From 039e60ed6cb6715d168943de99a4aececcb65e15 Mon Sep 17 00:00:00 2001 From: James Hogan Date: Thu, 13 Nov 2014 10:25:11 -0300 Subject: [PATCH] DT: i2c: Add binding document for IMG I2C SCB Introduce a devicetree binding for Imagination Technologies I2C SCB controller. Reviewed-by: Andrew Bresticker Signed-off-by: James Hogan Signed-off-by: Ezequiel Garcia Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/i2c-img-scb.txt | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-img-scb.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt b/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt new file mode 100644 index 000000000000..b6461602dca5 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt @@ -0,0 +1,26 @@ +IMG Serial Control Bus (SCB) I2C Controller + +Required Properties: +- compatible: "img,scb-i2c" +- reg: Physical base address and length of controller registers +- interrupts: Interrupt number used by the controller +- clocks : Should contain a clock specifier for each entry in clock-names +- clock-names : Should contain the following entries: + "scb", for the SCB core clock. + "sys", for the system clock. +- clock-frequency: The I2C bus frequency in Hz +- #address-cells: Should be <1> +- #size-cells: Should be <0> + +Example: + +i2c@18100000 { + compatible = "img,scb-i2c"; + reg = <0x18100000 0x200>; + interrupts = ; + clocks = <&i2c0_clk>, <&system_clk>; + clock-names = "scb", "sys"; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; +}; -- 2.34.1