.h"
+
+struct ske_keypad_platform_data;
+struct pl022_ssp_controller;
+
+static inline struct platform_device *
+db8500_add_ske_keypad(struct ske_keypad_platform_data *pdata)
+{
+	return dbx500_add_platform_device_4k1irq("nmk-ske-keypad", -1,
+						 U8500_SKE_BASE,
+						 IRQ_DB8500_KB, pdata);
+}
+
+static inline struct amba_device *
+db8500_add_ssp(const char *name, resource_size_t base, int irq,
+	       struct pl022_ssp_controller *pdata)
+{
+	return dbx500_add_amba_device(name, base, irq, pdata, SSP_PER_ID);
+}
+
+
+#define db8500_add_i2c0(pdata) \
+	dbx500_add_i2c(0, U8500_I2C0_BASE, IRQ_DB8500_I2C0, pdata)
+#define db8500_add_i2c1(pdata) \
+	dbx500_add_i2c(1, U8500_I2C1_BASE, IRQ_DB8500_I2C1, pdata)
+#define db8500_add_i2c2(pdata) \
+	dbx500_add_i2c(2, U8500_I2C2_BASE, IRQ_DB8500_I2C2, pdata)
+#define db8500_add_i2c3(pdata) \
+	dbx500_add_i2c(3, U8500_I2C3_BASE, IRQ_DB8500_I2C3, pdata)
+#define db8500_add_i2c4(pdata) \
+	dbx500_add_i2c(4, U8500_I2C4_BASE, IRQ_DB8500_I2C4, pdata)
+
+#define db8500_add_msp0_i2s(pdata) \
+	dbx500_add_msp_i2s(0, U8500_MSP0_BASE, IRQ_DB8500_MSP0, pdata)
+#define db8500_add_msp1_i2s(pdata) \
+	dbx500_add_msp_i2s(1, U8500_MSP1_BASE, IRQ_DB8500_MSP1, pdata)
+#define db8500_add_msp2_i2s(pdata) \
+	dbx500_add_msp_i2s(2, U8500_MSP2_BASE, IRQ_DB8500_MSP2, pdata)
+#define db8500_add_msp3_i2s(pdata) \
+	dbx500_add_msp_i2s(3, U8500_MSP3_BASE, IRQ_DB8500_MSP1, pdata)
+
+#define db8500_add_msp0_spi(pdata) \
+	dbx500_add_msp_spi("msp0", U8500_MSP0_BASE, IRQ_DB8500_MSP0, pdata)
+#define db8500_add_msp1_spi(pdata) \
+	dbx500_add_msp_spi("msp1", U8500_MSP1_BASE, IRQ_DB8500_MSP1, pdata)
+#define db8500_add_msp2_spi(pdata) \
+	dbx500_add_msp_spi("msp2", U8500_MSP2_BASE, IRQ_DB8500_MSP2, pdata)
+#define db8500_add_msp3_spi(pdata) \
+	dbx500_add_msp_spi("msp3", U8500_MSP3_BASE, IRQ_DB8500_MSP1, pdata)
+
+#define db8500_add_rtc() \
+	dbx500_add_rtc(U8500_RTC_BASE, IRQ_DB8500_RTC);
+
+#define db8500_add_sdi0(pdata) \
+	dbx500_add_sdi("sdi0", U8500_SDI0_BASE, IRQ_DB8500_SDMMC0, pdata)
+#define db8500_add_sdi1(pdata) \
+	dbx500_add_sdi("sdi1", U8500_SDI1_BASE, IRQ_DB8500_SDMMC1, pdata)
+#define db8500_add_sdi2(pdata) \
+	dbx500_add_sdi("sdi2", U8500_SDI2_BASE, IRQ_DB8500_SDMMC2, pdata)
+#define db8500_add_sdi3(pdata) \
+	dbx500_add_sdi("sdi3", U8500_SDI3_BASE, IRQ_DB8500_SDMMC3, pdata)
+#define db8500_add_sdi4(pdata) \
+	dbx500_add_sdi("sdi4", U8500_SDI4_BASE, IRQ_DB8500_SDMMC4, pdata)
+#define db8500_add_sdi5(pdata) \
+	dbx500_add_sdi("sdi5", U8500_SDI5_BASE, IRQ_DB8500_SDMMC5, pdata)
+
+#define db8500_add_ssp0(pdata) \
+	db8500_add_ssp("ssp0", U8500_SSP0_BASE, IRQ_DB8500_SSP0, pdata)
+#define db8500_add_ssp1(pdata) \
+	db8500_add_ssp("ssp1", U8500_SSP1_BASE, IRQ_DB8500_SSP1, pdata)
+
+#define db8500_add_spi0(pdata) \
+	dbx500_add_spi("spi0", U8500_SPI0_BASE, IRQ_DB8500_SPI0, pdata)
+#define db8500_add_spi1(pdata) \
+	dbx500_add_spi("spi1", U8500_SPI1_BASE, IRQ_DB8500_SPI1, pdata)
+#define db8500_add_spi2(pdata) \
+	dbx500_add_spi("spi2", U8500_SPI2_BASE, IRQ_DB8500_SPI2, pdata)
+#define db8500_add_spi3(pdata) \
+	dbx500_add_spi("spi3", U8500_SPI3_BASE, IRQ_DB8500_SPI3, pdata)
+
+#define db8500_add_uart0() \
+	dbx500_add_uart("uart0", U8500_UART0_BASE, IRQ_DB8500_UART0)
+#define db8500_add_uart1() \
+	dbx500_add_uart("uart1", U8500_UART1_BASE, IRQ_DB8500_UART1)
+#define db8500_add_uart2() \
+	dbx500_add_uart("uart2", U8500_UART2_BASE, IRQ_DB8500_UART2)
+
+#endif

arch/arm/mach-ux500/devices.c

@@ -14,69 +14,6 @@
 #include <mach/hardware.h>
 #include <mach/setup.h>
 
-#define __MEM_4K_RESOURCE(x) \
-	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
-
-struct amba_device ux500_pl031_device = {
-	.dev = {
-		.init_name = "pl031",
-	},
-	.res = {
-		.start	= UX500_RTC_BASE,
-		.end	= UX500_RTC_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	.irq = {IRQ_RTC_RTT, NO_IRQ},
-};
-
-struct amba_device ux500_uart0_device = {
-	.dev = { .init_name = "uart0" },
-	__MEM_4K_RESOURCE(UX500_UART0_BASE),
-	.irq = {IRQ_UART0, NO_IRQ},
-};
-
-struct amba_device ux500_uart1_device = {
-	.dev = { .init_name = "uart1" },
-	__MEM_4K_RESOURCE(UX500_UART1_BASE),
-	.irq = {IRQ_UART1, NO_IRQ},
-};
-
-struct amba_device ux500_uart2_device = {
-	.dev = { .init_name = "uart2" },
-	__MEM_4K_RESOURCE(UX500_UART2_BASE),
-	.irq = {IRQ_UART2, NO_IRQ},
-};
-
-#define UX500_I2C_RESOURCES(id, size)				\
-static struct resource ux500_i2c##id##_resources[] = {		\
-	[0] = {							\
-		.start	= UX500_I2C##id##_BASE,			\
-		.end	= UX500_I2C##id##_BASE + size - 1,	\
-		.flags	= IORESOURCE_MEM,			\
-	},							\
-	[1] = {							\
-		.start	= IRQ_I2C##id,				\
-		.end	= IRQ_I2C##id,				\
-		.flags	= IORESOURCE_IRQ			\
-	}							\
-}
-
-UX500_I2C_RESOURCES(1, SZ_4K);
-UX500_I2C_RESOURCES(2, SZ_4K);
-UX500_I2C_RESOURCES(3, SZ_4K);
-
-#define UX500_I2C_PDEVICE(cid)					\
-struct platform_device ux500_i2c##cid##_device = {		\
-	.name		= "nmk-i2c",				\
-	.id		= cid,					\
-	.num_resources	= 2,					\
-	.resource	= ux500_i2c##cid##_resources,		\
-}
-
-UX500_I2C_PDEVICE(1);
-UX500_I2C_PDEVICE(2);
-UX500_I2C_PDEVICE(3);
-
 void __init amba_add_devices(struct amba_device *devs[], int num)
 {
 	int i;

arch/arm/mach-ux500/dma-db5500.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabinv.vincent@stericsson.com> for ST-Ericsson
+ *
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <plat/ste_dma40.h>
+#include <mach/setup.h>
+#include <mach/hardware.h>
+
+#include "ste-dma40-db5500.h"
+
+static struct resource dma40_resources[] = {
+	[0] = {
+		.start = U5500_DMA_BASE,
+		.end   = U5500_DMA_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+		.name  = "base",
+	},
+	[1] = {
+		.start = U5500_DMA_LCPA_BASE,
+		.end   = U5500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
+		.flags = IORESOURCE_MEM,
+		.name  = "lcpa",
+	},
+	[2] = {
+		.start = IRQ_DB5500_DMA,
+		.end   = IRQ_DB5500_DMA,
+		.flags = IORESOURCE_IRQ
+	}
+};
+
+/* Default configuration for physical memcpy */
+static struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
+	.mode = STEDMA40_MODE_PHYSICAL,
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_PHY_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_PHY_1,
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+};
+
+/* Default configuration for logical memcpy */
+static struct stedma40_chan_cfg dma40_memcpy_conf_log = {
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_LOG_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+};
+
+/*
+ * Mapping between soruce event lines and physical device address This was
+ * created assuming that the event line is tied to a device and therefore the
+ * address is constant, however this is not true for at least USB, and the
+ * values are just placeholders for USB.  This table is preserved and used for
+ * now.
+ */
+static const dma_addr_t dma40_rx_map[DB5500_DMA_NR_DEV] = {
+	[DB5500_DMA_DEV24_SDMMC0_RX] = -1,
+};
+
+/* Mapping between destination event lines and physical device address */
+static const dma_addr_t dma40_tx_map[DB5500_DMA_NR_DEV] = {
+	[DB5500_DMA_DEV24_SDMMC0_TX] = -1,
+};
+
+static int dma40_memcpy_event[] = {
+	DB5500_DMA_MEMCPY_TX_1,
+	DB5500_DMA_MEMCPY_TX_2,
+	DB5500_DMA_MEMCPY_TX_3,
+	DB5500_DMA_MEMCPY_TX_4,
+	DB5500_DMA_MEMCPY_TX_5,
+};
+
+static struct stedma40_platform_data dma40_plat_data = {
+	.dev_len		= ARRAY_SIZE(dma40_rx_map),
+	.dev_rx			= dma40_rx_map,
+	.dev_tx			= dma40_tx_map,
+	.memcpy			= dma40_memcpy_event,
+	.memcpy_len		= ARRAY_SIZE(dma40_memcpy_event),
+	.memcpy_conf_phy	= &dma40_memcpy_conf_phy,
+	.memcpy_conf_log	= &dma40_memcpy_conf_log,
+	.disabled_channels	= {-1},
+};
+
+static struct platform_device dma40_device = {
+	.dev = {
+		.platform_data = &dma40_plat_data,
+	},
+	.name		= "dma40",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(dma40_resources),
+	.resource	= dma40_resources
+};
+
+void __init db5500_dma_init(void)
+{
+	int ret;
+
+	ret = platform_device_register(&dma40_device);
+	if (ret)
+		dev_err(&dma40_device.dev, "unable to register device: %d\n", ret);
+
+}

arch/arm/mach-ux500/include/mach/db5500-regs.h

@@ -114,4 +114,8 @@
 #define U5500_MBOX2_LOCAL_START	(U5500_MBOX_BASE + 0x20)
 #define U5500_MBOX2_LOCAL_END	(U5500_MBOX_BASE + 0x3F)
 
+#define U5500_ESRAM_BASE		0x40000000
+#define U5500_ESRAM_DMA_LCPA_OFFSET	0x10000
+#define U5500_DMA_LCPA_BASE    (U5500_ESRAM_BASE + U5500_ESRAM_DMA_LCPA_OFFSET)
+
 #endif

arch/arm/mach-ux500/include/mach/db8500-regs.h

@@ -92,7 +92,8 @@
 #define U8500_SCR_BASE		(U8500_PER4_BASE + 0x05000)
 #define U8500_DMC_BASE		(U8500_PER4_BASE + 0x06000)
 #define U8500_PRCMU_BASE	(U8500_PER4_BASE + 0x07000)
-#define U8500_PRCMU_TCDM_BASE	(U8500_PER4_BASE + 0x0f000)
+#define U8500_PRCMU_TCDM_BASE_V1 (U8500_PER4_BASE + 0x0f000)
+#define U8500_PRCMU_TCDM_BASE   (U8500_PER4_BASE + 0x68000)
 
 /* per3 base addresses */
 #define U8500_FSMC_BASE		(U8500_PER3_BASE + 0x0000)

arch/arm/mach-ux500/include/mach/devices.h

@@ -14,27 +14,10 @@ extern struct platform_device u5500_gpio_devs[];
 extern struct platform_device u8500_gpio_devs[];
 
 extern struct amba_device ux500_pl031_device;
-extern struct amba_device u8500_ssp0_device;
-extern struct amba_device ux500_uart0_device;
-extern struct amba_device ux500_uart1_device;
-extern struct amba_device ux500_uart2_device;
 
-extern struct platform_device ux500_i2c1_device;
-extern struct platform_device ux500_i2c2_device;
-extern struct platform_device ux500_i2c3_device;
-
-extern struct platform_device u8500_i2c0_device;
-extern struct platform_device u8500_i2c4_device;
 extern struct platform_device u8500_dma40_device;
 extern struct platform_device ux500_ske_keypad_device;
 
-extern struct amba_device u8500_sdi0_device;
-extern struct amba_device u8500_sdi1_device;
-extern struct amba_device u8500_sdi2_device;
-extern struct amba_device u8500_sdi3_device;
-extern struct amba_device u8500_sdi4_device;
-extern struct amba_device u8500_sdi5_device;
-
 void dma40_u8500ed_fixup(void);
 
 #endif

arch/arm/mach-ux500/include/mach/gpio.h

@@ -9,42 +9,4 @@
 
 #include <plat/gpio.h>
 
-#define __GPIO_RESOURCE(soc, block)					\
-	{								\
-		.start	= soc##_GPIOBANK##block##_BASE,			\
-		.end	= soc##_GPIOBANK##block##_BASE + 127,		\
-		.flags	= IORESOURCE_MEM,				\
-	},								\
-	{								\
-		.start	= IRQ_GPIO##block,				\
-		.end	= IRQ_GPIO##block,				\
-		.flags	= IORESOURCE_IRQ,				\
-	}
-
-#define __GPIO_DEVICE(soc, block)					\
-	{								\
-		.name		= "gpio",				\
-		.id		= block,				\
-		.num_resources	= 2,					\
-		.resource	= &soc##_gpio_resources[block * 2],	\
-		.dev = {						\
-			.platform_data = &soc##_gpio_data[block],	\
-		},							\
-	}
-
-#define GPIO_DATA(_name, first)						\
-	{								\
-		.name		= _name,				\
-		.first_gpio	= first,				\
-		.first_irq	= NOMADIK_GPIO_TO_IRQ(first),		\
-	}
-
-#ifdef CONFIG_UX500_SOC_DB8500
-#define GPIO_RESOURCE(block)	__GPIO_RESOURCE(U8500, block)
-#define GPIO_DEVICE(block)	__GPIO_DEVICE(u8500, block)
-#elif defined(CONFIG_UX500_SOC_DB5500)
-#define GPIO_RESOURCE(block)	__GPIO_RESOURCE(U5500, block)
-#define GPIO_DEVICE(block)	__GPIO_DEVICE(u5500, block)
-#endif
-
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-ux500/include/mach/hardware.h

