|
@@ -0,0 +1,363 @@
|
|
|
+/*
|
|
|
+ * linux/arch/arm/mach-s3c64xx/mach-smartq.c
|
|
|
+ *
|
|
|
+ * Copyright (C) 2010 Maurus Cuelenaere
|
|
|
+ *
|
|
|
+ * 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.
|
|
|
+ *
|
|
|
+ */
|
|
|
+
|
|
|
+#include <linux/delay.h>
|
|
|
+#include <linux/fb.h>
|
|
|
+#include <linux/gpio.h>
|
|
|
+#include <linux/init.h>
|
|
|
+#include <linux/platform_device.h>
|
|
|
+#include <linux/pwm_backlight.h>
|
|
|
+#include <linux/serial_core.h>
|
|
|
+#include <linux/usb/gpio_vbus.h>
|
|
|
+
|
|
|
+#include <asm/mach-types.h>
|
|
|
+#include <asm/mach/map.h>
|
|
|
+
|
|
|
+#include <mach/map.h>
|
|
|
+#include <mach/regs-gpio.h>
|
|
|
+#include <mach/regs-modem.h>
|
|
|
+
|
|
|
+#include <plat/clock.h>
|
|
|
+#include <plat/cpu.h>
|
|
|
+#include <plat/devs.h>
|
|
|
+#include <plat/iic.h>
|
|
|
+#include <plat/gpio-cfg.h>
|
|
|
+#include <plat/hwmon.h>
|
|
|
+#include <plat/regs-serial.h>
|
|
|
+#include <plat/udc-hs.h>
|
|
|
+#include <plat/usb-control.h>
|
|
|
+#include <plat/sdhci.h>
|
|
|
+#include <plat/ts.h>
|
|
|
+
|
|
|
+#include <video/platform_lcd.h>
|
|
|
+
|
|
|
+#define UCON S3C2410_UCON_DEFAULT
|
|
|
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
|
|
|
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
|
|
|
+
|
|
|
+static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
|
|
|
+ [0] = {
|
|
|
+ .hwport = 0,
|
|
|
+ .flags = 0,
|
|
|
+ .ucon = UCON,
|
|
|
+ .ulcon = ULCON,
|
|
|
+ .ufcon = UFCON,
|
|
|
+ },
|
|
|
+ [1] = {
|
|
|
+ .hwport = 1,
|
|
|
+ .flags = 0,
|
|
|
+ .ucon = UCON,
|
|
|
+ .ulcon = ULCON,
|
|
|
+ .ufcon = UFCON,
|
|
|
+ },
|
|
|
+ [2] = {
|
|
|
+ .hwport = 2,
|
|
|
+ .flags = 0,
|
|
|
+ .ucon = UCON,
|
|
|
+ .ulcon = ULCON,
|
|
|
+ .ufcon = UFCON,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+static void smartq_usb_host_powercontrol(int port, int to)
|
|
|
+{
|
|
|
+ pr_debug("%s(%d, %d)\n", __func__, port, to);
|
|
|
+
|
|
|
+ if (port == 0) {
|
|
|
+ gpio_set_value(S3C64XX_GPL(0), to);
|
|
|
+ gpio_set_value(S3C64XX_GPL(1), to);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
|
|
|
+{
|
|
|
+ struct s3c2410_hcd_info *info = pw;
|
|
|
+
|
|
|
+ if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
|
|
|
+ pr_debug("%s: over-current irq (oc detected)\n", __func__);
|
|
|
+ s3c2410_usb_report_oc(info, 3);
|
|
|
+ } else {
|
|
|
+ pr_debug("%s: over-current irq (oc cleared)\n", __func__);
|
|
|
+ s3c2410_usb_report_oc(info, 0);
|
|
|
+ }
|
|
|
+
|
|
|
+ return IRQ_HANDLED;
|
|
|
+}
|
|
|
+
|
|
|
+static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ /* This isn't present on a SmartQ 5 board */
|
|
|
+ if (machine_is_smartq5())
|
|
|
+ return;
|
|
|
+
|
|
|
+ if (on) {
|
|
|
+ ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
|
|
|
+ smartq_usb_host_ocirq, IRQF_DISABLED |
|
|
|
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
|
|
|
+ "USB host overcurrent", info);
|
|
|
+ if (ret != 0)
|
|
|
+ pr_err("failed to request usb oc irq: %d\n", ret);
|
|
|
+ } else {
|
|
|
+ free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static struct s3c2410_hcd_info smartq_usb_host_info = {
|
|
|
+ .port[0] = {
|
|
|
+ .flags = S3C_HCDFLG_USED
|
|
|
+ },
|
|
|
+ .port[1] = {
|
|
|
+ .flags = 0
|
|
|
+ },
|
|
|
+
|
|
|
+ .power_control = smartq_usb_host_powercontrol,
|
|
|
