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| author | Tomasz Figa <t.figa@samsung.com> | 2012-11-13 11:33:40 +0100 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-11-16 12:53:25 +0100 |
| commit | 2693ac69880a33d4d9df6f128415b65e745f00ba (patch) | |
| tree | d947754cefb3bb6dd68833e53b5643bedb279cf7 /Documentation | |
| parent | i2c: s3c2410: Convert to devm_request_and_ioremap() (diff) | |
| download | linux-2693ac69880a33d4d9df6f128415b65e745f00ba.tar.xz linux-2693ac69880a33d4d9df6f128415b65e745f00ba.zip | |
i2c: s3c2410: Add support for pinctrl
This patch adds support for pin configuration using pinctrl subsystem
to the i2c-s3c2410 driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/samsung-i2c.txt | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/i2c/samsung-i2c.txt b/Documentation/devicetree/bindings/i2c/samsung-i2c.txt index b6cb5a12c672..e9611ace8792 100644 --- a/Documentation/devicetree/bindings/i2c/samsung-i2c.txt +++ b/Documentation/devicetree/bindings/i2c/samsung-i2c.txt @@ -13,11 +13,17 @@ Required properties: - interrupts: interrupt number to the cpu. - samsung,i2c-sda-delay: Delay (in ns) applied to data line (SDA) edges. +Required for all cases except "samsung,s3c2440-hdmiphy-i2c": + - Samsung GPIO variant (deprecated): + - gpios: The order of the gpios should be the following: <SDA, SCL>. + The gpio specifier depends on the gpio controller. Required in all + cases except for "samsung,s3c2440-hdmiphy-i2c" whose input/output + lines are permanently wired to the respective clienta + - Pinctrl variant (preferred, if available): + - pinctrl-0: Pin control group to be used for this controller. + - pinctrl-names: Should contain only one value - "default". + Optional properties: - - gpios: The order of the gpios should be the following: <SDA, SCL>. - The gpio specifier depends on the gpio controller. Required in all - cases except for "samsung,s3c2440-hdmiphy-i2c" whose input/output - lines are permanently wired to the respective client - samsung,i2c-slave-addr: Slave address in multi-master enviroment. If not specified, default value is 0. - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not @@ -31,8 +37,14 @@ Example: interrupts = <345>; samsung,i2c-sda-delay = <100>; samsung,i2c-max-bus-freq = <100000>; + /* Samsung GPIO variant begins here */ gpios = <&gpd1 2 0 /* SDA */ &gpd1 3 0 /* SCL */>; + /* Samsung GPIO variant ends here */ + /* Pinctrl variant begins here */ + pinctrl-0 = <&i2c3_bus>; + pinctrl-names = "default"; + /* Pinctrl variant ends here */ #address-cells = <1>; #size-cells = <0>; |