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Commit b55ee6b2 authored by Jordan Crouse's avatar Jordan Crouse Committed by Rob Clark
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dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region 



Describe the zap-shader node that defines a reserved memory region
to store the zap shader.

Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent abccb9fe

Documentation/devicetree/bindings/display/msm/gpu.txt

+7 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ Required properties: 
- qcom,gmu: For GMU attached devices a phandle to the GMU device that will

  control the power for the GPU. Applicable targets:

    - qcom,adreno-630.2

- zap-shader: For a5xx and a6xx devices this node contains a memory-region that

  points to reserved memory to store the zap shader that can be used to help

  bring the GPU out of secure mode.



Example 3xx/4xx/a5xx:
@@ -75,5 +78,9 @@ Example a6xx (with GMU): 
		interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;



		qcom,gmu = <&gmu>;



		zap-shader {

			memory-region = <&zap_shader_region>;

		};

	};

};