ARM: S5PC1xx: add platform helpers for i2c adapter devices

Samsung S5PC100 has I2C bus controller compatible with the one known from
previous SoCs series. Add required platform setup and support code that
it can be used with s3c2410-i2c driver.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/plat-s5pc1xx/setup-i2c0.c b/arch/arm/plat-s5pc1xx/setup-i2c0.c
index 3d00c025fffb..5e4a7c3a231e 100644
--- a/arch/arm/plat-s5pc1xx/setup-i2c0.c
+++ b/arch/arm/plat-s5pc1xx/setup-i2c0.c
@@ -17,9 +17,14 @@
 
 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)
 {
-        /* Pin configuration would be needed */
+        s3c_gpio_cfgpin(S5PC100_GPD(3), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PC100_GPD(3), S3C_GPIO_PULL_UP);
+        s3c_gpio_cfgpin(S5PC100_GPD(4), S3C_GPIO_SFN(2));
+        s3c_gpio_setpull(S5PC100_GPD(4), S3C_GPIO_PULL_UP);
 }