tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: drm/msm/a6xx: Add GX power-domain for GMU bindings
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>
authored by
Jordan Crouse
and committed by
Rob Clark
c6c59853
b94a6e37
+8
-2
+8
-2
Documentation/devicetree/bindings/display/msm/gmu.txt
+8
-2
Documentation/devicetree/bindings/display/msm/gmu.txt
···
24
24
* "cxo"
25
25
* "axi"
26
26
* "mnoc"
27
-
- power-domains: should be <&clock_gpucc GPU_CX_GDSC>
27
+
- power-domains: should be:
28
+
<&clock_gpucc GPU_CX_GDSC>
29
+
<&clock_gpucc GPU_GX_GDSC>
30
+
- power-domain-names: Matching names for the power domains
28
31
- iommus: phandle to the adreno iommu
29
32
- operating-points-v2: phandle to the OPP operating points
30
33
···
54
51
<&gcc GCC_GPU_MEMNOC_GFX_CLK>;
55
52
clock-names = "gmu", "cxo", "axi", "memnoc";
56
53
57
-
power-domains = <&gpucc GPU_CX_GDSC>;
54
+
power-domains = <&gpucc GPU_CX_GDSC>,
55
+
<&gpucc GPU_GX_GDSC>;
56
+
power-domain-names = "cx", "gx";
57
+
58
58
iommus = <&adreno_smmu 5>;
59
59
60
60
operating-points-v2 = <&gmu_opp_table>;