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dt-bindings: drm/msm/a6xx: Add GX power-domain for GMU bindings

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The GMU should have two power domains defined: "cx" and "gx". "cx" is the
actual power domain for the device and "gx" will be attached at runtime
to manage reference counting on the GPU device in case of a GMU crash.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jordan Crouse 2019-02-04 09:15:40 -07:00 committed by Rob Clark
parent b94a6e3737
commit c6c598535c
1 changed files with 8 additions and 2 deletions
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10
Documentation/devicetree/bindings/display/msm/gmu.txt
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@ -24,7 +24,10 @@ Required properties:
* "cxo"
* "axi"
* "mnoc"
- power-domains: should be <&clock_gpucc GPU_CX_GDSC>
- power-domains: should be:
<&clock_gpucc GPU_CX_GDSC>
<&clock_gpucc GPU_GX_GDSC>
- power-domain-names: Matching names for the power domains
- iommus: phandle to the adreno iommu
- operating-points-v2: phandle to the OPP operating points
@ -51,7 +54,10 @@ Example:
<&gcc GCC_GPU_MEMNOC_GFX_CLK>;
clock-names = "gmu", "cxo", "axi", "memnoc";
power-domains = <&gpucc GPU_CX_GDSC>;
power-domains = <&gpucc GPU_CX_GDSC>,
<&gpucc GPU_GX_GDSC>;
power-domain-names = "cx", "gx";
iommus = <&adreno_smmu 5>;
operating-points-v2 = <&gmu_opp_table>;