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i2c: hix5hd2: add i2c controller driver
I2C drivers for hix5hd2 soc series, including following chipset Hi3716CV200, Hi3719CV100, Hi3718CV100, Hi3719MV100, Hi3718MV100. Signed-off-by: Wei Yan <sledge.yanwei@huawei.com> Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org> [wsa: folded dt docs into this patch] Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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I2C for Hisilicon hix5hd2 chipset platform | ||
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Required properties: | ||
- compatible: Must be "hisilicon,hix5hd2-i2c" | ||
- 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. | ||
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Optional properties: | ||
- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000 | ||
- Child nodes conforming to i2c bus binding | ||
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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>; | ||
} |
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