This patch updates device support of EXYNOS4 according to the change of
ARCH name, EXYNOS4.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

S5PV310 and S5PC210 support more I2C devices than previous SoCs.
Add the device support code for them.
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Change the code setting a range of GPIO pins' configuration and
pull state to use the recently introduced s3c_gpio_cfgall_range().
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch changes the code setting ranges of GPIO pins in mach-s5pv310 using
s3c_gpio_cfgpin() to use the recently introduced s3c_gpio_cfgpin_range().
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch adds configuration of proper mux pins for support
I2C channel 0, 1, and 2 on S5PV310/S5PC210.
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: coding-style and minor comment fixes]
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch adds I2C platform helpers required by s3c2440-i2c driver.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>