@@ -142,6 +142,8 @@ static inline bool cpu_is_u5500(void)
 #endif
 }
 
+#define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)
+
 #endif
 
 #endif				/* __MACH_HARDWARE_H */

arch/arm/mach-ux500/include/mach/irqs-board-mop500.h

@@ -8,12 +8,36 @@
 #ifndef __MACH_IRQS_BOARD_MOP500_H
 #define __MACH_IRQS_BOARD_MOP500_H
 
-#define AB8500_NR_IRQS			104
+/* Number of AB8500 irqs is taken from header file */
+#include <linux/mfd/ab8500.h>
 
 #define MOP500_AB8500_IRQ_BASE		IRQ_BOARD_START
 #define MOP500_AB8500_IRQ_END		(MOP500_AB8500_IRQ_BASE \
 					 + AB8500_NR_IRQS)
-#define MOP500_IRQ_END			MOP500_AB8500_IRQ_END
+
+/* TC35892 */
+#define TC35892_NR_INTERNAL_IRQS	8
+#define TC35892_INT_GPIO(x)		(TC35892_NR_INTERNAL_IRQS + (x))
+#define TC35892_NR_GPIOS		24
+#define TC35892_NR_IRQS			TC35892_INT_GPIO(TC35892_NR_GPIOS)
+
+#define MOP500_EGPIO_NR_IRQS		TC35892_NR_IRQS
+
+#define MOP500_EGPIO_IRQ_BASE		MOP500_AB8500_IRQ_END
+#define MOP500_EGPIO_IRQ_END		(MOP500_EGPIO_IRQ_BASE \
+					 + MOP500_EGPIO_NR_IRQS)
+/* STMPE1601 irqs */
+#define STMPE_NR_INTERNAL_IRQS          9
+#define STMPE_INT_GPIO(x)               (STMPE_NR_INTERNAL_IRQS + (x))
+#define STMPE_NR_GPIOS                  24
+#define STMPE_NR_IRQS                   STMPE_INT_GPIO(STMPE_NR_GPIOS)
+
+#define MOP500_STMPE1601_IRQBASE        MOP500_EGPIO_IRQ_END
+#define MOP500_STMPE1601_IRQ(x)         (MOP500_STMPE1601_IRQBASE + (x))
+
+#define MOP500_NR_IRQS          MOP500_STMPE1601_IRQ(STMPE_NR_INTERNAL_IRQS)
+
+#define MOP500_IRQ_END          MOP500_NR_IRQS
 
 #if MOP500_IRQ_END > IRQ_BOARD_END
 #undef IRQ_BOARD_END

arch/arm/mach-ux500/include/mach/irqs.h

@@ -21,50 +21,6 @@
 
 /* Interrupt numbers generic for shared peripheral */
 #define IRQ_MTU0		(IRQ_SHPI_START + 4)
-#define IRQ_SPI2		(IRQ_SHPI_START + 6)
-#define IRQ_SPI0		(IRQ_SHPI_START + 8)
-#define IRQ_UART0		(IRQ_SHPI_START + 11)
-#define IRQ_I2C3		(IRQ_SHPI_START + 12)
-#define IRQ_SSP0		(IRQ_SHPI_START + 14)
-#define IRQ_MTU1		(IRQ_SHPI_START + 17)
-#define IRQ_RTC_RTT		(IRQ_SHPI_START + 18)
-#define IRQ_UART1		(IRQ_SHPI_START + 19)
-#define IRQ_I2C0		(IRQ_SHPI_START + 21)
-#define IRQ_I2C1		(IRQ_SHPI_START + 22)
-#define IRQ_USBOTG		(IRQ_SHPI_START + 23)
-#define IRQ_DMA			(IRQ_SHPI_START + 25)
-#define IRQ_UART2		(IRQ_SHPI_START + 26)
-#define IRQ_HSIR_EXCEP		(IRQ_SHPI_START + 29)
-#define IRQ_MSP0		(IRQ_SHPI_START + 31)
-#define IRQ_HSIR_CH0_OVRRUN	(IRQ_SHPI_START + 32)
-#define IRQ_HSIR_CH1_OVRRUN	(IRQ_SHPI_START + 33)
-#define IRQ_HSIR_CH2_OVRRUN	(IRQ_SHPI_START + 34)
-#define IRQ_HSIR_CH3_OVRRUN	(IRQ_SHPI_START + 35)
-#define IRQ_AB8500		(IRQ_SHPI_START + 40)
-#define IRQ_PRCMU               (IRQ_SHPI_START + 47)
-#define IRQ_DISP		(IRQ_SHPI_START + 48)
-#define IRQ_SiPI3		(IRQ_SHPI_START + 49)
-#define IRQ_I2C4		(IRQ_SHPI_START + 51)
-#define IRQ_SSP1		(IRQ_SHPI_START + 52)
-#define IRQ_I2C2		(IRQ_SHPI_START + 55)
-#define IRQ_SDMMC0		(IRQ_SHPI_START + 60)
-#define IRQ_MSP1		(IRQ_SHPI_START + 62)
-#define IRQ_SPI1		(IRQ_SHPI_START + 96)
-#define IRQ_MSP2		(IRQ_SHPI_START + 98)
-#define IRQ_SDMMC4		(IRQ_SHPI_START + 99)
-#define IRQ_HSIRD0		(IRQ_SHPI_START + 104)
-#define IRQ_HSIRD1		(IRQ_SHPI_START + 105)
-#define IRQ_HSITD0		(IRQ_SHPI_START + 106)
-#define IRQ_HSITD1		(IRQ_SHPI_START + 107)
-#define IRQ_GPIO0		(IRQ_SHPI_START + 119)
-#define IRQ_GPIO1		(IRQ_SHPI_START + 120)
-#define IRQ_GPIO2		(IRQ_SHPI_START + 121)
-#define IRQ_GPIO3		(IRQ_SHPI_START + 122)
-#define IRQ_GPIO4		(IRQ_SHPI_START + 123)
-#define IRQ_GPIO5		(IRQ_SHPI_START + 124)
-#define IRQ_GPIO6		(IRQ_SHPI_START + 125)
-#define IRQ_GPIO7		(IRQ_SHPI_START + 126)
-#define IRQ_GPIO8		(IRQ_SHPI_START + 127)
 
 /* There are 128 shared peripheral interrupts assigned to
  * INTID[160:32]. The first 32 interrupts are reserved.

arch/arm/mach-ux500/include/mach/prcmu-defs.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) STMicroelectronics 2009
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
+ * Author: Martin Persson <martin.persson@stericsson.com>
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * PRCM Unit definitions
+ */
+
+#ifndef __MACH_PRCMU_DEFS_H
+#define __MACH_PRCMU_DEFS_H
+
+enum prcmu_cpu_opp {
+	CPU_OPP_INIT	  = 0x00,
+	CPU_OPP_NO_CHANGE = 0x01,
+	CPU_OPP_100	  = 0x02,
+	CPU_OPP_50	  = 0x03,
+	CPU_OPP_MAX	  = 0x04,
+	CPU_OPP_EXT_CLK	  = 0x07
+};
+enum prcmu_ape_opp {
+	APE_OPP_NO_CHANGE = 0x00,
+	APE_OPP_100	  = 0x02,
+	APE_OPP_50	  = 0x03,
+};
+
+#endif /* __MACH_PRCMU_DEFS_H */

arch/arm/mach-ux500/include/mach/prcmu-regs.h

@@ -1,10 +1,15 @@
 /*
- * Copyright (c) 2009 ST-Ericsson SA
+ * Copyright (C) STMicroelectronics 2009
+ * Copyright (C) ST-Ericsson SA 2010
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
+ * Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * PRCM Unit registers
  */
+
 #ifndef __MACH_PRCMU_REGS_H
 #define __MACH_PRCMU_REGS_H
 
@@ -88,4 +93,4 @@
 /* Miscellaneous unit registers */
 #define PRCM_DSI_SW_RESET          (_PRCMU_BASE + 0x324)
 
-#endif /* __MACH_PRCMU__REGS_H */
+#endif /* __MACH_PRCMU_REGS_H */

arch/arm/mach-ux500/include/mach/prcmu.h

@@ -2,14 +2,27 @@
  * Copyright (C) STMicroelectronics 2009
  * Copyright (C) ST-Ericsson SA 2010
  *
+ * Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
+ * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
+ *
  * License Terms: GNU General Public License v2
  *
- * PRCMU f/w APIs
+ * PRCM Unit f/w API
  */
 #ifndef __MACH_PRCMU_H
 #define __MACH_PRCMU_H
+#include <mach/prcmu-defs.h>
 
+void __init prcmu_early_init(void);
 int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
 int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
+int prcmu_set_ape_opp(enum prcmu_ape_opp opp);
+int prcmu_set_cpu_opp(enum prcmu_cpu_opp opp);
+int prcmu_set_ape_cpu_opps(enum prcmu_ape_opp ape_opp,
+			   enum prcmu_cpu_opp cpu_opp);
+int prcmu_get_ape_opp(void);
+int prcmu_get_cpu_opp(void);
+bool prcmu_has_arm_maxopp(void);
 
 #endif /* __MACH_PRCMU_H */

arch/arm/mach-ux500/include/mach/setup.h

@@ -18,14 +18,19 @@ extern void __init ux500_map_io(void);
 extern void __init u5500_map_io(void);
 extern void __init u8500_map_io(void);
 
-extern void __init ux500_init_devices(void);
 extern void __init u5500_init_devices(void);
 extern void __init u8500_init_devices(void);
 
 extern void __init ux500_init_irq(void);
+
+extern void __init u5500_sdi_init(void);
+
+extern void __init db5500_dma_init(void);
+
 /* We re-use nomadik_timer for this platform */
 extern void nmdk_timer_init(void);
 
+struct amba_device;
 extern void __init amba_add_devices(struct amba_device *devs[], int num);
 
 struct sys_timer;

arch/arm/mach-ux500/include/mach/uncompress.h

@@ -19,38 +19,43 @@
 #define __ASM_ARCH_UNCOMPRESS_H
 
 #include <asm/setup.h>
+#include <asm/mach-types.h>
 #include <linux/io.h>
+#include <linux/amba/serial.h>
 #include <mach/hardware.h>
 
-#define U8500_UART_DR		0x80007000
-#define U8500_UART_LCRH		0x8000702c
-#define U8500_UART_CR		0x80007030
-#define U8500_UART_FR		0x80007018
+static u32 ux500_uart_base;
 
 static void putc(const char c)
 {
 	/* Do nothing if the UART is not enabled. */
-	if (!(__raw_readb(U8500_UART_CR) & 0x1))
+	if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
 		return;
 
 	if (c == '\n')
 		putc('\r');
 
-	while (__raw_readb(U8500_UART_FR) & (1 << 5))
+	while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 5))
 		barrier();
-	__raw_writeb(c, U8500_UART_DR);
+	__raw_writeb(c, ux500_uart_base + UART01x_DR);
 }
 
 static void flush(void)
 {
-	if (!(__raw_readb(U8500_UART_CR) & 0x1))
+	if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
 		return;
-	while (__raw_readb(U8500_UART_FR) & (1 << 3))
+	while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 3))
 		barrier();
 }
 
 static inline void arch_decomp_setup(void)
 {
+	if (machine_is_u8500())
+		ux500_uart_base = U8500_UART2_BASE;
+	else if (machine_is_u5500())
+		ux500_uart_base = U5500_UART0_BASE;
+	else /* not much can be done to help here */
+		ux500_uart_base = U8500_UART2_BASE;
 }
 
 #define arch_decomp_wdog() /* nothing to do here */

arch/arm/mach-ux500/mbox.c → arch/arm/mach-ux500/mbox-db5500.c

@@ -38,7 +38,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/completion.h>
-#include <mach/mbox.h>
+#include <mach/mbox-db5500.h>
 
 #define MBOX_NAME "mbox"
 

arch/arm/mach-ux500/platsmp.c

@@ -26,7 +26,7 @@
  * control for which core is the next to come out of the secondary
  * boot "holding pen"
  */
-volatile int __cpuinitdata pen_release = -1;
+volatile int pen_release = -1;
 
 static unsigned int __init get_core_count(void)
 {

arch/arm/mach-ux500/prcmu.c

@@ -1,10 +1,14 @@
 /*
- * Copyright (C) ST Ericsson SA 2010
+ * Copyright (C) STMicroelectronics 2009
+ * Copyright (C) ST-Ericsson SA 2010
  *
  * License Terms: GNU General Public License v2
+ * Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
  * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
  *
- * U8500 PRCMU driver.
+ * U8500 PRCM Unit interface driver
+ *
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -19,11 +23,26 @@
 
 #include <mach/hardware.h>
 #include <mach/prcmu-regs.h>
+#include <mach/prcmu-defs.h>
+
+/* Global var to runtime determine TCDM base for v2 or v1 */
+static __iomem void *tcdm_base;
+
+#define _MBOX_HEADER		(tcdm_base + 0xFE8)
+#define MBOX_HEADER_REQ_MB0	(_MBOX_HEADER + 0x0)
+
+#define REQ_MB1 (tcdm_base + 0xFD0)
+#define REQ_MB5 (tcdm_base + 0xE44)
 
-#define PRCMU_TCDM_BASE __io_address(U8500_PRCMU_TCDM_BASE)
+#define REQ_MB1_ARMOPP		(REQ_MB1 + 0x0)
+#define REQ_MB1_APEOPP		(REQ_MB1 + 0x1)
+#define REQ_MB1_BOOSTOPP	(REQ_MB1 + 0x2)
 
-#define REQ_MB5 (PRCMU_TCDM_BASE + 0xE44)
-#define ACK_MB5 (PRCMU_TCDM_BASE + 0xDF4)
+#define ACK_MB1 (tcdm_base + 0xE04)
+#define ACK_MB5 (tcdm_base + 0xDF4)
+
+#define ACK_MB1_CURR_ARMOPP		(ACK_MB1 + 0x0)
+#define ACK_MB1_CURR_APEOPP		(ACK_MB1 + 0x1)
 
 #define REQ_MB5_I2C_SLAVE_OP (REQ_MB5)
 #define REQ_MB5_I2C_HW_BITS (REQ_MB5 + 1)
@@ -33,10 +52,33 @@
 #define ACK_MB5_I2C_STATUS (ACK_MB5 + 1)
 #define ACK_MB5_I2C_VAL (ACK_MB5 + 3)
 
-#define I2C_WRITE(slave) ((slave) << 1)
-#define I2C_READ(slave) (((slave) << 1) | BIT(0))
+#define PRCM_AVS_VARM_MAX_OPP		(tcdm_base + 0x2E4)
+#define PRCM_AVS_ISMODEENABLE		7
+#define PRCM_AVS_ISMODEENABLE_MASK	(1 << PRCM_AVS_ISMODEENABLE)
+
+#define I2C_WRITE(slave) \
+	(((slave) << 1) | (cpu_is_u8500v2() ? BIT(6) : 0))
+#define I2C_READ(slave) \
+	(((slave) << 1) | (cpu_is_u8500v2() ? BIT(6) : 0) | BIT(0))
 #define I2C_STOP_EN BIT(3)
 
