On Tue, Jul 12, 2016 at 05:40:48PM +0800, Pan Wen wrote:
> add Hisilicon BVT I2C controller driver support.
>
> Signed-off-by: Pan Wen <wenpan@xxxxxxxxxxxxx>
> ---
> change log
> v2:
> 1)Fixed a compile error.
> 2)Dropped the clock-names property.
> .../devicetree/bindings/i2c/i2c-hibvt.txt | 23 +
> drivers/i2c/busses/Kconfig | 10 +
> drivers/i2c/busses/Makefile | 1 +
> drivers/i2c/busses/i2c-hibvt.c | 736 +++++++++++++++++++++
> 4 files changed, 770 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/i2c/i2c-hibvt.txt
> create mode 100644 drivers/i2c/busses/i2c-hibvt.c
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-hibvt.txt b/Documentation/devicetree/bindings/i2c/i2c-hibvt.txt
> new file mode 100644
> index 0000000..9b88afe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/i2c-hibvt.txt
> @@ -0,0 +1,23 @@
> +Hisilicon BVT I2C master controller
> +
> +Required properties:
> +- compatible: should be "hisilicon,hibvt-i2c".
Needs a SoC specific compatible string.
> +- reg: physical base address of the controller and length of memory mapped.
> + region.
> +- interrupts: interrupt number to the cpu.
> +- clocks: phandles to input clocks.
> +
> +Optional properties:
> +- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000.
> +
> +Other properties:
> +see Documentation/devicetree/bindings/i2c/i2c.txt.
> +
> +Examples:
> +i2c_bus0: i2c@12110000 {
> + compatible = "hisilicon,hibvt-i2c";
> + reg = <0x12110000 0x100>;
> + interrupts = <20>;
> + clocks = <&crg_ctrl HI3516CV300_APB_CLK>;
> + clock-frequency = <100000>;
> +};
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