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authorSharat Masetty <smasetty@codeaurora.org>2020-07-13 18:11:41 +0530
committerRob Clark <robdclark@chromium.org>2020-07-31 06:46:15 -0700
commit369c4ef4330f395835f63fe62e4110f4608c9459 (patch)
tree80f4375e7b46a00044cad27fbe92597daa1956b9
parent3cbdc8d8b7f39a7af3ea7b8dfa75caaebfda4e56 (diff)
dt-bindings: drm/msm/gpu: Document gpu opp table
Update documentation to list the gpu opp table bindings including the newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling. Signed-off-by: Sharat Masetty <smasetty@codeaurora.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
-rw-r--r--Documentation/devicetree/bindings/display/msm/gpu.txt28
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index fd779cd6994d..1af0ff102b50 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -112,6 +112,34 @@ Example a6xx (with GMU):
interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;
interconnect-names = "gfx-mem";
+ gpu_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-430000000 {
+ opp-hz = /bits/ 64 <430000000>;
+ opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+ opp-peak-kBps = <5412000>;
+ };
+
+ opp-355000000 {
+ opp-hz = /bits/ 64 <355000000>;
+ opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+ opp-peak-kBps = <3072000>;
+ };
+
+ opp-267000000 {
+ opp-hz = /bits/ 64 <267000000>;
+ opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+ opp-peak-kBps = <3072000>;
+ };
+
+ opp-180000000 {
+ opp-hz = /bits/ 64 <180000000>;
+ opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+ opp-peak-kBps = <1804000>;
+ };
+ };
+
qcom,gmu = <&gmu>;
zap-shader {