Re: [PATCH v3 2/2] arm: dts: sc7180: Add support for gpu fuse

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On 12/7/2020 4:12 PM, Akhil P Oommen wrote:
Add support for gpu fuse to help identify the supported opps.

Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sc7180.dtsi | 22 ++++++++++++++++++++++
  1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 6678f1e..8cae3eb 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -675,6 +675,11 @@
  				reg = <0x25b 0x1>;
  				bits = <1 3>;
  			};
+
+			gpu_speed_bin: gpu_speed_bin@1d2 {
+				reg = <0x1d2 0x2>;
+				bits = <5 8>;
+			};
  		};
sdhc_1: sdhci@7c4000 {
@@ -1907,52 +1912,69 @@
  			operating-points-v2 = <&gpu_opp_table>;
  			qcom,gmu = <&gmu>;
+ nvmem-cells = <&gpu_speed_bin>;
+			nvmem-cell-names = "speed_bin";
+
  			interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
  			interconnect-names = "gfx-mem";
gpu_opp_table: opp-table {
  				compatible = "operating-points-v2";
+ opp-825000000 {
+					opp-hz = /bits/ 64 <825000000>;
+					opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
+					opp-peak-kBps = <8532000>;
+					opp-supported-hw = <0x04>;
+				};
+
  				opp-800000000 {
  					opp-hz = /bits/ 64 <800000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
  					opp-peak-kBps = <8532000>;
+					opp-supported-hw = <0x07>;
  				};
opp-650000000 {
  					opp-hz = /bits/ 64 <650000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
  					opp-peak-kBps = <7216000>;
+					opp-supported-hw = <0x07>;
  				};
opp-565000000 {
  					opp-hz = /bits/ 64 <565000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
  					opp-peak-kBps = <5412000>;
+					opp-supported-hw = <0x07>;
  				};
opp-430000000 {
  					opp-hz = /bits/ 64 <430000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
  					opp-peak-kBps = <5412000>;
+					opp-supported-hw = <0x07>;
  				};
opp-355000000 {
  					opp-hz = /bits/ 64 <355000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
  					opp-peak-kBps = <3072000>;
+					opp-supported-hw = <0x07>;
  				};
opp-267000000 {
  					opp-hz = /bits/ 64 <267000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
  					opp-peak-kBps = <3072000>;
+					opp-supported-hw = <0x07>;
  				};
opp-180000000 {
  					opp-hz = /bits/ 64 <180000000>;
  					opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
  					opp-peak-kBps = <1804000>;
+					opp-supported-hw = <0x07>;
  				};
  			};
  		};


A gentle ping.

-Akhil.

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