ARM: S5PV310: Add I2C channel 0, 1 and 2 support

This patch adds configuration of proper mux pins for support
I2C channel 0, 1, and 2 on S5PV310/S5PC210.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: coding-style and minor comment fixes]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/arch/arm/mach-s5pv310/setup-i2c0.c b/arch/arm/mach-s5pv310/setup-i2c0.c
index d4f5a810694..43671280738 100644
--- a/arch/arm/mach-s5pv310/setup-i2c0.c
+++ b/arch/arm/mach-s5pv310/setup-i2c0.c
@@ -1,4 +1,5 @@
-/* linux/arch/arm/mach-s5pv210/setup-i2c0.c
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c0.c
  *
  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
  *              http://www.samsung.com/
@@ -14,7 +15,14 @@
 
 struct platform_device; /* don't need the contents */
 
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
-/* will be implemented later */
+        s3c_gpio_cfgpin(S5PV310_GPD1(0), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PV310_GPD1(0), S3C_GPIO_PULL_UP);
+        s3c_gpio_cfgpin(S5PV310_GPD1(1), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PV310_GPD1(1), S3C_GPIO_PULL_UP);
 }