linux-kernel - [PATCH 1/4] arm64: dts: qcom: sm6115: Add GPU nodes

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Message-Id: <20230620-topic-gpu_tablet_disp-v1-1-7bb02bec8dc0@linaro.org>
Date:   Tue, 20 Jun 2023 15:17:45 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 1/4] arm64: dts: qcom: sm6115: Add GPU nodes

Introduce nodes for the A610 GPU and its GMU wrapper along with the
speedbin fuse entry in QFPROM.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm6115.dtsi | 103 +++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 55118577bf92..424b4f3c909b 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -865,6 +865,11 @@ qusb2_hstx_trim: hstx-trim@25b {
 				reg = <0x25b 0x1>;
 				bits = <1 4>;
 			};
+
+			gpu_speed_bin: gpu-speed-bin@...6 {
+				reg = <0x6006 0x2>;
+				bits = <5 8>;
+			};
 		};
 
 		rng: rng@...3000 {
@@ -1316,6 +1321,104 @@ usb_dwc3: usb@...0000 {
 			};
 		};
 
+		gpu: gpu@...0000 {
+			compatible = "qcom,adreno-610.0", "qcom,adreno";
+			reg = <0x0 0x05900000 0x0 0x40000>;
+			reg-names = "kgsl_3d0_reg_memory";
+
+			/* There's no (real) GMU, so we have to handle quite a bunch of clocks! */
+			clocks = <&gpucc GPU_CC_GX_GFX3D_CLK>,
+				 <&gpucc GPU_CC_AHB_CLK>,
+				 <&gcc GCC_BIMC_GPU_AXI_CLK>,
+				 <&gcc GCC_GPU_MEMNOC_GFX_CLK>,
+				 <&gpucc GPU_CC_CX_GMU_CLK>,
+				 <&gpucc GPU_CC_CXO_CLK>;
+			clock-names = "core",
+				      "iface",
+				      "mem_iface",
+				      "alt_mem_iface",
+				      "gmu",
+				      "xo";
+
+			interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
+
+			iommus = <&adreno_smmu 0 1>;
+			operating-points-v2 = <&gpu_opp_table>;
+			power-domains = <&rpmpd SM6115_VDDCX>;
+			qcom,gmu = <&gmu_wrapper>;
+
+			nvmem-cells = <&gpu_speed_bin>;
+			nvmem-cell-names = "speed_bin";
+
+			status = "disabled";
+
+			zap-shader {
+				memory-region = <&pil_gpu_mem>;
+			};
+
+			gpu_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-320000000 {
+					opp-hz = /bits/ 64 <320000000>;
+					required-opps = <&rpmpd_opp_low_svs>;
+					opp-supported-hw = <0x1f>;
+				};
+
+				opp-465000000 {
+					opp-hz = /bits/ 64 <465000000>;
+					required-opps = <&rpmpd_opp_svs>;
+					opp-supported-hw = <0x1f>;
+				};
+
+				opp-600000000 {
+					opp-hz = /bits/ 64 <600000000>;
+					required-opps = <&rpmpd_opp_svs_plus>;
+					opp-supported-hw = <0x1f>;
+				};
+
+				opp-745000000 {
+					opp-hz = /bits/ 64 <745000000>;
+					required-opps = <&rpmpd_opp_nom>;
+					opp-supported-hw = <0xf>;
+				};
+
+				opp-820000000 {
+					opp-hz = /bits/ 64 <820000000>;
+					required-opps = <&rpmpd_opp_nom_plus>;
+					opp-supported-hw = <0x7>;
+				};
+
+				opp-900000000 {
+					opp-hz = /bits/ 64 <900000000>;
+					required-opps = <&rpmpd_opp_turbo>;
+					opp-supported-hw = <0x7>;
+				};
+
+				/* Speed bin 2 can reach 950 Mhz instead of 980 like the rest. */
+				opp-950000000 {
+					opp-hz = /bits/ 64 <950000000>;
+					required-opps = <&rpmpd_opp_turbo_plus>;
+					opp-supported-hw = <0x4>;
+				};
+
+				opp-980000000 {
+					opp-hz = /bits/ 64 <980000000>;
+					required-opps = <&rpmpd_opp_turbo_plus>;
+					opp-supported-hw = <0x3>;
+				};
+			};
+		};
+
+		gmu_wrapper: gmu@...a000 {
+			compatible = "qcom,adreno-gmu-wrapper";
+			reg = <0x0 0x0596a000 0x0 0x30000>;
+			reg-names = "gmu";
+			power-domains = <&gpucc GPU_CX_GDSC>,
+					<&gpucc GPU_GX_GDSC>;
+			power-domain-names = "cx", "gx";
+		};
+
 		gpucc: clock-controller@...0000 {
 			compatible = "qcom,sm6115-gpucc";
 			reg = <0x0 0x05990000 0x0 0x9000>;

-- 
2.41.0