+ .enable_oc = smartq_usb_host_enableoc,
|
|
|
+};
|
|
|
+
|
|
|
+static struct gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
|
|
|
+ .gpio_vbus = S3C64XX_GPL(9),
|
|
|
+ .gpio_pullup = -1,
|
|
|
+ .gpio_vbus_inverted = true,
|
|
|
+};
|
|
|
+
|
|
|
+static struct platform_device smartq_usb_otg_vbus_dev = {
|
|
|
+ .name = "gpio-vbus",
|
|
|
+ .dev.platform_data = &smartq_usb_otg_vbus_pdata,
|
|
|
+};
|
|
|
+
|
|
|
+static int __init smartq_bl_init(struct device *dev)
|
|
|
+{
|
|
|
+ s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static struct platform_pwm_backlight_data smartq_backlight_data = {
|
|
|
+ .pwm_id = 1,
|
|
|
+ .max_brightness = 1000,
|
|
|
+ .dft_brightness = 600,
|
|
|
+ .pwm_period_ns = 1000000000 / (1000 * 20),
|
|
|
+ .init = smartq_bl_init,
|
|
|
+};
|
|
|
+
|
|
|
+static struct platform_device smartq_backlight_device = {
|
|
|
+ .name = "pwm-backlight",
|
|
|
+ .dev = {
|
|
|
+ .parent = &s3c_device_timer[1].dev,
|
|
|
+ .platform_data = &smartq_backlight_data,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
|
|
|
+ .delay = 65535,
|
|
|
+ .presc = 99,
|
|
|
+ .oversampling_shift = 4,
|
|
|
+};
|
|
|
+
|
|
|
+static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
|
|
|
+ .max_width = 4,
|
|
|
+ /*.broken_card_detection = true,*/
|
|
|
+};
|
|
|
+
|
|
|
+static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
|
|
|
+ /* Battery voltage (?-4.2V) */
|
|
|
+ .in[0] = &(struct s3c_hwmon_chcfg) {
|
|
|
+ .name = "smartq:battery-voltage",
|
|
|
+ .mult = 3300,
|
|
|
+ .div = 2048,
|
|
|
+ },
|
|
|
+ /* Reference voltage (1.2V) */
|
|
|
+ .in[1] = &(struct s3c_hwmon_chcfg) {
|
|
|
+ .name = "smartq:reference-voltage",
|
|
|
+ .mult = 3300,
|
|
|
+ .div = 4096,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
|
|
|
+{
|
|
|
+ gpio_direction_output(S3C64XX_GPM(3), power);
|
|
|
+}
|
|
|
+
|
|
|
+static struct plat_lcd_data smartq_lcd_power_data = {
|
|
|
+ .set_power = smartq_lcd_power_set,
|
|
|
+};
|
|
|
+
|
|
|
+static struct platform_device smartq_lcd_power_device = {
|
|
|
+ .name = "platform-lcd",
|
|
|
+ .dev.parent = &s3c_device_fb.dev,
|
|
|
+ .dev.platform_data = &smartq_lcd_power_data,
|
|
|
+};
|
|
|
+
|
|
|
+
|
|
|
+static struct platform_device *smartq_devices[] __initdata = {
|
|
|
+ &s3c_device_hsmmc1, /* Init iNAND first, ... */
|
|
|
+ &s3c_device_hsmmc0, /* ... then the external SD card */
|
|
|
+ &s3c_device_hsmmc2,
|
|
|
+ &s3c_device_adc,
|
|
|
+ &s3c_device_fb,
|
|
|
+ &s3c_device_hwmon,
|
|
|
+ &s3c_device_i2c0,
|
|
|
+ &s3c_device_ohci,
|
|
|
+ &s3c_device_rtc,
|
|
|
+ &s3c_device_timer[1],
|
|
|
+ &s3c_device_ts,
|
|
|
+ &s3c_device_usb_hsotg,
|
|
|
+ &smartq_backlight_device,
|
|
|
+ &smartq_lcd_power_device,
|
|
|
+ &smartq_usb_otg_vbus_dev,
|
|
|
+};
|
|
|
+
|
|
|
+static void __init smartq_lcd_mode_set(void)
|
|
|
+{
|
|
|
+ u32 tmp;
|
|
|
+
|
|
|
+ /* set the LCD type */
|
|
|
+ tmp = __raw_readl(S3C64XX_SPCON);
|
|
|
+ tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
|
|
|
+ tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
|
|
|
+ __raw_writel(tmp, S3C64XX_SPCON);
|
|
|
+
|
|
|
+ /* remove the LCD bypass */
|
|
|
+ tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
|
|
|
+ tmp &= ~MIFPCON_LCD_BYPASS;
|
|
|
+ __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
|
|
|
+}
|
|
|
+
|
|
