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Subject[PATCH v4 1/3] [media] dt-bindings: Add binding for rk3228 rga
Indicate that the rk3228 rga is compatible with that of the rk3288.

But if any rk3228-specific quirks are identified in future that
require handling logic that differs from what is provided for the
rk3288, then allow for the compatibility string "rockchip,rk3228-rga"
to be matched instead of "rockchip,rk3288-rga".

Signed-off-by: Justin Swartz <>
Documentation/devicetree/bindings/media/rockchip-rga.txt | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt
index fd5276abf..c53a8e513 100644
--- a/Documentation/devicetree/bindings/media/rockchip-rga.txt
+++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt
@@ -6,8 +6,9 @@ BitBLT, alpha blending and image blur/sharpness.

Required properties:
- compatible: value should be one of the following
- "rockchip,rk3288-rga";
- "rockchip,rk3399-rga";
+ "rockchip,rk3228-rga", "rockchip,rk3288-rga": for Rockchip RK3228
+ "rockchip,rk3288-rga": for Rockchip RK3288
+ "rockchip,rk3399-rga": for Rockchip RK3399

- interrupts: RGA interrupt specifier.

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