[PATCH resend 1/2] i2c: hix5hd2: add devicetree documentation

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From: Wei Yan <sledge.yanwei@xxxxxxxxxx>

Signed-off-by: Wei Yan <sledge.yanwei@xxxxxxxxxx>
Signed-off-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx>
---
 .../devicetree/bindings/i2c/i2c-hix5hd2.txt        |   31 ++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt

diff --git a/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt b/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt
new file mode 100644
index 0000000..2ecc8a7
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt
@@ -0,0 +1,31 @@
+I2C for Hisilicon hix5hd2 chipset platforms (3716,3719,3798...)
+
+Required properties:
+- compatible: Must be "hisilicon,hix5hd2-i2c"
+  Specifically, the following versions of the chipset are supported:
+	  Hi3716CV200 (support six I2C module)
+	  Hi3719CV100 (support six I2C module)
+	  Hi3718CV100 (support six I2C module)
+	  Hi3719MV100 (support two I2C module)
+	  Hi3718MV100 (support two I2C module)
+- reg: physical base address of the controller and length of memory mapped
+     region.
+- interrupts: interrupt number to the cpu.
+- #address-cells = <1>;
+- #size-cells = <0>;
+- clocks: phandles to input clocks.
+
+Optional properties:
+- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 400000
+- Child nodes conforming to i2c bus binding
+
+Examples:
+I2C0@f8b10000 {
+	compatible = "hisilicon,hix5hd2-i2c";
+	reg = <0xf8b10000 0x1000>;
+	interrupts = <0 38 4>;
+	clocks = <&clock HIX5HD2_I2C0_RST>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "disabled";
+}
-- 
1.7.9.5

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