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dt: bindings: add documentation for zx2967 family i2c controller

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This patch adds dt-binding documentation for zx2967 family
i2c controller.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Baoyou Xie 2017-06-22 20:56:54 +08:00 committed by Wolfram Sang
parent 606fd2788b
commit c0022504b5
1 changed files with 22 additions and 0 deletions
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Documentation/devicetree/bindings/i2c/i2c-zx2967.txt Normal file
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ZTE zx2967 I2C controller
Required properties:
- compatible: must be "zte,zx296718-i2c"
- reg: physical address and length of the device registers
- interrupts: a single interrupt specifier
- clocks: clock for the device
- #address-cells: should be <1>
- #size-cells: should be <0>
- clock-frequency: the desired I2C bus clock frequency.
Examples:
i2c@112000 {
compatible = "zte,zx296718-i2c";
reg = <0x00112000 0x1000>;
interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&osc24m>;
#address-cells = <1>
#size-cells = <0>;
clock-frequency = <1600000>;
};