Messages in this thread Patch in this message | | | From | Zubair Lutfullah Kakakhel <> | Subject | [PATCH_V2 1/2] dt-bindings: i2c: Add dt binding documentation for ingenic jz4780 SoC | Date | Wed, 11 Mar 2015 14:26:43 +0000 |
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Adds DT documentation for the the i2c controller for the JZ4780 SoC
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
--- V1 -> V2 Reworded example node. Was separated between board/soc. No need for that as such. Rebase to v4.0-rc3 --- .../devicetree/bindings/i2c/i2c-jz4780.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-jz4780.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt b/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt new file mode 100644 index 0000000..231e4cc --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt @@ -0,0 +1,35 @@ +* Ingenic JZ4780 I2C Bus controller + +Required properties: +- compatible: should be "ingenic,jz4780-i2c" +- reg: Should contain the address & size of the I2C controller registers. +- interrupts: Should specify the interrupt provided by parent. +- clocks: Should contain a single clock specifier for the JZ4780 I2C clock. +- clock-frequency: desired I2C bus clock frequency in Hz. + +Recommended properties: +- pinctrl-names: should be "default"; +- pinctrl-0: phandle to pinctrl function + +Optional properties: +- interrupt-parent: Should be the phandle of the interrupt controller that + delivers interrupts to the I2C block. + +Example + +/ { + i2c4: i2c4@0x10054000 { + compatible = "ingenic,jz4780-i2c"; + reg = <0x10054000 0x1000>; + + interrupt-parent = <&intc>; + interrupts = <56>; + + clocks = <&cgu JZ4780_CLK_SMB4>; + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pins_i2c4_data>; + + }; +}; + -- 1.9.1
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