+enum mb1_h {
+	MB1H_ARM_OPP = 1,
+	MB1H_APE_OPP,
+	MB1H_ARM_APE_OPP,
+};
+
+static struct {
+	struct mutex lock;
+	struct completion work;
+	struct {
+		u8 arm_opp;
+		u8 ape_opp;
+		u8 arm_status;
+		u8 ape_status;
+	} ack;
+} mb1_transfer;
+
 enum ack_mb5_status {
 	I2C_WR_OK = 0x01,
 	I2C_RD_OK = 0x02,
@@ -145,6 +187,104 @@ unlock_and_return:
 }
 EXPORT_SYMBOL(prcmu_abb_write);
 
+static int set_ape_cpu_opps(u8 header, enum prcmu_ape_opp ape_opp,
+			    enum prcmu_cpu_opp cpu_opp)
+{
+	bool do_ape;
+	bool do_arm;
+	int err = 0;
+
+	do_ape = ((header == MB1H_APE_OPP) || (header == MB1H_ARM_APE_OPP));
+	do_arm = ((header == MB1H_ARM_OPP) || (header == MB1H_ARM_APE_OPP));
+
+	mutex_lock(&mb1_transfer.lock);
+
+	while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1))
+		cpu_relax();
+
+	writeb(0, MBOX_HEADER_REQ_MB0);
+	writeb(cpu_opp, REQ_MB1_ARMOPP);
+	writeb(ape_opp, REQ_MB1_APEOPP);
+	writeb(0, REQ_MB1_BOOSTOPP);
+	writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
+	wait_for_completion(&mb1_transfer.work);
+	if ((do_ape) && (mb1_transfer.ack.ape_status != 0))
+		err = -EIO;
+	if ((do_arm) && (mb1_transfer.ack.arm_status != 0))
+		err = -EIO;
+
+	mutex_unlock(&mb1_transfer.lock);
+
+	return err;
+}
+
+/**
+ * prcmu_set_ape_opp() - Set the OPP of the APE.
+ * @opp:	The OPP to set.
+ *
+ * This function sets the OPP of the APE.
+ */
+int prcmu_set_ape_opp(enum prcmu_ape_opp opp)
+{
+	return set_ape_cpu_opps(MB1H_APE_OPP, opp, APE_OPP_NO_CHANGE);
+}
+EXPORT_SYMBOL(prcmu_set_ape_opp);
+
+/**
+ * prcmu_set_cpu_opp() - Set the OPP of the CPU.
+ * @opp:	The OPP to set.
+ *
+ * This function sets the OPP of the CPU.
+ */
+int prcmu_set_cpu_opp(enum prcmu_cpu_opp opp)
+{
+	return set_ape_cpu_opps(MB1H_ARM_OPP, CPU_OPP_NO_CHANGE, opp);
+}
+EXPORT_SYMBOL(prcmu_set_cpu_opp);
+
+/**
+ * prcmu_set_ape_cpu_opps() - Set the OPPs of the APE and the CPU.
+ * @ape_opp:	The APE OPP to set.
+ * @cpu_opp:	The CPU OPP to set.
+ *
+ * This function sets the OPPs of the APE and the CPU.
+ */
+int prcmu_set_ape_cpu_opps(enum prcmu_ape_opp ape_opp,
+			   enum prcmu_cpu_opp cpu_opp)
+{
+	return set_ape_cpu_opps(MB1H_ARM_APE_OPP, ape_opp, cpu_opp);
+}
+EXPORT_SYMBOL(prcmu_set_ape_cpu_opps);
+
+/**
+ * prcmu_get_ape_opp() - Get the OPP of the APE.
+ *
+ * This function gets the OPP of the APE.
+ */
+enum prcmu_ape_opp prcmu_get_ape_opp(void)
+{
+	return readb(ACK_MB1_CURR_APEOPP);
+}
+EXPORT_SYMBOL(prcmu_get_ape_opp);
+
+/**
+ * prcmu_get_cpu_opp() - Get the OPP of the CPU.
+ *
+ * This function gets the OPP of the CPU. The OPP is specified in %%.
+ * PRCMU_OPP_EXT is a special OPP value, not specified in %%.
+ */
+int prcmu_get_cpu_opp(void)
+{
+	return readb(ACK_MB1_CURR_ARMOPP);
+}
+EXPORT_SYMBOL(prcmu_get_cpu_opp);
+
+bool prcmu_has_arm_maxopp(void)
+{
+	return (readb(PRCM_AVS_VARM_MAX_OPP) & PRCM_AVS_ISMODEENABLE_MASK)
+		== PRCM_AVS_ISMODEENABLE_MASK;
+}
+
 static void read_mailbox_0(void)
 {
 	writel(MBOX_BIT(0), PRCM_ARM_IT1_CLEAR);
@@ -152,6 +292,9 @@ static void read_mailbox_0(void)
 
 static void read_mailbox_1(void)
 {
+	mb1_transfer.ack.arm_opp = readb(ACK_MB1_CURR_ARMOPP);
+	mb1_transfer.ack.ape_opp = readb(ACK_MB1_CURR_APEOPP);
+	complete(&mb1_transfer.work);
 	writel(MBOX_BIT(1), PRCM_ARM_IT1_CLEAR);
 }
 
@@ -217,15 +360,35 @@ static irqreturn_t prcmu_irq_handler(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+void __init prcmu_early_init(void)
+{
+	if (cpu_is_u8500v11() || cpu_is_u8500ed()) {
+		tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE_V1);
+	} else if (cpu_is_u8500v2()) {
+		tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
+	} else {
+		pr_err("prcmu: Unsupported chip version\n");
+		BUG();
+	}
+}
+
 static int __init prcmu_init(void)
 {
+	if (cpu_is_u8500ed()) {
+		pr_err("prcmu: Unsupported chip version\n");
+		return 0;
+	}
+
+	mutex_init(&mb1_transfer.lock);
+	init_completion(&mb1_transfer.work);
 	mutex_init(&mb5_transfer.lock);
 	init_completion(&mb5_transfer.work);
 
 	/* Clean up the mailbox interrupts after pre-kernel code. */
 	writel((MBOX_BIT(NUM_MBOX) - 1), PRCM_ARM_IT1_CLEAR);
 
-	return request_irq(IRQ_PRCMU, prcmu_irq_handler, 0, "prcmu", NULL);
+	return request_irq(IRQ_DB8500_PRCMU1, prcmu_irq_handler, 0,
+			   "prcmu", NULL);
 }
 
 arch_initcall(prcmu_init);

arch/arm/plat-nomadik/gpio.c

@@ -119,7 +119,7 @@ static void __nmk_gpio_make_output(struct nmk_gpio_chip *nmk_chip,
 }
 
 static void __nmk_config_pin(struct nmk_gpio_chip *nmk_chip, unsigned offset,
-			     pin_cfg_t cfg)
+			     pin_cfg_t cfg, bool sleep)
 {
 	static const char *afnames[] = {
 		[NMK_GPIO_ALT_GPIO]	= "GPIO",
@@ -145,11 +145,34 @@ static void __nmk_config_pin(struct nmk_gpio_chip *nmk_chip, unsigned offset,
 	int output = PIN_DIR(cfg);
 	int val = PIN_VAL(cfg);
 
-	dev_dbg(nmk_chip->chip.dev, "pin %d: af %s, pull %s, slpm %s (%s%s)\n",
-		pin, afnames[af], pullnames[pull], slpmnames[slpm],
+	dev_dbg(nmk_chip->chip.dev, "pin %d [%#lx]: af %s, pull %s, slpm %s (%s%s)\n",
+		pin, cfg, afnames[af], pullnames[pull], slpmnames[slpm],
 		output ? "output " : "input",
 		output ? (val ? "high" : "low") : "");
 
+	if (sleep) {
+		int slpm_pull = PIN_SLPM_PULL(cfg);
+		int slpm_output = PIN_SLPM_DIR(cfg);
+		int slpm_val = PIN_SLPM_VAL(cfg);
+
+		/*
+		 * The SLPM_* values are normal values + 1 to allow zero to
+		 * mean "same as normal".
+		 */
+		if (slpm_pull)
+			pull = slpm_pull - 1;
+		if (slpm_output)
+			output = slpm_output - 1;
+		if (slpm_val)
+			val = slpm_val - 1;
+
+		dev_dbg(nmk_chip->chip.dev, "pin %d: sleep pull %s, dir %s, val %s\n",
+			pin,
+			slpm_pull ? pullnames[pull] : "same",
+			slpm_output ? (output ? "output" : "input") : "same",
+			slpm_val ? (val ? "high" : "low") : "same");
+	}
+
 	if (output)
 		__nmk_gpio_make_output(nmk_chip, offset, val);
 	else {
@@ -175,7 +198,7 @@ static void __nmk_config_pin(struct nmk_gpio_chip *nmk_chip, unsigned offset,
  * side-effects.  The gpio can be manipulated later using standard GPIO API
  * calls.
  */
-int nmk_config_pin(pin_cfg_t cfg)
+int nmk_config_pin(pin_cfg_t cfg, bool sleep)
 {
 	struct nmk_gpio_chip *nmk_chip;
 	int gpio = PIN_NUM(cfg);
@@ -186,7 +209,7 @@ int nmk_config_pin(pin_cfg_t cfg)
 		return -EINVAL;
 
 	spin_lock_irqsave(&nmk_chip->lock, flags);
-	__nmk_config_pin(nmk_chip, gpio - nmk_chip->chip.base, cfg);
+	__nmk_config_pin(nmk_chip, gpio - nmk_chip->chip.base, cfg, sleep);
 	spin_unlock_irqrestore(&nmk_chip->lock, flags);
 
 	return 0;
@@ -207,7 +230,7 @@ int nmk_config_pins(pin_cfg_t *cfgs, int num)
 	int i;
 
 	for (i = 0; i < num; i++) {
-		int ret = nmk_config_pin(cfgs[i]);
+		ret = nmk_config_pin(cfgs[i], false);
 		if (ret)
 			break;
 	}
@@ -216,6 +239,21 @@ int nmk_config_pins(pin_cfg_t *cfgs, int num)
 }
 EXPORT_SYMBOL(nmk_config_pins);
 
+int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num)
+{
+	int ret = 0;
+	int i;
+
+	for (i = 0; i < num; i++) {
+		ret = nmk_config_pin(cfgs[i], true);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL(nmk_config_pins_sleep);
+
 /**
  * nmk_gpio_set_slpm() - configure the sleep mode of a pin
  * @gpio: pin number
@@ -634,7 +672,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 
 	chip = &nmk_chip->chip;
 	chip->base = pdata->first_gpio;
-	chip->label = pdata->name;
+	chip->label = pdata->name ?: dev_name(&dev->dev);
 	chip->dev = &dev->dev;
 	chip->owner = THIS_MODULE;
 

arch/arm/plat-nomadik/include/plat/pincfg.h

@@ -19,16 +19,22 @@
  *	bit  9..10 - Alternate Function Selection
  *	bit 11..12 - Pull up/down state
  *	bit     13 - Sleep mode behaviour
- *	bit     14 - (sleep mode) Direction
- *	bit     15 - (sleep mode) Value (if output)
+ *	bit     14 - Direction
+ *	bit     15 - Value (if output)
+ *	bit 16..18 - SLPM pull up/down state
+ *	bit 19..20 - SLPM direction
+ *	bit 21..22 - SLPM Value (if output)
  *
  * to facilitate the definition, the following macros are provided
  *
  * PIN_CFG_DEFAULT - default config (0):
  *		     pull up/down = disabled
  *		     sleep mode = input/wakeup
- *		     (sleep mode) direction = input
- *		     (sleep mode) value = low
+ *		     direction = input
+ *		     value = low
+ *		     SLPM direction = same as normal
+ *		     SLPM pull = same as normal
+ *		     SLPM value = same as normal
  *
  * PIN_CFG	   - default config with alternate function
  * PIN_CFG_PULL	   - default config with alternate function and pull up/down
@@ -75,30 +81,64 @@ typedef unsigned long pin_cfg_t;
 #define PIN_VAL_LOW		(0 << PIN_VAL_SHIFT)
 #define PIN_VAL_HIGH		(1 << PIN_VAL_SHIFT)
 
-/* Shortcuts.  Use these instead of separate DIR and VAL.  */
-#define PIN_INPUT		PIN_DIR_INPUT
+#define PIN_SLPM_PULL_SHIFT	16
+#define PIN_SLPM_PULL_MASK	(0x7 << PIN_SLPM_PULL_SHIFT)
+#define PIN_SLPM_PULL(x)	\
+	(((x) & PIN_SLPM_PULL_MASK) >> PIN_SLPM_PULL_SHIFT)
+#define PIN_SLPM_PULL_NONE	\
+	((1 + NMK_GPIO_PULL_NONE) << PIN_SLPM_PULL_SHIFT)
+#define PIN_SLPM_PULL_UP	\
+	((1 + NMK_GPIO_PULL_UP) << PIN_SLPM_PULL_SHIFT)
+#define PIN_SLPM_PULL_DOWN	\
+	((1 + NMK_GPIO_PULL_DOWN) << PIN_SLPM_PULL_SHIFT)
+
+#define PIN_SLPM_DIR_SHIFT	19
+#define PIN_SLPM_DIR_MASK	(0x3 << PIN_SLPM_DIR_SHIFT)
+#define PIN_SLPM_DIR(x)		\
+	(((x) & PIN_SLPM_DIR_MASK) >> PIN_SLPM_DIR_SHIFT)
+#define PIN_SLPM_DIR_INPUT	((1 + 0) << PIN_SLPM_DIR_SHIFT)
+#define PIN_SLPM_DIR_OUTPUT	((1 + 1) << PIN_SLPM_DIR_SHIFT)
+
+#define PIN_SLPM_VAL_SHIFT	21
+#define PIN_SLPM_VAL_MASK	(0x3 << PIN_SLPM_VAL_SHIFT)
+#define PIN_SLPM_VAL(x)		\
+	(((x) & PIN_SLPM_VAL_MASK) >> PIN_SLPM_VAL_SHIFT)
+#define PIN_SLPM_VAL_LOW	((1 + 0) << PIN_SLPM_VAL_SHIFT)
+#define PIN_SLPM_VAL_HIGH	((1 + 1) << PIN_SLPM_VAL_SHIFT)
+
+/* Shortcuts.  Use these instead of separate DIR, PULL, and VAL.  */
+#define PIN_INPUT_PULLDOWN	(PIN_DIR_INPUT | PIN_PULL_DOWN)
+#define PIN_INPUT_PULLUP	(PIN_DIR_INPUT | PIN_PULL_UP)
+#define PIN_INPUT_NOPULL	(PIN_DIR_INPUT | PIN_PULL_NONE)
 #define PIN_OUTPUT_LOW		(PIN_DIR_OUTPUT | PIN_VAL_LOW)
 #define PIN_OUTPUT_HIGH		(PIN_DIR_OUTPUT | PIN_VAL_HIGH)
 
-/*
- * These are the same as the ones above, but should make more sense to the
- * reader when seen along with a setting a pin to AF mode.
- */
-#define PIN_SLPM_INPUT		PIN_INPUT
-#define PIN_SLPM_OUTPUT_LOW	PIN_OUTPUT_LOW
-#define PIN_SLPM_OUTPUT_HIGH	PIN_OUTPUT_HIGH
+#define PIN_SLPM_INPUT_PULLDOWN	(PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_DOWN)
+#define PIN_SLPM_INPUT_PULLUP	(PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_UP)
+#define PIN_SLPM_INPUT_NOPULL	(PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_NONE)
+#define PIN_SLPM_OUTPUT_LOW	(PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_LOW)
+#define PIN_SLPM_OUTPUT_HIGH	(PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_HIGH)
 
-#define PIN_CFG_DEFAULT		(PIN_PULL_NONE | PIN_SLPM_INPUT)
+#define PIN_CFG_DEFAULT		(0)
 
 #define PIN_CFG(num, alt)		\
 	(PIN_CFG_DEFAULT |\
 	 (PIN_NUM(num) | PIN_##alt))
 
+#define PIN_CFG_INPUT(num, alt, pull)		\
+	(PIN_CFG_DEFAULT |\
+	 (PIN_NUM(num) | PIN_##alt | PIN_INPUT_##pull))
+
+#define PIN_CFG_OUTPUT(num, alt, val)		\
+	(PIN_CFG_DEFAULT |\
+	 (PIN_NUM(num) | PIN_##alt | PIN_OUTPUT_##val))
+
 #define PIN_CFG_PULL(num, alt, pull)	\
 	((PIN_CFG_DEFAULT & ~PIN_PULL_MASK) |\
 	 (PIN_NUM(num) | PIN_##alt | PIN_PULL_##pull))
 
-extern int nmk_config_pin(pin_cfg_t cfg);
+extern int nmk_config_pin(pin_cfg_t cfg, bool sleep);
 extern int nmk_config_pins(pin_cfg_t *cfgs, int num);
+extern int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num);
 
 #endif

drivers/gpio/Kconfig

@@ -230,11 +230,11 @@ config GPIO_STMPE
 	  This enables support for the GPIOs found on the STMPE I/O
 	  Expanders.
 
