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i2c: hix5hd2: add i2c controller driver

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I2C drivers for hix5hd2 soc series, including following chipset
Hi3716CV200, Hi3719CV100, Hi3718CV100, Hi3719MV100, Hi3718MV100.

Signed-off-by: Wei Yan <[email protected]>
Signed-off-by: Zhangfei Gao <[email protected]>
[wsa: folded dt docs into this patch]
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Wei Yan 2014-10-07 09:04:12 +08:00 • committed by Wolfram Sang
commit 15ef27756b
4 changed files with 592 additions and 0 deletions
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24
Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt Normal file
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I2C for Hisilicon hix5hd2 chipset platform
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.
Optional properties:
- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000
- 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>;
}