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| author | Jacob Chen <jacob-chen@iotwrt.com> | 2017-10-11 10:29:34 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2017-10-17 02:05:07 +0300 |
| commit | 7ef3b44ceafb5456b7e43e2bd96e22bb696806c9 (patch) | |
| tree | 709772fbb5c096af0782873fc0a27486c782fd89 /Documentation/devicetree/bindings/media/rockchip-rga.txt | |
| parent | 8382e556b1a2f30c4bf866f021b33577a64f9ebf (diff) | |
| download | linux-7ef3b44ceafb5456b7e43e2bd96e22bb696806c9.tar.xz | |
[media] dt-bindings: Document the Rockchip RGA bindings
Add DT bindings documentation for Rockchip RGA
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/devicetree/bindings/media/rockchip-rga.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/media/rockchip-rga.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt new file mode 100644 index 000000000000..fd5276abfad6 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt @@ -0,0 +1,33 @@ +device-tree bindings for rockchip 2D raster graphic acceleration controller (RGA) + +RGA is a standalone 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,rk3288-rga"; + "rockchip,rk3399-rga"; + +- interrupts: RGA interrupt specifier. + +- 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 { + compatible = "rockchip,rk3399-rga"; + reg = <0xff680000 0x10000>; + interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; + 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"; + }; |