On Mon, Jun 26, 2017 at 10:53:22PM +0800, Jacob Chen wrote:
> Add DT bindings documentation for Rockchip RGA
>
> Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> Signed-off-by: Jacob Chen <jacob-chen@xxxxxxxxxx>
> ---
> .../devicetree/bindings/media/rockchip-rga.txt | 36 ++++++++++++++++++++++
Should be under bindings/gpu/
> 1 file changed, 36 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/rockchip-rga.txt
>
> diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt
> new file mode 100644
> index 0000000..48a260e5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt
> @@ -0,0 +1,36 @@
> +device-tree bindings for rockchip 2D raster graphic acceleration controller (RGA)
> +
> +RGA is a separate 2D raster graphic acceleration unit. It accelerates 2D
> +graphics operations, such as point/line drawing, image scaling, rotation,
> +BitBLT, alpha blending and image blur/sharpness.
> +
> +Required properties:
> +- compatible: value should be one of the following
> + "rockchip,rk3228-rga";
> + "rockchip,rk3288-rga";
> + "rockchip,rk3399-rga";
> +
> +- interrupts: RGA interrupt number.
> +
> +- clocks: phandle to RGA sclk/hclk/aclk clocks
> +
> +- clock-names: should be "aclk" "hclk" and "sclk"
> +
> +- resets: Must contain an entry for each entry in reset-names.
> + See ../reset/reset.txt for details.
> +- reset-names: should be "core" "axi" and "ahb"
> +
> +Example:
> +SoC specific DT entry:
> + rga: rga@ff680000 {
gpu@...
> + compatible = "rockchip,rk3399-rga";
> + reg = <0xff680000 0x10000>;
> + interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "rga";
> + clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA_CORE>;
> + clock-names = "aclk", "hclk", "sclk";
> +
> + resets = <&cru SRST_RGA_CORE>, <&cru SRST_A_RGA>, <&cru SRST_H_RGA>;
> + reset-names = "core, "axi", "ahb";
> + status = "disabled";
Don't show status in examples.
> + };
> --
> 2.7.4
>
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