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, 25 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv310/setup-i2c1.c b/arch/arm/mach-s5pv310/setup-i2c1.c
new file mode 100644
index 000000000000..1ecd5bc35b5a
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c1.c
@@ -0,0 +1,25 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c1.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C1 GPIO configuration.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c1_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgpin(S5PV310_GPD1(2), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PV310_GPD1(2), S3C_GPIO_PULL_UP);
+        s3c_gpio_cfgpin(S5PV310_GPD1(3), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PV310_GPD1(3), S3C_GPIO_PULL_UP);
+}