arm: goni: add i2c_init_board()

Add proper initialization of GPIO pins used by software i2c.
Signed-off-by: NRobert Baldyga <r.baldyga@samsung.com>
Acked-by: NSimon Glass <sjg@chromium.org>

board/samsung/goni/goni.c

@@ -33,6 +33,16 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
+void i2c_init_board(void)
+{
+	gpio_request(S5PC110_GPIO_J43, "i2c_clk");
+	gpio_request(S5PC110_GPIO_J40, "i2c_data");
+	gpio_direction_output(S5PC110_GPIO_J43, 1);
+	gpio_direction_output(S5PC110_GPIO_J40, 1);
+}
+#endif
+
 int power_init_board(void)
 {
 	int ret;

include/configs/s5p_goni.h

@@ -276,6 +276,8 @@
 #define CONFIG_SYS_I2C_SOFT_SPEED	50000
 #define CONFIG_SYS_I2C_SOFT_SLAVE	0x7F
 #define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_I2C_INIT_BOARD
+
 #define CONFIG_SYS_MAX_I2C_BUS	7
 #define CONFIG_USB_GADGET
 #define CONFIG_USB_GADGET_S3C_UDC_OTG