-config GPIO_TC35892
-	bool "TC35892 GPIOs"
-	depends on MFD_TC35892
+config GPIO_TC3589X
+	bool "TC3589X GPIOs"
+	depends on MFD_TC3589X
 	help
-	  This enables support for the GPIOs found on the TC35892
+	  This enables support for the GPIOs found on the TC3589X
 	  I/O Expander.
 
 config GPIO_TWL4030

drivers/gpio/Makefile

@@ -24,7 +24,7 @@ obj-$(CONFIG_GPIO_PCF857X)	+= pcf857x.o
 obj-$(CONFIG_GPIO_PCH)		+= pch_gpio.o
 obj-$(CONFIG_GPIO_PL061)	+= pl061.o
 obj-$(CONFIG_GPIO_STMPE)	+= stmpe-gpio.o
-obj-$(CONFIG_GPIO_TC35892)	+= tc35892-gpio.o
+obj-$(CONFIG_GPIO_TC3589X)	+= tc3589x-gpio.o
 obj-$(CONFIG_GPIO_TIMBERDALE)	+= timbgpio.o
 obj-$(CONFIG_GPIO_TWL4030)	+= twl4030-gpio.o
 obj-$(CONFIG_GPIO_UCB1400)	+= ucb1400_gpio.o

drivers/gpio/tc35892-gpio.c

@@ -1,389 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License, version 2
- * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/mfd/tc35892.h>
-
-/*
- * These registers are modified under the irq bus lock and cached to avoid
- * unnecessary writes in bus_sync_unlock.
- */
-enum { REG_IBE, REG_IEV, REG_IS, REG_IE };
-
-#define CACHE_NR_REGS	4
-#define CACHE_NR_BANKS	3
-
-struct tc35892_gpio {
-	struct gpio_chip chip;
-	struct tc35892 *tc35892;
-	struct device *dev;
-	struct mutex irq_lock;
-
-	int irq_base;
-
-	/* Caches of interrupt control registers for bus_lock */
-	u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
-	u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
-};
-
-static inline struct tc35892_gpio *to_tc35892_gpio(struct gpio_chip *chip)
-{
-	return container_of(chip, struct tc35892_gpio, chip);
-}
-
-static int tc35892_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
-	u8 mask = 1 << (offset % 8);
-	int ret;
-
-	ret = tc35892_reg_read(tc35892, reg);
-	if (ret < 0)
-		return ret;
-
-	return ret & mask;
-}
-
-static void tc35892_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
-{
-	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
-	unsigned pos = offset % 8;
-	u8 data[] = {!!val << pos, 1 << pos};
-
-	tc35892_block_write(tc35892, reg, ARRAY_SIZE(data), data);
-}
-
-static int tc35892_gpio_direction_output(struct gpio_chip *chip,
-					 unsigned offset, int val)
-{
-	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	u8 reg = TC35892_GPIODIR0 + offset / 8;
-	unsigned pos = offset % 8;
-
-	tc35892_gpio_set(chip, offset, val);
-
-	return tc35892_set_bits(tc35892, reg, 1 << pos, 1 << pos);
-}
-
-static int tc35892_gpio_direction_input(struct gpio_chip *chip,
-					unsigned offset)
-{
-	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	u8 reg = TC35892_GPIODIR0 + offset / 8;
-	unsigned pos = offset % 8;
-
-	return tc35892_set_bits(tc35892, reg, 1 << pos, 0);
-}
-
-static int tc35892_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
-	struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-
-	return tc35892_gpio->irq_base + offset;
-}
-
-static struct gpio_chip template_chip = {
-	.label			= "tc35892",
-	.owner			= THIS_MODULE,
-	.direction_input	= tc35892_gpio_direction_input,
-	.get			= tc35892_gpio_get,
-	.direction_output	= tc35892_gpio_direction_output,
-	.set			= tc35892_gpio_set,
-	.to_irq			= tc35892_gpio_to_irq,
-	.can_sleep		= 1,
-};
-
-static int tc35892_gpio_irq_set_type(unsigned int irq, unsigned int type)
-{
-	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-	int offset = irq - tc35892_gpio->irq_base;
-	int regoffset = offset / 8;
-	int mask = 1 << (offset % 8);
-
-	if (type == IRQ_TYPE_EDGE_BOTH) {
-		tc35892_gpio->regs[REG_IBE][regoffset] |= mask;
-		return 0;
-	}
-
-	tc35892_gpio->regs[REG_IBE][regoffset] &= ~mask;
-
-	if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH)
-		tc35892_gpio->regs[REG_IS][regoffset] |= mask;
-	else
-		tc35892_gpio->regs[REG_IS][regoffset] &= ~mask;
-
-	if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
-		tc35892_gpio->regs[REG_IEV][regoffset] |= mask;
-	else
-		tc35892_gpio->regs[REG_IEV][regoffset] &= ~mask;
-
-	return 0;
-}
-
-static void tc35892_gpio_irq_lock(unsigned int irq)
-{
-	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-
-	mutex_lock(&tc35892_gpio->irq_lock);
-}
-
-static void tc35892_gpio_irq_sync_unlock(unsigned int irq)
-{
-	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	static const u8 regmap[] = {
-		[REG_IBE]	= TC35892_GPIOIBE0,
-		[REG_IEV]	= TC35892_GPIOIEV0,
-		[REG_IS]	= TC35892_GPIOIS0,
-		[REG_IE]	= TC35892_GPIOIE0,
-	};
-	int i, j;
-
-	for (i = 0; i < CACHE_NR_REGS; i++) {
-		for (j = 0; j < CACHE_NR_BANKS; j++) {
-			u8 old = tc35892_gpio->oldregs[i][j];
-			u8 new = tc35892_gpio->regs[i][j];
-
-			if (new == old)
-				continue;
-
-			tc35892_gpio->oldregs[i][j] = new;
-			tc35892_reg_write(tc35892, regmap[i] + j * 8, new);
-		}
-	}
-
-	mutex_unlock(&tc35892_gpio->irq_lock);
-}
-
-static void tc35892_gpio_irq_mask(unsigned int irq)
-{
-	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-	int offset = irq - tc35892_gpio->irq_base;
-	int regoffset = offset / 8;
-	int mask = 1 << (offset % 8);
-
-	tc35892_gpio->regs[REG_IE][regoffset] &= ~mask;
-}
-
-static void tc35892_gpio_irq_unmask(unsigned int irq)
-{
-	struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-	int offset = irq - tc35892_gpio->irq_base;
-	int regoffset = offset / 8;
-	int mask = 1 << (offset % 8);
-
-	tc35892_gpio->regs[REG_IE][regoffset] |= mask;
-}
-
-static struct irq_chip tc35892_gpio_irq_chip = {
-	.name			= "tc35892-gpio",
-	.bus_lock		= tc35892_gpio_irq_lock,
-	.bus_sync_unlock	= tc35892_gpio_irq_sync_unlock,
-	.mask			= tc35892_gpio_irq_mask,
-	.unmask			= tc35892_gpio_irq_unmask,
-	.set_type		= tc35892_gpio_irq_set_type,
-};
-
-static irqreturn_t tc35892_gpio_irq(int irq, void *dev)
-{
-	struct tc35892_gpio *tc35892_gpio = dev;
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	u8 status[CACHE_NR_BANKS];
-	int ret;
-	int i;
-
-	ret = tc35892_block_read(tc35892, TC35892_GPIOMIS0,
-				 ARRAY_SIZE(status), status);
-	if (ret < 0)
-		return IRQ_NONE;
-
-	for (i = 0; i < ARRAY_SIZE(status); i++) {
-		unsigned int stat = status[i];
-		if (!stat)
-			continue;
-
-		while (stat) {
-			int bit = __ffs(stat);
-			int line = i * 8 + bit;
-
-			handle_nested_irq(tc35892_gpio->irq_base + line);
-			stat &= ~(1 << bit);
-		}
-
-		tc35892_reg_write(tc35892, TC35892_GPIOIC0 + i, status[i]);
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int tc35892_gpio_irq_init(struct tc35892_gpio *tc35892_gpio)
-{
-	int base = tc35892_gpio->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
-		set_irq_chip_data(irq, tc35892_gpio);
-		set_irq_chip_and_handler(irq, &tc35892_gpio_irq_chip,
-					 handle_simple_irq);
-		set_irq_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, IRQF_VALID);
-#else
-		set_irq_noprobe(irq);
-#endif
-	}
-
-	return 0;
-}
-
-static void tc35892_gpio_irq_remove(struct tc35892_gpio *tc35892_gpio)
-{
-	int base = tc35892_gpio->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, 0);
-#endif
-		set_irq_chip_and_handler(irq, NULL, NULL);
-		set_irq_chip_data(irq, NULL);
-	}
-}
-
-static int __devinit tc35892_gpio_probe(struct platform_device *pdev)
-{
-	struct tc35892 *tc35892 = dev_get_drvdata(pdev->dev.parent);
-	struct tc35892_gpio_platform_data *pdata;
-	struct tc35892_gpio *tc35892_gpio;
-	int ret;
-	int irq;
-
-	pdata = tc35892->pdata->gpio;
-	if (!pdata)
-		return -ENODEV;
-
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0)
-		return irq;
-
-	tc35892_gpio = kzalloc(sizeof(struct tc35892_gpio), GFP_KERNEL);
-	if (!tc35892_gpio)
-		return -ENOMEM;
-
-	mutex_init(&tc35892_gpio->irq_lock);
-
-	tc35892_gpio->dev = &pdev->dev;
-	tc35892_gpio->tc35892 = tc35892;
-
-	tc35892_gpio->chip = template_chip;
-	tc35892_gpio->chip.ngpio = tc35892->num_gpio;
-	tc35892_gpio->chip.dev = &pdev->dev;
-	tc35892_gpio->chip.base = pdata->gpio_base;
-
-	tc35892_gpio->irq_base = tc35892->irq_base + TC35892_INT_GPIO(0);
-
-	/* Bring the GPIO module out of reset */
-	ret = tc35892_set_bits(tc35892, TC35892_RSTCTRL,
-			       TC35892_RSTCTRL_GPIRST, 0);
-	if (ret < 0)
-		goto out_free;
-
-	ret = tc35892_gpio_irq_init(tc35892_gpio);
-	if (ret)
-		goto out_free;
-
-	ret = request_threaded_irq(irq, NULL, tc35892_gpio_irq, IRQF_ONESHOT,
-				   "tc35892-gpio", tc35892_gpio);
-	if (ret) {
-		dev_err(&pdev->dev, "unable to get irq: %d\n", ret);
-		goto out_removeirq;
-	}
-
-	ret = gpiochip_add(&tc35892_gpio->chip);
-	if (ret) {
-		dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
-		goto out_freeirq;
-	}
-
-	if (pdata->setup)
-		pdata->setup(tc35892, tc35892_gpio->chip.base);
-
-	platform_set_drvdata(pdev, tc35892_gpio);
-
-	return 0;
-
-out_freeirq:
-	free_irq(irq, tc35892_gpio);
-out_removeirq:
-	tc35892_gpio_irq_remove(tc35892_gpio);
-out_free:
-	kfree(tc35892_gpio);
-	return ret;
-}
-
-static int __devexit tc35892_gpio_remove(struct platform_device *pdev)
-{
-	struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev);
-	struct tc35892 *tc35892 = tc35892_gpio->tc35892;
-	struct tc35892_gpio_platform_data *pdata = tc35892->pdata->gpio;
-	int irq = platform_get_irq(pdev, 0);
-	int ret;
-
-	if (pdata->remove)
-		pdata->remove(tc35892, tc35892_gpio->chip.base);
-
-	ret = gpiochip_remove(&tc35892_gpio->chip);
-	if (ret < 0) {
-		dev_err(tc35892_gpio->dev,
-			"unable to remove gpiochip: %d\n", ret);
-		return ret;
-	}
-
-	free_irq(irq, tc35892_gpio);
-	tc35892_gpio_irq_remove(tc35892_gpio);
-
-	platform_set_drvdata(pdev, NULL);
-	kfree(tc35892_gpio);
-
-	return 0;
-}
-
-static struct platform_driver tc35892_gpio_driver = {
-	.driver.name	= "tc35892-gpio",
-	.driver.owner	= THIS_MODULE,
-	.probe		= tc35892_gpio_probe,
-	.remove		= __devexit_p(tc35892_gpio_remove),
-};
-
-static int __init tc35892_gpio_init(void)
-{
-	return platform_driver_register(&tc35892_gpio_driver);
-}
-subsys_initcall(tc35892_gpio_init);
-
-static void __exit tc35892_gpio_exit(void)
-{
-	platform_driver_unregister(&tc35892_gpio_driver);
-}
-module_exit(tc35892_gpio_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("TC35892 GPIO driver");
-MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");

