ARM: S5P6442: Enable I2C0 device on SMDK6442

This patch enables I2C0 device for WM8580 on SMDK6442.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: minor changed title and description]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5p6442/mach-smdk6442.c

@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/serial_core.h>
+#include <linux/i2c.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -25,6 +26,7 @@
 #include <plat/s5p6442.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/iic.h>
 
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDK6442_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -65,10 +67,15 @@ static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = {
 };
 
 static struct platform_device *smdk6442_devices[] __initdata = {
+	&s3c_device_i2c0,
 	&s5p6442_device_iis0,
 	&s3c_device_wdt,
 };
 
+static struct i2c_board_info smdk6442_i2c_devs0[] __initdata = {
+	{ I2C_BOARD_INFO("wm8580", 0x1b), },
+};
+
 static void __init smdk6442_map_io(void)
 {
 	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -78,6 +85,9 @@ static void __init smdk6442_map_io(void)
 
 static void __init smdk6442_machine_init(void)
 {
+	s3c_i2c0_set_platdata(NULL);
+	i2c_register_board_info(0, smdk6442_i2c_devs0,
+			ARRAY_SIZE(smdk6442_i2c_devs0));
 	platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices));
 }