ARM: pxa: Add M41T00 RTC support into Colibri evalboard

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/colibri-pxa270-evalboard.c

@@ -19,6 +19,7 @@
 #include <asm/mach-types.h>
 #include <mach/hardware.h>
 #include <asm/mach/arch.h>
+#include <linux/i2c.h>
 
 #include <mach/pxa27x.h>
 #include <mach/colibri.h>
@@ -26,6 +27,8 @@
 #include <mach/ohci.h>
 #include <mach/pxa27x-udc.h>
 
+#include <plat/i2c.h>
+
 #include "generic.h"
 #include "devices.h"
 
@@ -87,6 +90,25 @@ static void __init colibri_pxa270_uhc_init(void)
 static inline void colibri_pxa270_uhc_init(void) {}
 #endif
 
+/******************************************************************************
+ * I2C RTC
+ ******************************************************************************/
+#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
+static struct i2c_board_info __initdata colibri_pxa270_i2c_devs[] = {
+	{
+		I2C_BOARD_INFO("m41t00", 0x68),
+	},
+};
+
+static void __init colibri_pxa270_rtc_init(void)
+{
+	pxa_set_i2c_info(NULL);
+	i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_pxa270_i2c_devs));
+}
+#else
+static inline void colibri_pxa270_rtc_init(void) {}
+#endif
+
 void __init colibri_pxa270_evalboard_init(void)
 {
 	pxa_set_ffuart_info(NULL);
@@ -95,4 +117,5 @@ void __init colibri_pxa270_evalboard_init(void)
 
 	colibri_pxa270_mmc_init();
 	colibri_pxa270_uhc_init();
+	colibri_pxa270_rtc_init();
 }

arch/arm/mach-pxa/colibri-pxa270.c

@@ -73,6 +73,10 @@ static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
 	GPIO1_GPIO,	/* READY */
 	GPIO84_GPIO,	/* DETECT */
 	GPIO107_GPIO,	/* PPEN */
+
+	/* I2C */
+	GPIO117_I2C_SCL,
+	GPIO118_I2C_SDA,
 };
 #else
 static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {};

arch/arm/mach-pxa/colibri-pxa300.c

@@ -46,6 +46,10 @@ static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
 	/* UHC */
 	GPIO0_2_USBH_PEN,
 	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL,
+	GPIO22_I2C_SDA,
 };
 #else
 static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};

arch/arm/mach-pxa/colibri-pxa320.c

@@ -69,6 +69,10 @@ static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {
 	/* UHC */
 	GPIO2_2_USBH_PEN,
 	GPIO3_2_USBH_PWR,
+
+	/* I2C */
+	GPIO32_I2C_SCL,
+	GPIO33_I2C_SDA,
 };
 #else
 static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {};