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Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt b/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt deleted file mode 100644 index 66ae46d3bc2f..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt +++ /dev/null @@ -1,58 +0,0 @@ -* Samsung's I2C controller - -The Samsung's I2C controller is used to interface with I2C devices. - -Required properties: - - compatible: value should be either of the following. - (a) "samsung, s3c2410-i2c", for i2c compatible with s3c2410 i2c. - (b) "samsung, s3c2440-i2c", for i2c compatible with s3c2440 i2c. - (c) "samsung, s3c2440-hdmiphy-i2c", for s3c2440-like i2c used - inside HDMIPHY block found on several samsung SoCs - (d) "samsung, exynos5-sata-phy-i2c", for s3c2440-like i2c used as - a host to SATA PHY controller on an internal bus. - - reg: physical base address of the controller and length of memory mapped - region. - - 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: - - samsung,i2c-slave-addr: Slave address in multi-master environment. If not - specified, default value is 0. - - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not - specified, the default value in Hz is 100000. - - samsung,sysreg-phandle - handle to syscon used to control the system registers - -Example: - - i2c@13870000 { - compatible = "samsung,s3c2440-i2c"; - reg = <0x13870000 0x100>; - 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>; - - wm8994@1a { - compatible = "wlf,wm8994"; - reg = <0x1a>; - }; - }; |