drivers/gpio/tc3589x-gpio.c

@@ -0,0 +1,389 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/tc3589x.h>
+
+/*
+ * These registers are modified under the irq bus lock and cached to avoid
+ * unnecessary writes in bus_sync_unlock.
+ */
+enum { REG_IBE, REG_IEV, REG_IS, REG_IE };
+
+#define CACHE_NR_REGS	4
+#define CACHE_NR_BANKS	3
+
+struct tc3589x_gpio {
+	struct gpio_chip chip;
+	struct tc3589x *tc3589x;
+	struct device *dev;
+	struct mutex irq_lock;
+
+	int irq_base;
+
+	/* Caches of interrupt control registers for bus_lock */
+	u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
+	u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
+};
+
+static inline struct tc3589x_gpio *to_tc3589x_gpio(struct gpio_chip *chip)
+{
+	return container_of(chip, struct tc3589x_gpio, chip);
+}
+
+static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2;
+	u8 mask = 1 << (offset % 8);
+	int ret;
+
+	ret = tc3589x_reg_read(tc3589x, reg);
+	if (ret < 0)
+		return ret;
+
+	return ret & mask;
+}
+
+static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
+{
+	struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2;
+	unsigned pos = offset % 8;
+	u8 data[] = {!!val << pos, 1 << pos};
+
+	tc3589x_block_write(tc3589x, reg, ARRAY_SIZE(data), data);
+}
+
+static int tc3589x_gpio_direction_output(struct gpio_chip *chip,
+					 unsigned offset, int val)
+{
+	struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	u8 reg = TC3589x_GPIODIR0 + offset / 8;
+	unsigned pos = offset % 8;
+
+	tc3589x_gpio_set(chip, offset, val);
+
+	return tc3589x_set_bits(tc3589x, reg, 1 << pos, 1 << pos);
+}
+
+static int tc3589x_gpio_direction_input(struct gpio_chip *chip,
+					unsigned offset)
+{
+	struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	u8 reg = TC3589x_GPIODIR0 + offset / 8;
+	unsigned pos = offset % 8;
+
+	return tc3589x_set_bits(tc3589x, reg, 1 << pos, 0);
+}
+
+static int tc3589x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+
+	return tc3589x_gpio->irq_base + offset;
+}
+
+static struct gpio_chip template_chip = {
+	.label			= "tc3589x",
+	.owner			= THIS_MODULE,
+	.direction_input	= tc3589x_gpio_direction_input,
+	.get			= tc3589x_gpio_get,
+	.direction_output	= tc3589x_gpio_direction_output,
+	.set			= tc3589x_gpio_set,
+	.to_irq			= tc3589x_gpio_to_irq,
+	.can_sleep		= 1,
+};
+
+static int tc3589x_gpio_irq_set_type(unsigned int irq, unsigned int type)
+{
+	struct tc3589x_gpio *tc3589x_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc3589x_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	if (type == IRQ_TYPE_EDGE_BOTH) {
+		tc3589x_gpio->regs[REG_IBE][regoffset] |= mask;
+		return 0;
+	}
+
+	tc3589x_gpio->regs[REG_IBE][regoffset] &= ~mask;
+
+	if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH)
+		tc3589x_gpio->regs[REG_IS][regoffset] |= mask;
+	else
+		tc3589x_gpio->regs[REG_IS][regoffset] &= ~mask;
+
+	if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
+		tc3589x_gpio->regs[REG_IEV][regoffset] |= mask;
+	else
+		tc3589x_gpio->regs[REG_IEV][regoffset] &= ~mask;
+
+	return 0;
+}
+
+static void tc3589x_gpio_irq_lock(unsigned int irq)
+{
+	struct tc3589x_gpio *tc3589x_gpio = get_irq_chip_data(irq);
+
+	mutex_lock(&tc3589x_gpio->irq_lock);
+}
+
+static void tc3589x_gpio_irq_sync_unlock(unsigned int irq)
+{
+	struct tc3589x_gpio *tc3589x_gpio = get_irq_chip_data(irq);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	static const u8 regmap[] = {
+		[REG_IBE]	= TC3589x_GPIOIBE0,
+		[REG_IEV]	= TC3589x_GPIOIEV0,
+		[REG_IS]	= TC3589x_GPIOIS0,
+		[REG_IE]	= TC3589x_GPIOIE0,
+	};
+	int i, j;
+
+	for (i = 0; i < CACHE_NR_REGS; i++) {
+		for (j = 0; j < CACHE_NR_BANKS; j++) {
+			u8 old = tc3589x_gpio->oldregs[i][j];
+			u8 new = tc3589x_gpio->regs[i][j];
+
+			if (new == old)
+				continue;
+
+			tc3589x_gpio->oldregs[i][j] = new;
+			tc3589x_reg_write(tc3589x, regmap[i] + j * 8, new);
+		}
+	}
+
+	mutex_unlock(&tc3589x_gpio->irq_lock);
+}
+
+static void tc3589x_gpio_irq_mask(unsigned int irq)
+{
+	struct tc3589x_gpio *tc3589x_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc3589x_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	tc3589x_gpio->regs[REG_IE][regoffset] &= ~mask;
+}
+
+static void tc3589x_gpio_irq_unmask(unsigned int irq)
+{
+	struct tc3589x_gpio *tc3589x_gpio = get_irq_chip_data(irq);
+	int offset = irq - tc3589x_gpio->irq_base;
+	int regoffset = offset / 8;
+	int mask = 1 << (offset % 8);
+
+	tc3589x_gpio->regs[REG_IE][regoffset] |= mask;
+}
+
+static struct irq_chip tc3589x_gpio_irq_chip = {
+	.name			= "tc3589x-gpio",
+	.bus_lock		= tc3589x_gpio_irq_lock,
+	.bus_sync_unlock	= tc3589x_gpio_irq_sync_unlock,
+	.mask			= tc3589x_gpio_irq_mask,
+	.unmask			= tc3589x_gpio_irq_unmask,
+	.set_type		= tc3589x_gpio_irq_set_type,
+};
+
+static irqreturn_t tc3589x_gpio_irq(int irq, void *dev)
+{
+	struct tc3589x_gpio *tc3589x_gpio = dev;
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	u8 status[CACHE_NR_BANKS];
+	int ret;
+	int i;
+
+	ret = tc3589x_block_read(tc3589x, TC3589x_GPIOMIS0,
+				 ARRAY_SIZE(status), status);
+	if (ret < 0)
+		return IRQ_NONE;
+
+	for (i = 0; i < ARRAY_SIZE(status); i++) {
+		unsigned int stat = status[i];
+		if (!stat)
+			continue;
+
+		while (stat) {
+			int bit = __ffs(stat);
+			int line = i * 8 + bit;
+
+			handle_nested_irq(tc3589x_gpio->irq_base + line);
+			stat &= ~(1 << bit);
+		}
+
+		tc3589x_reg_write(tc3589x, TC3589x_GPIOIC0 + i, status[i]);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int tc3589x_gpio_irq_init(struct tc3589x_gpio *tc3589x_gpio)
+{
+	int base = tc3589x_gpio->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + tc3589x_gpio->chip.ngpio; irq++) {
+		set_irq_chip_data(irq, tc3589x_gpio);
+		set_irq_chip_and_handler(irq, &tc3589x_gpio_irq_chip,
+					 handle_simple_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	return 0;
+}
+
+static void tc3589x_gpio_irq_remove(struct tc3589x_gpio *tc3589x_gpio)
+{
+	int base = tc3589x_gpio->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + tc3589x_gpio->chip.ngpio; irq++) {
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, 0);
+#endif
+		set_irq_chip_and_handler(irq, NULL, NULL);
+		set_irq_chip_data(irq, NULL);
+	}
+}
+
+static int __devinit tc3589x_gpio_probe(struct platform_device *pdev)
+{
+	struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
+	struct tc3589x_gpio_platform_data *pdata;
+	struct tc3589x_gpio *tc3589x_gpio;
+	int ret;
+	int irq;
+
+	pdata = tc3589x->pdata->gpio;
+	if (!pdata)
+		return -ENODEV;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	tc3589x_gpio = kzalloc(sizeof(struct tc3589x_gpio), GFP_KERNEL);
+	if (!tc3589x_gpio)
+		return -ENOMEM;
+
+	mutex_init(&tc3589x_gpio->irq_lock);
+
+	tc3589x_gpio->dev = &pdev->dev;
+	tc3589x_gpio->tc3589x = tc3589x;
+
+	tc3589x_gpio->chip = template_chip;
+	tc3589x_gpio->chip.ngpio = tc3589x->num_gpio;
+	tc3589x_gpio->chip.dev = &pdev->dev;
+	tc3589x_gpio->chip.base = pdata->gpio_base;
+
+	tc3589x_gpio->irq_base = tc3589x->irq_base + TC3589x_INT_GPIO(0);
+
+	/* Bring the GPIO module out of reset */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL,
+			       TC3589x_RSTCTRL_GPIRST, 0);
+	if (ret < 0)
+		goto out_free;
+
+	ret = tc3589x_gpio_irq_init(tc3589x_gpio);
+	if (ret)
+		goto out_free;
+
+	ret = request_threaded_irq(irq, NULL, tc3589x_gpio_irq, IRQF_ONESHOT,
+				   "tc3589x-gpio", tc3589x_gpio);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to get irq: %d\n", ret);
+		goto out_removeirq;
+	}
+
+	ret = gpiochip_add(&tc3589x_gpio->chip);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
+		goto out_freeirq;
+	}
+
+	if (pdata->setup)
+		pdata->setup(tc3589x, tc3589x_gpio->chip.base);
+
+	platform_set_drvdata(pdev, tc3589x_gpio);
+
+	return 0;
+
+out_freeirq:
+	free_irq(irq, tc3589x_gpio);
+out_removeirq:
+	tc3589x_gpio_irq_remove(tc3589x_gpio);
+out_free:
+	kfree(tc3589x_gpio);
+	return ret;
+}
+
+static int __devexit tc3589x_gpio_remove(struct platform_device *pdev)
+{
+	struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);
+	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+	struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio;
+	int irq = platform_get_irq(pdev, 0);
+	int ret;
+
+	if (pdata->remove)
+		pdata->remove(tc3589x, tc3589x_gpio->chip.base);
+
+	ret = gpiochip_remove(&tc3589x_gpio->chip);
+	if (ret < 0) {
+		dev_err(tc3589x_gpio->dev,
+			"unable to remove gpiochip: %d\n", ret);
+		return ret;
+	}
+
+	free_irq(irq, tc3589x_gpio);
+	tc3589x_gpio_irq_remove(tc3589x_gpio);
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(tc3589x_gpio);
+
+	return 0;
+}
+
+static struct platform_driver tc3589x_gpio_driver = {
+	.driver.name	= "tc3589x-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= tc3589x_gpio_probe,
+	.remove		= __devexit_p(tc3589x_gpio_remove),
+};
+
+static int __init tc3589x_gpio_init(void)
+{
+	return platform_driver_register(&tc3589x_gpio_driver);
+}
+subsys_initcall(tc3589x_gpio_init);
+
+static void __exit tc3589x_gpio_exit(void)
+{
+	platform_driver_unregister(&tc3589x_gpio_driver);
+}
+module_exit(tc3589x_gpio_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TC3589x GPIO driver");
+MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");

drivers/input/keyboard/Kconfig

@@ -459,6 +459,16 @@ config KEYBOARD_OMAP4
 	  To compile this driver as a module, choose M here: the
 	  module will be called omap4-keypad.
 
+config KEYBOARD_TC3589X
+	tristate "TC3589X Keypad support"
+	depends on MFD_TC3589X
+	help
+	  Say Y here if you want to use the keypad controller on
+	  TC35892/3 I/O expander.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tc3589x-keypad.
+
 config KEYBOARD_TNETV107X
 	tristate "TI TNETV107X keypad support"
 	depends on ARCH_DAVINCI_TNETV107X

drivers/input/keyboard/Makefile

@@ -41,6 +41,7 @@ obj-$(CONFIG_KEYBOARD_SH_KEYSC)		+= sh_keysc.o
 obj-$(CONFIG_KEYBOARD_STMPE)		+= stmpe-keypad.o
 obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
+obj-$(CONFIG_KEYBOARD_TC3589X)		+= tc3589x-keypad.o
 obj-$(CONFIG_KEYBOARD_TNETV107X)	+= tnetv107x-keypad.o
 obj-$(CONFIG_KEYBOARD_TWL4030)		+= twl4030_keypad.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o

