[ARM] pxa/vpac270: Add DS1339 RTC support

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/vpac270.c

@@ -36,6 +36,8 @@
 #include <mach/pxa27x-udc.h>
 #include <mach/udc.h>
 
+#include <plat/i2c.h>
+
 #include "generic.h"
 #include "devices.h"
 
@@ -132,6 +134,10 @@ static unsigned long vpac270_pin_config[] __initdata = {
 	GPIO95_AC97_nRESET,
 	GPIO98_AC97_SYSCLK,
 	GPIO113_GPIO,	/* TS IRQ */
+
+	/* I2C */
+	GPIO117_I2C_SCL,
+	GPIO118_I2C_SDA,
 };
 
 /******************************************************************************
@@ -397,6 +403,25 @@ static void __init vpac270_ts_init(void)
 static inline void vpac270_ts_init(void) {}
 #endif
 
+/******************************************************************************
+ * RTC
+ ******************************************************************************/
+#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
+static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
+	{
+		I2C_BOARD_INFO("ds1339", 0x68),
+	},
+};
+
+static void __init vpac270_rtc_init(void)
+{
+	pxa_set_i2c_info(NULL);
+	i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
+}
+#else
+static inline void vpac270_rtc_init(void) {}
+#endif
+
 /******************************************************************************
  * Framebuffer
  ******************************************************************************/
@@ -481,6 +506,7 @@ static void __init vpac270_init(void)
 	vpac270_udc_init();
 	vpac270_eth_init();
 	vpac270_ts_init();
+	vpac270_rtc_init();
 }
 
 MACHINE_START(VPAC270, "Voipac PXA270")