arm64: dts: qcom: msm8953: Add GPU

Add the GPU node for the Adreno 506 found on this family of SoCs. The
clock speeds are a bit different per SoC variant, SDM450 maxes out at
600MHz while MSM8953 (= SDM625) goes up to 650MHz and SDM632 goes up to
725MHz.

To achieve this, create a new sdm450.dtsi to hold the 600MHz OPP and
use the new dtsi for sdm450-motorola-ali.

Signed-off-by: Vladimir Lypak <vladimir.lypak@gmail.com>
Co-developed-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240125-msm8953-gpu-v1-2-f6493a5951f3@z3ntu.xyz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/msm8953.dtsi

@@ -1046,6 +1046,94 @@
 			};
 		};
 
+		gpu: gpu@1c00000 {
+			compatible = "qcom,adreno-506.0", "qcom,adreno";
+			reg = <0x01c00000 0x40000>;
+			reg-names = "kgsl_3d0_reg_memory";
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+
+			clocks = <&gcc GCC_OXILI_GFX3D_CLK>,
+				 <&gcc GCC_OXILI_AHB_CLK>,
+				 <&gcc GCC_BIMC_GFX_CLK>,
+				 <&gcc GCC_BIMC_GPU_CLK>,
+				 <&gcc GCC_OXILI_TIMER_CLK>,
+				 <&gcc GCC_OXILI_AON_CLK>;
+			clock-names = "core",
+				      "iface",
+				      "mem_iface",
+				      "alt_mem_iface",
+				      "rbbmtimer",
+				      "alwayson";
+			power-domains = <&gcc OXILI_GX_GDSC>;
+
+			iommus = <&gpu_iommu 0>;
+			operating-points-v2 = <&gpu_opp_table>;
+
+			#cooling-cells = <2>;
+
+			status = "disabled";
+
+			zap-shader {
+				memory-region = <&zap_shader_region>;
+			};
+
+			gpu_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-19200000 {
+					opp-hz = /bits/ 64 <19200000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_min_svs>;
+				};
+
+				opp-133300000 {
+					opp-hz = /bits/ 64 <133300000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_min_svs>;
+				};
+
+				opp-216000000 {
+					opp-hz = /bits/ 64 <216000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_low_svs>;
+				};
+
+				opp-320000000 {
+					opp-hz = /bits/ 64 <320000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_svs>;
+				};
+
+				opp-400000000 {
+					opp-hz = /bits/ 64 <400000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_svs_plus>;
+				};
+
+				opp-510000000 {
+					opp-hz = /bits/ 64 <510000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_nom>;
+				};
+
+				opp-560000000 {
+					opp-hz = /bits/ 64 <560000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_nom_plus>;
+				};
+
+				/*
+				 * This opp is only available on msm8953 and
+				 * sdm632, the max for sdm450 is 600MHz.
+				 */
+				opp-650000000 {
+					opp-hz = /bits/ 64 <650000000>;
+					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp_turbo>;
+				};
+			};
+		};
+
 		gpu_iommu: iommu@1c48000 {
 			compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
 			ranges = <0 0x01c48000 0x8000>;
@@ -2048,6 +2136,33 @@
 				};
 			};
 		};
+
+		gpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&tsens0 15>;
+
+			trips {
+				gpu_alert: trip-point0 {
+					temperature = <70000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_crit: crit {
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
 	};
 
 	timer {

arch/arm64/boot/dts/qcom/sdm450-motorola-ali.dts

@@ -4,7 +4,7 @@
  */
 /dts-v1/;
 
-#include "msm8953.dtsi"
+#include "sdm450.dtsi"
 #include "pm8953.dtsi"
 #include "pmi8950.dtsi"
 

arch/arm64/boot/dts/qcom/sdm450.dtsi

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/* Copyright (c) 2023, Luca Weiss <luca@z3ntu.xyz> */
+
+#include "msm8953.dtsi"
+
+&gpu_opp_table {
+	/delete-node/ opp-650000000;
+
+	opp-600000000 {
+		opp-hz = /bits/ 64 <600000000>;
+		opp-supported-hw = <0xff>;
+		required-opps = <&rpmpd_opp_turbo>;
+	};
+};

arch/arm64/boot/dts/qcom/sdm632.dtsi

@@ -79,3 +79,11 @@
 	compatible = "qcom,kryo250";
 	capacity-dmips-mhz = <1980>;
 };
+
+&gpu_opp_table {
+	opp-725000000 {
+		opp-hz = /bits/ 64 <725000000>;
+		opp-supported-hw = <0xff>;
+		required-opps = <&rpmpd_opp_turbo>;
+	};
+};