|
+static void smartq_power_off(void)
|
|
|
+{
|
|
|
+ gpio_direction_output(S3C64XX_GPK(15), 1);
|
|
|
+}
|
|
|
+
|
|
|
+static int __init smartq_power_off_init(void)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ret = gpio_request(S3C64XX_GPK(15), "Power control");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPK15\n", __func__);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* leave power on */
|
|
|
+ gpio_direction_output(S3C64XX_GPK(15), 0);
|
|
|
+
|
|
|
+
|
|
|
+ pm_power_off = smartq_power_off;
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int __init smartq_usb_host_init(void)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ret = gpio_request(S3C64XX_GPL(0), "USB power control");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPL0\n", __func__);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPL1\n", __func__);
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!machine_is_smartq5()) {
|
|
|
+ /* This isn't present on a SmartQ 5 board */
|
|
|
+ ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPL10\n", __func__);
|
|
|
+ goto err2;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* turn power off */
|
|
|
+ gpio_direction_output(S3C64XX_GPL(0), 0);
|
|
|
+ gpio_direction_output(S3C64XX_GPL(1), 0);
|
|
|
+ if (!machine_is_smartq5())
|
|
|
+ gpio_direction_input(S3C64XX_GPL(10));
|
|
|
+
|
|
|
+ s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+
|
|
|
+err2:
|
|
|
+ gpio_free(S3C64XX_GPL(1));
|
|
|
+err:
|
|
|
+ gpio_free(S3C64XX_GPL(0));
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int __init smartq_usb_otg_init(void)
|
|
|
+{
|
|
|
+ clk_xusbxti.rate = 12000000;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int __init smartq_wifi_init(void)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ret = gpio_request(S3C64XX_GPK(1), "wifi control");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPK1\n", __func__);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("%s: failed to get GPK2\n", __func__);
|
|
|
+ gpio_free(S3C64XX_GPK(1));
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* turn power on */
|
|
|
+ gpio_direction_output(S3C64XX_GPK(1), 1);
|
|
|
+
|
|
|
+ /* reset device */
|
|
|
+ gpio_direction_output(S3C64XX_GPK(2), 0);
|
|
|
+ mdelay(100);
|
|
|
+ gpio_set_value(S3C64XX_GPK(2), 1);
|
|
|
+ gpio_direction_input(S3C64XX_GPK(2));
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static struct map_desc smartq_iodesc[] __initdata = {};
|
|
|
+void __init smartq_map_io(void)
|
|
|
+{
|
|
|
+ s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
|
|
|
+ s3c24xx_init_clocks(12000000);
|
|
|
+ s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
|
|
|
+
|
|
|
+ smartq_lcd_mode_set();
|
|
|
+}
|
|
|
+
|
|
|
+void __init smartq_machine_init(void)
|
|
|
+{
|
|
|
+ s3c_i2c0_set_platdata(NULL);
|
|
|
+ s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
|
|
|
+ s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
|
|
|
+ s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
|
|
|
+ s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
|
|
|
+
|
|
|
+ WARN_ON(smartq_power_off_init());
|
|
|
+ WARN_ON(smartq_usb_host_init());
|
|
|
+ WARN_ON(smartq_usb_otg_init());
|
|
|
+ WARN_ON(smartq_wifi_init());
|
|
|
+
|
|
|
+ platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
|
|
|
+}
|