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>

4 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa270-evalboard.c b/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
index e1a2b52a9d21..7f27aecc7e0f 100644
--- a/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
+++ b/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();
 }
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
index e940004eac16..eecbb8bc4533 100644
--- a/arch/arm/mach-pxa/colibri-pxa270.c
+++ b/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 = {};
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 649c83c427c9..9b8d72de294c 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/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 = {};
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 6f15f2acf0c6..0d8faf85a508 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/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 = {};