drivers/input/keyboard/tc3589x-keypad.c

@@ -0,0 +1,472 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com>
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com>
+ *
+ * License Terms: GNU General Public License, version 2
+ *
+ * TC35893 MFD Keypad Controller driver
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/mfd/tc3589x.h>
+
+/* Maximum supported keypad matrix row/columns size */
+#define TC3589x_MAX_KPROW               8
+#define TC3589x_MAX_KPCOL               12
+
+/* keypad related Constants */
+#define TC3589x_MAX_DEBOUNCE_SETTLE     0xFF
+#define DEDICATED_KEY_VAL		0xFF
+
+/* Pull up/down masks */
+#define TC3589x_NO_PULL_MASK		0x0
+#define TC3589x_PULL_DOWN_MASK		0x1
+#define TC3589x_PULL_UP_MASK		0x2
+#define TC3589x_PULLUP_ALL_MASK		0xAA
+#define TC3589x_IO_PULL_VAL(index, mask)	((mask)<<((index)%4)*2))
+
+/* Bit masks for IOCFG register */
+#define IOCFG_BALLCFG		0x01
+#define IOCFG_IG		0x08
+
+#define KP_EVCODE_COL_MASK	0x0F
+#define KP_EVCODE_ROW_MASK	0x70
+#define KP_RELEASE_EVT_MASK	0x80
+
+#define KP_ROW_SHIFT		4
+
+#define KP_NO_VALID_KEY_MASK	0x7F
+
+/* bit masks for RESTCTRL register */
+#define TC3589x_KBDRST		0x2
+#define TC3589x_IRQRST		0x10
+#define TC3589x_RESET_ALL	0x1B
+
+/* KBDMFS register bit mask */
+#define TC3589x_KBDMFS_EN	0x1
+
+/* CLKEN register bitmask */
+#define KPD_CLK_EN		0x1
+
+/* RSTINTCLR register bit mask */
+#define IRQ_CLEAR		0x1
+
+/* bit masks for keyboard interrupts*/
+#define TC3589x_EVT_LOSS_INT	0x8
+#define TC3589x_EVT_INT		0x4
+#define TC3589x_KBD_LOSS_INT	0x2
+#define TC3589x_KBD_INT		0x1
+
+/* bit masks for keyboard interrupt clear*/
+#define TC3589x_EVT_INT_CLR	0x2
+#define TC3589x_KBD_INT_CLR	0x1
+
+#define TC3589x_KBD_KEYMAP_SIZE     64
+
+/**
+ * struct tc_keypad - data structure used by keypad driver
+ * @input:      pointer to input device object
+ * @board:      keypad platform device
+ * @krow:	number of rows
+ * @kcol:	number of coloumns
+ * @keymap:     matrix scan code table for keycodes
+ */
+struct tc_keypad {
+	struct tc3589x *tc3589x;
+	struct input_dev *input;
+	const struct tc3589x_keypad_platform_data *board;
+	unsigned int krow;
+	unsigned int kcol;
+	unsigned short keymap[TC3589x_KBD_KEYMAP_SIZE];
+	bool keypad_stopped;
+};
+
+static int __devinit tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad)
+{
+	int ret;
+	struct tc3589x *tc3589x = keypad->tc3589x;
+	u8 settle_time = keypad->board->settle_time;
+	u8 dbounce_period = keypad->board->debounce_period;
+	u8 rows = keypad->board->krow & 0xf;	/* mask out the nibble */
+	u8 column = keypad->board->kcol & 0xf;	/* mask out the nibble */
+
+	/* validate platform configurations */
+	if (keypad->board->kcol > TC3589x_MAX_KPCOL ||
+	    keypad->board->krow > TC3589x_MAX_KPROW ||
+	    keypad->board->debounce_period > TC3589x_MAX_DEBOUNCE_SETTLE ||
+	    keypad->board->settle_time > TC3589x_MAX_DEBOUNCE_SETTLE)
+		return -EINVAL;
+
+	/* configure KBDSIZE 4 LSbits for cols and 4 MSbits for rows */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSIZE,
+			(rows << KP_ROW_SHIFT) | column);
+	if (ret < 0)
+		return ret;
+
+	/* configure dedicated key config, no dedicated key selected */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_LSB, DEDICATED_KEY_VAL);
+	if (ret < 0)
+		return ret;
+
+	ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_MSB, DEDICATED_KEY_VAL);
+	if (ret < 0)
+		return ret;
+
+	/* Configure settle time */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, settle_time);
+	if (ret < 0)
+		return ret;
+
+	/* Configure debounce time */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, dbounce_period);
+	if (ret < 0)
+		return ret;
+
+	/* Start of initialise keypad GPIOs */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_IOCFG, 0x0, IOCFG_IG);
+	if (ret < 0)
+		return ret;
+
+	/* Configure pull-up resistors for all row GPIOs */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_LSB,
+					TC3589x_PULLUP_ALL_MASK);
+	if (ret < 0)
+		return ret;
+
+	ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_MSB,
+					TC3589x_PULLUP_ALL_MASK);
+	if (ret < 0)
+		return ret;
+
+	/* Configure pull-up resistors for all column GPIOs */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_LSB,
+			TC3589x_PULLUP_ALL_MASK);
+	if (ret < 0)
+		return ret;
+
+	ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_MSB,
+			TC3589x_PULLUP_ALL_MASK);
+	if (ret < 0)
+		return ret;
+
+	ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG2_LSB,
+			TC3589x_PULLUP_ALL_MASK);
+
+	return ret;
+}
+
+#define TC35893_DATA_REGS		4
+#define TC35893_KEYCODE_FIFO_EMPTY	0x7f
+#define TC35893_KEYCODE_FIFO_CLEAR	0xff
+#define TC35893_KEYPAD_ROW_SHIFT	0x3
+
+static irqreturn_t tc3589x_keypad_irq(int irq, void *dev)
+{
+	struct tc_keypad *keypad = dev;
+	struct tc3589x *tc3589x = keypad->tc3589x;
+	u8 i, row_index, col_index, kbd_code, up;
+	u8 code;
+
+	for (i = 0; i < TC35893_DATA_REGS * 2; i++) {
+		kbd_code = tc3589x_reg_read(tc3589x, TC3589x_EVTCODE_FIFO);
+
+		/* loop till fifo is empty and no more keys are pressed */
+		if (kbd_code == TC35893_KEYCODE_FIFO_EMPTY ||
+				kbd_code == TC35893_KEYCODE_FIFO_CLEAR)
+			continue;
+
+		/* valid key is found */
+		col_index = kbd_code & KP_EVCODE_COL_MASK;
+		row_index = (kbd_code & KP_EVCODE_ROW_MASK) >> KP_ROW_SHIFT;
+		code = MATRIX_SCAN_CODE(row_index, col_index,
+						TC35893_KEYPAD_ROW_SHIFT);
+		up = kbd_code & KP_RELEASE_EVT_MASK;
+
+		input_event(keypad->input, EV_MSC, MSC_SCAN, code);
+		input_report_key(keypad->input, keypad->keymap[code], !up);
+		input_sync(keypad->input);
+	}
+
+	/* clear IRQ */
+	tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
+			0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
+	/* enable IRQ */
+	tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
+			0x0, TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
+
+	return IRQ_HANDLED;
+}
+
+static int tc3589x_keypad_enable(struct tc_keypad *keypad)
+{
+	struct tc3589x *tc3589x = keypad->tc3589x;
+	int ret;
+
+	/* pull the keypad module out of reset */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x0);
+	if (ret < 0)
+		return ret;
+
+	/* configure KBDMFS */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMFS, 0x0, TC3589x_KBDMFS_EN);
+	if (ret < 0)
+		return ret;
+
+	/* enable the keypad clock */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x0, KPD_CLK_EN);
+	if (ret < 0)
+		return ret;
+
+	/* clear pending IRQs */
+	ret =  tc3589x_set_bits(tc3589x, TC3589x_RSTINTCLR, 0x0, 0x1);
+	if (ret < 0)
+		return ret;
+
+	/* enable the IRQs */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, 0x0,
+					TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
+	if (ret < 0)
+		return ret;
+
+	keypad->keypad_stopped = false;
+
+	return ret;
+}
+
+static int tc3589x_keypad_disable(struct tc_keypad *keypad)
+{
+	struct tc3589x *tc3589x = keypad->tc3589x;
+	int ret;
+
+	/* clear IRQ */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
+			0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
+	if (ret < 0)
+		return ret;
+
+	/* disable all interrupts */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
+			~(TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT), 0x0);
+	if (ret < 0)
+		return ret;
+
+	/* disable the keypad module */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x1, 0x0);
+	if (ret < 0)
+		return ret;
+
+	/* put the keypad module into reset */
+	ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x1);
+
+	keypad->keypad_stopped = true;
+
+	return ret;
+}
+
+static int tc3589x_keypad_open(struct input_dev *input)
+{
+	int error;
+	struct tc_keypad *keypad = input_get_drvdata(input);
+
+	/* enable the keypad module */
+	error = tc3589x_keypad_enable(keypad);
+	if (error < 0) {
+		dev_err(&input->dev, "failed to enable keypad module\n");
+		return error;
+	}
+
+	error = tc3589x_keypad_init_key_hardware(keypad);
+	if (error < 0) {
+		dev_err(&input->dev, "failed to configure keypad module\n");
+		return error;
+	}
+
+	return 0;
+}
+
+static void tc3589x_keypad_close(struct input_dev *input)
+{
+	struct tc_keypad *keypad = input_get_drvdata(input);
+
+	/* disable the keypad module */
+	tc3589x_keypad_disable(keypad);
+}
+
+static int __devinit tc3589x_keypad_probe(struct platform_device *pdev)
+{
+	struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
+	struct tc_keypad *keypad;
+	struct input_dev *input;
+	const struct tc3589x_keypad_platform_data *plat;
+	int error, irq;
+
+	plat = tc3589x->pdata->keypad;
+	if (!plat) {
+		dev_err(&pdev->dev, "invalid keypad platform data\n");
+		return -EINVAL;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	keypad = kzalloc(sizeof(struct tc_keypad), GFP_KERNEL);
+	input = input_allocate_device();
+	if (!keypad || !input) {
+		dev_err(&pdev->dev, "failed to allocate keypad memory\n");
+		error = -ENOMEM;
+		goto err_free_mem;
+	}
+
+	keypad->board = plat;
+	keypad->input = input;
+	keypad->tc3589x = tc3589x;
+
+	input->id.bustype = BUS_I2C;
+	input->name = pdev->name;
+	input->dev.parent = &pdev->dev;
+
+	input->keycode = keypad->keymap;
+	input->keycodesize = sizeof(keypad->keymap[0]);
+	input->keycodemax = ARRAY_SIZE(keypad->keymap);
+
+	input->open = tc3589x_keypad_open;
+	input->close = tc3589x_keypad_close;
+
+	input_set_drvdata(input, keypad);
+
+	input_set_capability(input, EV_MSC, MSC_SCAN);
+
+	__set_bit(EV_KEY, input->evbit);
+	if (!plat->no_autorepeat)
+		__set_bit(EV_REP, input->evbit);
+
+	matrix_keypad_build_keymap(plat->keymap_data, 0x3,
+			input->keycode, input->keybit);
+
+	error = request_threaded_irq(irq, NULL,
+			tc3589x_keypad_irq, plat->irqtype,
+			"tc3589x-keypad", keypad);
+	if (error < 0) {
+		dev_err(&pdev->dev,
+				"Could not allocate irq %d,error %d\n",
+				irq, error);
+		goto err_free_mem;
+	}
+
+	error = input_register_device(input);
+	if (error) {
+		dev_err(&pdev->dev, "Could not register input device\n");
+		goto err_free_irq;
+	}
+
+	/* let platform decide if keypad is a wakeup source or not */
+	device_init_wakeup(&pdev->dev, plat->enable_wakeup);
+	device_set_wakeup_capable(&pdev->dev, plat->enable_wakeup);
+
+	platform_set_drvdata(pdev, keypad);
+
+	return 0;
+
+err_free_irq:
+	free_irq(irq, keypad);
+err_free_mem:
+	input_free_device(input);
+	kfree(keypad);
+	return error;
+}
+
+static int __devexit tc3589x_keypad_remove(struct platform_device *pdev)
+{
+	struct tc_keypad *keypad = platform_get_drvdata(pdev);
+	int irq = platform_get_irq(pdev, 0);
+
+	if (!keypad->keypad_stopped)
+		tc3589x_keypad_disable(keypad);
+
+	free_irq(irq, keypad);
+
+	input_unregister_device(keypad->input);
+
+	kfree(keypad);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int tc3589x_keypad_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct tc_keypad *keypad = platform_get_drvdata(pdev);
+	int irq = platform_get_irq(pdev, 0);
+
+	/* keypad is already off; we do nothing */
+	if (keypad->keypad_stopped)
+		return 0;
+
+	/* if device is not a wakeup source, disable it for powersave */
+	if (!device_may_wakeup(&pdev->dev))
+		tc3589x_keypad_disable(keypad);
+	else
+		enable_irq_wake(irq);
+
+	return 0;
+}
+
+static int tc3589x_keypad_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct tc_keypad *keypad = platform_get_drvdata(pdev);
+	int irq = platform_get_irq(pdev, 0);
+
+	if (!keypad->keypad_stopped)
+		return 0;
+
+	/* enable the device to resume normal operations */
+	if (!device_may_wakeup(&pdev->dev))
+		tc3589x_keypad_enable(keypad);
+	else
+		disable_irq_wake(irq);
+
+	return 0;
+}
+
+static const SIMPLE_DEV_PM_OPS(tc3589x_keypad_dev_pm_ops,
+			       tc3589x_keypad_suspend, tc3589x_keypad_resume);
+#endif
+
+static struct platform_driver tc3589x_keypad_driver = {
+	.driver.name  = "tc3589x-keypad",
+	.driver.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+	.driver.pm = &tc3589x_keypad_dev_pm_ops,
+#endif
+	.probe = tc3589x_keypad_probe,
+	.remove = __devexit_p(tc3589x_keypad_remove),
+};
+
+static int __init tc3589x_keypad_init(void)
+{
+	return platform_driver_register(&tc3589x_keypad_driver);
+}
+module_init(tc3589x_keypad_init);
+
+static void __exit tc3589x_keypad_exit(void)
+{
+	return platform_driver_unregister(&tc3589x_keypad_driver);
+}
+module_exit(tc3589x_keypad_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Jayeeta Banerjee/Sundar Iyer");
+MODULE_DESCRIPTION("TC35893 Keypad Driver");
+MODULE_ALIAS("platform:tc3589x-keypad")

drivers/mfd/Kconfig

@@ -218,12 +218,12 @@ config MFD_STMPE
 		Keypad: stmpe-keypad
 		Touchscreen: stmpe-ts
 
-config MFD_TC35892
-	bool "Support Toshiba TC35892"
+config MFD_TC3589X
+	bool "Support Toshiba TC35892 and variants"
 	depends on I2C=y && GENERIC_HARDIRQS
 	select MFD_CORE
 	help
-	  Support for the Toshiba TC35892 I/O Expander.
+	  Support for the Toshiba TC35892 and variants I/O Expander.
 
 	  This driver provides common support for accessing the device,
 	  additional drivers must be enabled in order to use the

drivers/mfd/Makefile

@@ -16,7 +16,7 @@ obj-$(CONFIG_MFD_DAVINCI_VOICECODEC)	+= davinci_voicecodec.o
 obj-$(CONFIG_MFD_DM355EVM_MSP)	+= dm355evm_msp.o
 
 obj-$(CONFIG_MFD_STMPE)		+= stmpe.o
-obj-$(CONFIG_MFD_TC35892)	+= tc35892.o
+obj-$(CONFIG_MFD_TC3589X)	+= tc3589x.o
 obj-$(CONFIG_MFD_T7L66XB)	+= t7l66xb.o tmio_core.o
 obj-$(CONFIG_MFD_TC6387XB)	+= tc6387xb.o tmio_core.o
 obj-$(CONFIG_MFD_TC6393XB)	+= tc6393xb.o tmio_core.o

drivers/mfd/tc35892.c

@@ -1,345 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License, version 2
- * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/tc35892.h>
-
-/**
- * tc35892_reg_read() - read a single TC35892 register
- * @tc35892:	Device to read from
- * @reg:	Register to read
- */
-int tc35892_reg_read(struct tc35892 *tc35892, u8 reg)
-{
-	int ret;
-
-	ret = i2c_smbus_read_byte_data(tc35892->i2c, reg);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to read reg %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_reg_read);
-
-/**
- * tc35892_reg_read() - write a single TC35892 register
- * @tc35892:	Device to write to
- * @reg:	Register to read
- * @data:	Value to write
- */
-int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data)
-{
-	int ret;
-
-	ret = i2c_smbus_write_byte_data(tc35892->i2c, reg, data);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to write reg %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_reg_write);
-
-/**
- * tc35892_block_read() - read multiple TC35892 registers
- * @tc35892:	Device to read from
- * @reg:	First register
- * @length:	Number of registers
- * @values:	Buffer to write to
- */
-int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length, u8 *values)
-{
-	int ret;
-
-	ret = i2c_smbus_read_i2c_block_data(tc35892->i2c, reg, length, values);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to read regs %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_block_read);
-
-/**
- * tc35892_block_write() - write multiple TC35892 registers
- * @tc35892:	Device to write to
- * @reg:	First register
- * @length:	Number of registers
- * @values:	Values to write
- */
-int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
-			const u8 *values)
-{
-	int ret;
-
-	ret = i2c_smbus_write_i2c_block_data(tc35892->i2c, reg, length,
-					     values);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to write regs %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_block_write);
-
-/**
- * tc35892_set_bits() - set the value of a bitfield in a TC35892 register
- * @tc35892:	Device to write to
- * @reg:	Register to write
- * @mask:	Mask of bits to set
- * @values:	Value to set
- */
-int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val)
-{
-	int ret;
-
-	mutex_lock(&tc35892->lock);
-
-	ret = tc35892_reg_read(tc35892, reg);
-	if (ret < 0)
-		goto out;
-
-	ret &= ~mask;
-	ret |= val;
-
-	ret = tc35892_reg_write(tc35892, reg, ret);
-
-out:
-	mutex_unlock(&tc35892->lock);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_set_bits);
-
-static struct resource gpio_resources[] = {
-	{
-		.start	= TC35892_INT_GPIIRQ,
-		.end	= TC35892_INT_GPIIRQ,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct mfd_cell tc35892_devs[] = {
-	{
-		.name		= "tc35892-gpio",
-		.num_resources	= ARRAY_SIZE(gpio_resources),
-		.resources	= &gpio_resources[0],
-	},
-};
-
-static irqreturn_t tc35892_irq(int irq, void *data)
-{
-	struct tc35892 *tc35892 = data;
-	int status;
-
-	status = tc35892_reg_read(tc35892, TC35892_IRQST);
-	if (status < 0)
-		return IRQ_NONE;
-
-	while (status) {
-		int bit = __ffs(status);
-
-		handle_nested_irq(tc35892->irq_base + bit);
-		status &= ~(1 << bit);
-	}
-
-	/*
-	 * A dummy read or write (to any register) appears to be necessary to
-	 * have the last interrupt clear (for example, GPIO IC write) take
-	 * effect.
-	 */
-	tc35892_reg_read(tc35892, TC35892_IRQST);
-
-	return IRQ_HANDLED;
-}
-
-static void tc35892_irq_dummy(unsigned int irq)
-{
-	/* No mask/unmask at this level */
-}
-
-static struct irq_chip tc35892_irq_chip = {
-	.name	= "tc35892",
-	.mask	= tc35892_irq_dummy,
-	.unmask	= tc35892_irq_dummy,
-};
-
-static int tc35892_irq_init(struct tc35892 *tc35892)
-{
-	int base = tc35892->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
-		set_irq_chip_data(irq, tc35892);
-		set_irq_chip_and_handler(irq, &tc35892_irq_chip,
-					 handle_edge_irq);
-		set_irq_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, IRQF_VALID);
-#else
-		set_irq_noprobe(irq);
-#endif
-	}
-
-	return 0;
-}
-
-static void tc35892_irq_remove(struct tc35892 *tc35892)
-{
-	int base = tc35892->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, 0);
-#endif
-		set_irq_chip_and_handler(irq, NULL, NULL);
-		set_irq_chip_data(irq, NULL);
-	}
-}
-
-static int tc35892_chip_init(struct tc35892 *tc35892)
-{
-	int manf, ver, ret;
-
-	manf = tc35892_reg_read(tc35892, TC35892_MANFCODE);
-	if (manf < 0)
-		return manf;
-
-	ver = tc35892_reg_read(tc35892, TC35892_VERSION);
-	if (ver < 0)
-		return ver;
-
-	if (manf != TC35892_MANFCODE_MAGIC) {
-		dev_err(tc35892->dev, "unknown manufacturer: %#x\n", manf);
-		return -EINVAL;
-	}
-
-	dev_info(tc35892->dev, "manufacturer: %#x, version: %#x\n", manf, ver);
-
-	/* Put everything except the IRQ module into reset */
-	ret = tc35892_reg_write(tc35892, TC35892_RSTCTRL,
-				TC35892_RSTCTRL_TIMRST
-				| TC35892_RSTCTRL_ROTRST
-				| TC35892_RSTCTRL_KBDRST
-				| TC35892_RSTCTRL_GPIRST);
-	if (ret < 0)
-		return ret;
-
-	/* Clear the reset interrupt. */
-	return tc35892_reg_write(tc35892, TC35892_RSTINTCLR, 0x1);
-}
-
-static int __devinit tc35892_probe(struct i2c_client *i2c,
-				   const struct i2c_device_id *id)
-{
-	struct tc35892_platform_data *pdata = i2c->dev.platform_data;
-	struct tc35892 *tc35892;
-	int ret;
-
-	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA
-				     | I2C_FUNC_SMBUS_I2C_BLOCK))
-		return -EIO;
-
-	tc35892 = kzalloc(sizeof(struct tc35892), GFP_KERNEL);
-	if (!tc35892)
-		return -ENOMEM;
-
-	mutex_init(&tc35892->lock);
-
-	tc35892->dev = &i2c->dev;
-	tc35892->i2c = i2c;
-	tc35892->pdata = pdata;
-	tc35892->irq_base = pdata->irq_base;
-	tc35892->num_gpio = id->driver_data;
-
-	i2c_set_clientdata(i2c, tc35892);
-
-	ret = tc35892_chip_init(tc35892);
-	if (ret)
-		goto out_free;
-
-	ret = tc35892_irq_init(tc35892);
-	if (ret)
-		goto out_free;
-
-	ret = request_threaded_irq(tc35892->i2c->irq, NULL, tc35892_irq,
-				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				   "tc35892", tc35892);
-	if (ret) {
-		dev_err(tc35892->dev, "failed to request IRQ: %d\n", ret);
-		goto out_removeirq;
-	}
-
-	ret = mfd_add_devices(tc35892->dev, -1, tc35892_devs,
-			      ARRAY_SIZE(tc35892_devs), NULL,
-			      tc35892->irq_base);
-	if (ret) {
-		dev_err(tc35892->dev, "failed to add children\n");
-		goto out_freeirq;
-	}
-
-	return 0;
-
-out_freeirq:
-	free_irq(tc35892->i2c->irq, tc35892);
-out_removeirq:
-	tc35892_irq_remove(tc35892);
-out_free:
-	kfree(tc35892);
-	return ret;
-}
-
-static int __devexit tc35892_remove(struct i2c_client *client)
-{
-	struct tc35892 *tc35892 = i2c_get_clientdata(client);
-
-	mfd_remove_devices(tc35892->dev);
-
-	free_irq(tc35892->i2c->irq, tc35892);
-	tc35892_irq_remove(tc35892);
-
-	kfree(tc35892);
-
-	return 0;
-}
-
-static const struct i2c_device_id tc35892_id[] = {
-	{ "tc35892", 24 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, tc35892_id);
-
-static struct i2c_driver tc35892_driver = {
-	.driver.name	= "tc35892",
-	.driver.owner	= THIS_MODULE,
-	.probe		= tc35892_probe,
-	.remove		= __devexit_p(tc35892_remove),
-	.id_table	= tc35892_id,
-};
-
-static int __init tc35892_init(void)
-{
-	return i2c_add_driver(&tc35892_driver);
-}
-subsys_initcall(tc35892_init);
-
-static void __exit tc35892_exit(void)
-{
-	i2c_del_driver(&tc35892_driver);
-}
-module_exit(tc35892_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("TC35892 MFD core driver");
-MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");

drivers/mfd/tc3589x.c

@@ -0,0 +1,422 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tc3589x.h>
+
+#define TC3589x_CLKMODE_MODCTL_SLEEP		0x0
+#define TC3589x_CLKMODE_MODCTL_OPERATION	(1 << 0)
+
+/**
+ * tc3589x_reg_read() - read a single TC3589x register
+ * @tc3589x:	Device to read from
+ * @reg:	Register to read
+ */
+int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(tc3589x->i2c, reg);
+	if (ret < 0)
+		dev_err(tc3589x->dev, "failed to read reg %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc3589x_reg_read);
+
+/**
+ * tc3589x_reg_read() - write a single TC3589x register
+ * @tc3589x:	Device to write to
+ * @reg:	Register to read
+ * @data:	Value to write
+ */
+int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data)
+{
+	int ret;
+
+	ret = i2c_smbus_write_byte_data(tc3589x->i2c, reg, data);
+	if (ret < 0)
+		dev_err(tc3589x->dev, "failed to write reg %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc3589x_reg_write);
+
+/**
+ * tc3589x_block_read() - read multiple TC3589x registers
+ * @tc3589x:	Device to read from
+ * @reg:	First register
+ * @length:	Number of registers
+ * @values:	Buffer to write to
+ */
+int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length, u8 *values)
+{
+	int ret;
+
+	ret = i2c_smbus_read_i2c_block_data(tc3589x->i2c, reg, length, values);
+	if (ret < 0)
+		dev_err(tc3589x->dev, "failed to read regs %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc3589x_block_read);
+
+/**
+ * tc3589x_block_write() - write multiple TC3589x registers
+ * @tc3589x:	Device to write to
+ * @reg:	First register
+ * @length:	Number of registers
+ * @values:	Values to write
+ */
+int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
+			const u8 *values)
+{
+	int ret;
+
+	ret = i2c_smbus_write_i2c_block_data(tc3589x->i2c, reg, length,
+					     values);
+	if (ret < 0)
+		dev_err(tc3589x->dev, "failed to write regs %#x: %d\n",
+			reg, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc3589x_block_write);
+
+/**
+ * tc3589x_set_bits() - set the value of a bitfield in a TC3589x register
+ * @tc3589x:	Device to write to
+ * @reg:	Register to write
+ * @mask:	Mask of bits to set
+ * @values:	Value to set
+ */
+int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val)
+{
+	int ret;
+
+	mutex_lock(&tc3589x->lock);
+
+	ret = tc3589x_reg_read(tc3589x, reg);
+	if (ret < 0)
+		goto out;
+
+	ret &= ~mask;
+	ret |= val;
+
+	ret = tc3589x_reg_write(tc3589x, reg, ret);
+
+out:
+	mutex_unlock(&tc3589x->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tc3589x_set_bits);
+
+static struct resource gpio_resources[] = {
+	{
+		.start	= TC3589x_INT_GPIIRQ,
+		.end	= TC3589x_INT_GPIIRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource keypad_resources[] = {
+	{
+		.start  = TC3589x_INT_KBDIRQ,
+		.end    = TC3589x_INT_KBDIRQ,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell tc3589x_dev_gpio[] = {
+	{
+		.name		= "tc3589x-gpio",
+		.num_resources	= ARRAY_SIZE(gpio_resources),
+		.resources	= &gpio_resources[0],
+	},
+};
+
+static struct mfd_cell tc3589x_dev_keypad[] = {
+	{
+		.name           = "tc3589x-keypad",
+		.num_resources  = ARRAY_SIZE(keypad_resources),
+		.resources      = &keypad_resources[0],
+	},
+};
+
+static irqreturn_t tc3589x_irq(int irq, void *data)
+{
+	struct tc3589x *tc3589x = data;
+	int status;
+
+again:
+	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+	if (status < 0)
+		return IRQ_NONE;
+
+	while (status) {
+		int bit = __ffs(status);
+
+		handle_nested_irq(tc3589x->irq_base + bit);
+		status &= ~(1 << bit);
+	}
+
+	/*
+	 * A dummy read or write (to any register) appears to be necessary to
+	 * have the last interrupt clear (for example, GPIO IC write) take
+	 * effect. In such a case, recheck for any interrupt which is still
+	 * pending.
+	 */
+	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+	if (status)
+		goto again;
+
+	return IRQ_HANDLED;
+}
+
+static int tc3589x_irq_init(struct tc3589x *tc3589x)
+{
+	int base = tc3589x->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + TC3589x_NR_INTERNAL_IRQS; irq++) {
+		set_irq_chip_data(irq, tc3589x);
+		set_irq_chip_and_handler(irq, &dummy_irq_chip,
+					 handle_edge_irq);
+		set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID);
+#else
+		set_irq_noprobe(irq);
+#endif
+	}
+
+	return 0;
+}
+
+static void tc3589x_irq_remove(struct tc3589x *tc3589x)
+{
+	int base = tc3589x->irq_base;
+	int irq;
+
+	for (irq = base; irq < base + TC3589x_NR_INTERNAL_IRQS; irq++) {
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, 0);
+#endif
+		set_irq_chip_and_handler(irq, NULL, NULL);
+		set_irq_chip_data(irq, NULL);
+	}
+}
+
+static int tc3589x_chip_init(struct tc3589x *tc3589x)
+{
+	int manf, ver, ret;
+
+	manf = tc3589x_reg_read(tc3589x, TC3589x_MANFCODE);
+	if (manf < 0)
+		return manf;
+
+	ver = tc3589x_reg_read(tc3589x, TC3589x_VERSION);
+	if (ver < 0)
+		return ver;
+
+	if (manf != TC3589x_MANFCODE_MAGIC) {
+		dev_err(tc3589x->dev, "unknown manufacturer: %#x\n", manf);
+		return -EINVAL;
+	}
+
+	dev_info(tc3589x->dev, "manufacturer: %#x, version: %#x\n", manf, ver);
+
+	/*
+	 * Put everything except the IRQ module into reset;
+	 * also spare the GPIO module for any pin initialization
+	 * done during pre-kernel boot
+	 */
+	ret = tc3589x_reg_write(tc3589x, TC3589x_RSTCTRL,
+				TC3589x_RSTCTRL_TIMRST
+				| TC3589x_RSTCTRL_ROTRST
+				| TC3589x_RSTCTRL_KBDRST);
+	if (ret < 0)
+		return ret;
+
+	/* Clear the reset interrupt. */
+	return tc3589x_reg_write(tc3589x, TC3589x_RSTINTCLR, 0x1);
+}
+
+static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
+{
+	int ret = 0;
+	unsigned int blocks = tc3589x->pdata->block;
+
+	if (blocks & TC3589x_BLOCK_GPIO) {
+		ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_gpio,
+				ARRAY_SIZE(tc3589x_dev_gpio), NULL,
+				tc3589x->irq_base);
+		if (ret) {
+			dev_err(tc3589x->dev, "failed to add gpio child\n");
+			return ret;
+		}
+		dev_info(tc3589x->dev, "added gpio block\n");
+	}
+
+	if (blocks & TC3589x_BLOCK_KEYPAD) {
+		ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad,
+				ARRAY_SIZE(tc3589x_dev_keypad), NULL,
+				tc3589x->irq_base);
+		if (ret) {
+			dev_err(tc3589x->dev, "failed to keypad child\n");
+			return ret;
+		}
+		dev_info(tc3589x->dev, "added keypad block\n");
+	}
+
+	return ret;
+}
+
+static int __devinit tc3589x_probe(struct i2c_client *i2c,
+				   const struct i2c_device_id *id)
+{
+	struct tc3589x_platform_data *pdata = i2c->dev.platform_data;
+	struct tc3589x *tc3589x;
+	int ret;
+
+	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA
+				     | I2C_FUNC_SMBUS_I2C_BLOCK))
+		return -EIO;
+
+	tc3589x = kzalloc(sizeof(struct tc3589x), GFP_KERNEL);
+	if (!tc3589x)
+		return -ENOMEM;
+
+	mutex_init(&tc3589x->lock);
+
+	tc3589x->dev = &i2c->dev;
+	tc3589x->i2c = i2c;
+	tc3589x->pdata = pdata;
+	tc3589x->irq_base = pdata->irq_base;
+	tc3589x->num_gpio = id->driver_data;
+
+	i2c_set_clientdata(i2c, tc3589x);
+
+	ret = tc3589x_chip_init(tc3589x);
+	if (ret)
+		goto out_free;
+
+	ret = tc3589x_irq_init(tc3589x);
+	if (ret)
+		goto out_free;
+
+	ret = request_threaded_irq(tc3589x->i2c->irq, NULL, tc3589x_irq,
+				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				   "tc3589x", tc3589x);
+	if (ret) {
+		dev_err(tc3589x->dev, "failed to request IRQ: %d\n", ret);
+		goto out_removeirq;
+	}
+
+	ret = tc3589x_device_init(tc3589x);
+	if (ret) {
+		dev_err(tc3589x->dev, "failed to add child devices\n");
+		goto out_freeirq;
+	}
+
+	return 0;
+
+out_freeirq:
+	free_irq(tc3589x->i2c->irq, tc3589x);
+out_removeirq:
+	tc3589x_irq_remove(tc3589x);
+out_free:
+	kfree(tc3589x);
+	return ret;
+}
+
+static int __devexit tc3589x_remove(struct i2c_client *client)
+{
+	struct tc3589x *tc3589x = i2c_get_clientdata(client);
+
+	mfd_remove_devices(tc3589x->dev);
+
+	free_irq(tc3589x->i2c->irq, tc3589x);
+	tc3589x_irq_remove(tc3589x);
+
+	kfree(tc3589x);
+
+	return 0;
+}
+
+static int tc3589x_suspend(struct device *dev)
+{
+	struct tc3589x *tc3589x = dev_get_drvdata(dev);
+	struct i2c_client *client = tc3589x->i2c;
+	int ret = 0;
+
+	/* put the system to sleep mode */
+	if (!device_may_wakeup(&client->dev))
+		ret = tc3589x_reg_write(tc3589x, TC3589x_CLKMODE,
+				TC3589x_CLKMODE_MODCTL_SLEEP);
+
+	return ret;
+}
+
+static int tc3589x_resume(struct device *dev)
+{
+	struct tc3589x *tc3589x = dev_get_drvdata(dev);
+	struct i2c_client *client = tc3589x->i2c;
+	int ret = 0;
+
+	/* enable the system into operation */
+	if (!device_may_wakeup(&client->dev))
+		ret = tc3589x_reg_write(tc3589x, TC3589x_CLKMODE,
+				TC3589x_CLKMODE_MODCTL_OPERATION);
+
+	return ret;
+}
+
+static const SIMPLE_DEV_PM_OPS(tc3589x_dev_pm_ops, tc3589x_suspend,
+						tc3589x_resume);
+
+static const struct i2c_device_id tc3589x_id[] = {
+	{ "tc3589x", 24 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, tc3589x_id);
+
+static struct i2c_driver tc3589x_driver = {
+	.driver.name	= "tc3589x",
+	.driver.owner	= THIS_MODULE,
+#ifdef CONFIG_PM
+	.driver.pm	= &tc3589x_dev_pm_ops,
+#endif
+	.probe		= tc3589x_probe,
+	.remove		= __devexit_p(tc3589x_remove),
+	.id_table	= tc3589x_id,
+};
+
+static int __init tc3589x_init(void)
+{
+	return i2c_add_driver(&tc3589x_driver);
+}
+subsys_initcall(tc3589x_init);
+
+static void __exit tc3589x_exit(void)
+{
+	i2c_del_driver(&tc3589x_driver);
+}
+module_exit(tc3589x_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TC3589x MFD core driver");
+MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");

drivers/net/caif/caif_shm_u5500.c

@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
-#include <mach/mbox.h>
+#include <mach/mbox-db5500.h>
 #include <net/caif/caif_shm.h>
 
 MODULE_LICENSE("GPL");

include/linux/mfd/tc35892.h

@@ -1,136 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License, version 2
- */
-
-#ifndef __LINUX_MFD_TC35892_H
-#define __LINUX_MFD_TC35892_H
-
-#include <linux/device.h>
-
-#define TC35892_RSTCTRL_IRQRST	(1 << 4)
-#define TC35892_RSTCTRL_TIMRST	(1 << 3)
-#define TC35892_RSTCTRL_ROTRST	(1 << 2)
-#define TC35892_RSTCTRL_KBDRST	(1 << 1)
-#define TC35892_RSTCTRL_GPIRST	(1 << 0)
-
-#define TC35892_IRQST		0x91
-
-#define TC35892_MANFCODE_MAGIC	0x03
-#define TC35892_MANFCODE	0x80
-#define TC35892_VERSION		0x81
-#define TC35892_IOCFG		0xA7
-
-#define TC35892_CLKMODE		0x88
-#define TC35892_CLKCFG		0x89
-#define TC35892_CLKEN		0x8A
-
-#define TC35892_RSTCTRL		0x82
-#define TC35892_EXTRSTN		0x83
-#define TC35892_RSTINTCLR	0x84
-
-#define TC35892_GPIOIS0		0xC9
-#define TC35892_GPIOIS1		0xCA
-#define TC35892_GPIOIS2		0xCB
-#define TC35892_GPIOIBE0	0xCC
-#define TC35892_GPIOIBE1	0xCD
-#define TC35892_GPIOIBE2	0xCE
-#define TC35892_GPIOIEV0	0xCF
-#define TC35892_GPIOIEV1	0xD0
-#define TC35892_GPIOIEV2	0xD1
-#define TC35892_GPIOIE0		0xD2
-#define TC35892_GPIOIE1		0xD3
-#define TC35892_GPIOIE2		0xD4
-#define TC35892_GPIORIS0	0xD6
-#define TC35892_GPIORIS1	0xD7
-#define TC35892_GPIORIS2	0xD8
-#define TC35892_GPIOMIS0	0xD9
-#define TC35892_GPIOMIS1	0xDA
-#define TC35892_GPIOMIS2	0xDB
-#define TC35892_GPIOIC0		0xDC
-#define TC35892_GPIOIC1		0xDD
-#define TC35892_GPIOIC2		0xDE
-
-#define TC35892_GPIODATA0	0xC0
-#define TC35892_GPIOMASK0	0xc1
-#define TC35892_GPIODATA1	0xC2
-#define TC35892_GPIOMASK1	0xc3
-#define TC35892_GPIODATA2	0xC4
-#define TC35892_GPIOMASK2	0xC5
-
-#define TC35892_GPIODIR0	0xC6
-#define TC35892_GPIODIR1	0xC7
-#define TC35892_GPIODIR2	0xC8
-
-#define TC35892_GPIOSYNC0	0xE6
-#define TC35892_GPIOSYNC1	0xE7
-#define TC35892_GPIOSYNC2	0xE8
-
-#define TC35892_GPIOWAKE0	0xE9
-#define TC35892_GPIOWAKE1	0xEA
-#define TC35892_GPIOWAKE2	0xEB
-
-#define TC35892_GPIOODM0	0xE0
-#define TC35892_GPIOODE0	0xE1
-#define TC35892_GPIOODM1	0xE2
-#define TC35892_GPIOODE1	0xE3
-#define TC35892_GPIOODM2	0xE4
-#define TC35892_GPIOODE2	0xE5
-
-#define TC35892_INT_GPIIRQ	0
-#define TC35892_INT_TI0IRQ	1
-#define TC35892_INT_TI1IRQ	2
-#define TC35892_INT_TI2IRQ	3
-#define TC35892_INT_ROTIRQ	5
-#define TC35892_INT_KBDIRQ	6
-#define TC35892_INT_PORIRQ	7
-
-#define TC35892_NR_INTERNAL_IRQS	8
-#define TC35892_INT_GPIO(x)	(TC35892_NR_INTERNAL_IRQS + (x))
-
-struct tc35892 {
-	struct mutex lock;
-	struct device *dev;
-	struct i2c_client *i2c;
-
-	int irq_base;
-	int num_gpio;
-	struct tc35892_platform_data *pdata;
-};
-
-extern int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data);
-extern int tc35892_reg_read(struct tc35892 *tc35892, u8 reg);
-extern int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length,
-			      u8 *values);
-extern int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
-			       const u8 *values);
-extern int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val);
-
-/**
- * struct tc35892_gpio_platform_data - TC35892 GPIO platform data
- * @gpio_base: first gpio number assigned to TC35892.  A maximum of
- *	       %TC35892_NR_GPIOS GPIOs will be allocated.
- * @setup: callback for board-specific initialization
- * @remove: callback for board-specific teardown
- */
-struct tc35892_gpio_platform_data {
-	int gpio_base;
-	void (*setup)(struct tc35892 *tc35892, unsigned gpio_base);
-	void (*remove)(struct tc35892 *tc35892, unsigned gpio_base);
-};
-
-/**
- * struct tc35892_platform_data - TC35892 platform data
- * @irq_base: base IRQ number.  %TC35892_NR_IRQS irqs will be used.
- * @gpio: GPIO-specific platform data
- */
-struct tc35892_platform_data {
-	int irq_base;
-	struct tc35892_gpio_platform_data *gpio;
-};
-
-#define TC35892_NR_GPIOS	24
-#define TC35892_NR_IRQS		TC35892_INT_GPIO(TC35892_NR_GPIOS)
-
-#endif

include/linux/mfd/tc3589x.h

@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ */
+
+#ifndef __LINUX_MFD_TC3589x_H
+#define __LINUX_MFD_TC3589x_H
+
+#include <linux/device.h>
+
+enum tx3589x_block {
+	TC3589x_BLOCK_GPIO        = 1 << 0,
+	TC3589x_BLOCK_KEYPAD      = 1 << 1,
+};
+
+#define TC3589x_RSTCTRL_IRQRST	(1 << 4)
+#define TC3589x_RSTCTRL_TIMRST	(1 << 3)
+#define TC3589x_RSTCTRL_ROTRST	(1 << 2)
+#define TC3589x_RSTCTRL_KBDRST	(1 << 1)
+#define TC3589x_RSTCTRL_GPIRST	(1 << 0)
+
+/* Keyboard Configuration Registers */
+#define TC3589x_KBDSETTLE_REG   0x01
+#define TC3589x_KBDBOUNCE       0x02
+#define TC3589x_KBDSIZE         0x03
+#define TC3589x_KBCFG_LSB       0x04
+#define TC3589x_KBCFG_MSB       0x05
+#define TC3589x_KBDIC           0x08
+#define TC3589x_KBDMSK          0x09
+#define TC3589x_EVTCODE_FIFO    0x10
+#define TC3589x_KBDMFS		0x8F
+
+#define TC3589x_IRQST		0x91
+
+#define TC3589x_MANFCODE_MAGIC	0x03
+#define TC3589x_MANFCODE	0x80
+#define TC3589x_VERSION		0x81
+#define TC3589x_IOCFG		0xA7
+
+#define TC3589x_CLKMODE		0x88
+#define TC3589x_CLKCFG		0x89
+#define TC3589x_CLKEN		0x8A
+
+#define TC3589x_RSTCTRL		0x82
+#define TC3589x_EXTRSTN		0x83
+#define TC3589x_RSTINTCLR	0x84
+
+/* Pull up/down configuration registers */
+#define TC3589x_IOCFG           0xA7
+#define TC3589x_IOPULLCFG0_LSB  0xAA
+#define TC3589x_IOPULLCFG0_MSB  0xAB
+#define TC3589x_IOPULLCFG1_LSB  0xAC
+#define TC3589x_IOPULLCFG1_MSB  0xAD
+#define TC3589x_IOPULLCFG2_LSB  0xAE
+
+#define TC3589x_GPIOIS0		0xC9
+#define TC3589x_GPIOIS1		0xCA
+#define TC3589x_GPIOIS2		0xCB
+#define TC3589x_GPIOIBE0	0xCC
+#define TC3589x_GPIOIBE1	0xCD
+#define TC3589x_GPIOIBE2	0xCE
+#define TC3589x_GPIOIEV0	0xCF
+#define TC3589x_GPIOIEV1	0xD0
+#define TC3589x_GPIOIEV2	0xD1
+#define TC3589x_GPIOIE0		0xD2
+#define TC3589x_GPIOIE1		0xD3
+#define TC3589x_GPIOIE2		0xD4
+#define TC3589x_GPIORIS0	0xD6
+#define TC3589x_GPIORIS1	0xD7
+#define TC3589x_GPIORIS2	0xD8
+#define TC3589x_GPIOMIS0	0xD9
+#define TC3589x_GPIOMIS1	0xDA
+#define TC3589x_GPIOMIS2	0xDB
+#define TC3589x_GPIOIC0		0xDC
+#define TC3589x_GPIOIC1		0xDD
+#define TC3589x_GPIOIC2		0xDE
+
+#define TC3589x_GPIODATA0	0xC0
+#define TC3589x_GPIOMASK0	0xc1
+#define TC3589x_GPIODATA1	0xC2
+#define TC3589x_GPIOMASK1	0xc3
+#define TC3589x_GPIODATA2	0xC4
+#define TC3589x_GPIOMASK2	0xC5
+
+#define TC3589x_GPIODIR0	0xC6
+#define TC3589x_GPIODIR1	0xC7
+#define TC3589x_GPIODIR2	0xC8
+
+#define TC3589x_GPIOSYNC0	0xE6
+#define TC3589x_GPIOSYNC1	0xE7
+#define TC3589x_GPIOSYNC2	0xE8
+
+#define TC3589x_GPIOWAKE0	0xE9
+#define TC3589x_GPIOWAKE1	0xEA
+#define TC3589x_GPIOWAKE2	0xEB
+
+#define TC3589x_GPIOODM0	0xE0
+#define TC3589x_GPIOODE0	0xE1
+#define TC3589x_GPIOODM1	0xE2
+#define TC3589x_GPIOODE1	0xE3
+#define TC3589x_GPIOODM2	0xE4
+#define TC3589x_GPIOODE2	0xE5
+
+#define TC3589x_INT_GPIIRQ	0
+#define TC3589x_INT_TI0IRQ	1
+#define TC3589x_INT_TI1IRQ	2
+#define TC3589x_INT_TI2IRQ	3
+#define TC3589x_INT_ROTIRQ	5
+#define TC3589x_INT_KBDIRQ	6
+#define TC3589x_INT_PORIRQ	7
+
+#define TC3589x_NR_INTERNAL_IRQS	8
+#define TC3589x_INT_GPIO(x)	(TC3589x_NR_INTERNAL_IRQS + (x))
+
+struct tc3589x {
+	struct mutex lock;
+	struct device *dev;
+	struct i2c_client *i2c;
+
+	int irq_base;
+	int num_gpio;
+	struct tc3589x_platform_data *pdata;
+};
+
+extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
+extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
+extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
+			      u8 *values);
+extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
+			       const u8 *values);
+extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
+
+/*
+ * Keypad related platform specific constants
+ * These values may be modified for fine tuning
+ */
+#define TC_KPD_ROWS             0x8
+#define TC_KPD_COLUMNS          0x8
+#define TC_KPD_DEBOUNCE_PERIOD  0xA3
+#define TC_KPD_SETTLE_TIME      0xA3
+
+/**
+ * struct tc35893_platform_data - data structure for platform specific data
+ * @keymap_data:        matrix scan code table for keycodes
+ * @krow:               mask for available rows, value is 0xFF
+ * @kcol:               mask for available columns, value is 0xFF
+ * @debounce_period:    platform specific debounce time
+ * @settle_time:        platform specific settle down time
+ * @irqtype:            type of interrupt, falling or rising edge
+ * @enable_wakeup:      specifies if keypad event can wake up system from sleep
+ * @no_autorepeat:      flag for auto repetition
+ */
+struct tc3589x_keypad_platform_data {
+	const struct matrix_keymap_data *keymap_data;
+	u8                      krow;
+	u8                      kcol;
+	u8                      debounce_period;
+	u8                      settle_time;
+	unsigned long           irqtype;
+	bool                    enable_wakeup;
+	bool                    no_autorepeat;
+};
+
+/**
+ * struct tc3589x_gpio_platform_data - TC3589x GPIO platform data
+ * @gpio_base: first gpio number assigned to TC3589x.  A maximum of
+ *	       %TC3589x_NR_GPIOS GPIOs will be allocated.
+ * @setup: callback for board-specific initialization
+ * @remove: callback for board-specific teardown
+ */
+struct tc3589x_gpio_platform_data {
+	int gpio_base;
+	void (*setup)(struct tc3589x *tc3589x, unsigned gpio_base);
+	void (*remove)(struct tc3589x *tc3589x, unsigned gpio_base);
+};
+
+/**
+ * struct tc3589x_platform_data - TC3589x platform data
+ * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
+ * @irq_base: base IRQ number.  %TC3589x_NR_IRQS irqs will be used.
+ * @gpio: GPIO-specific platform data
+ * @keypad: keypad-specific platform data
+ */
+struct tc3589x_platform_data {
+	unsigned int block;
+	int irq_base;
+	struct tc3589x_gpio_platform_data *gpio;
+	const struct tc3589x_keypad_platform_data *keypad;
+};
+
+#define TC3589x_NR_GPIOS	24
+#define TC3589x_NR_IRQS		TC3589x_INT_GPIO(TC3589x_NR_GPIOS)
+
+#endif