arm64: dts: apple: Add T602x GPU node

Signed-off-by: Asahi Lina <lina@asahilina.net>

Author: hoshinolina

arch/arm64/boot/dts/apple/t6020.dtsi

@@ -21,4 +21,11 @@
 
 &gpu {
 	compatible = "apple,agx-t6020", "apple,agx-g14x";
+
+	apple,avg-power-filter-tc-ms = <302>;
+	apple,avg-power-ki-only = <2.6375>;
+	apple,avg-power-kp = <0.18>;
+	apple,fast-die0-integral-gain = <1350.0>;
+	apple,ppm-filter-time-constant-ms = <32>;
+	apple,ppm-ki = <28.0>;
 };

arch/arm64/boot/dts/apple/t6021.dtsi

@@ -19,6 +19,9 @@
 #ifndef GPU_REPEAT
 # define GPU_REPEAT(x) <x x x x>
 #endif
+#ifndef GPU_DIE_REPEAT
+# define GPU_DIE_REPEAT(x) <x>
+#endif
 
 #include "t602x-common.dtsi"
 
@@ -90,4 +93,11 @@
 
 &gpu {
 	compatible = "apple,agx-t6021", "apple,agx-g14x";
+
+	apple,avg-power-filter-tc-ms = <300>;
+	apple,avg-power-ki-only = <1.5125>;
+	apple,avg-power-kp = <0.38>;
+	apple,fast-die0-integral-gain = <700.0>;
+	apple,ppm-filter-time-constant-ms = <34>;
+	apple,ppm-ki = <18.0>;
 };

arch/arm64/boot/dts/apple/t602x-common.dtsi

@@ -9,6 +9,10 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		gpu = &gpu;
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -434,6 +438,80 @@
 		};
 	};
 
+	gpu_cs_opp: opp-table-gpu-cs {
+		compatible = "operating-points-v2";
+
+		/*
+		 * NOTE: The voltage and power values are device-specific and
+		 * must be filled in by the bootloader.
+		 */
+		opp00 {
+			opp-hz = /bits/ 64 <24>;
+			opp-microvolt = GPU_DIE_REPEAT(668000);
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <444000000>;
+			opp-microvolt = GPU_DIE_REPEAT(668000);
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <612000000>;
+			opp-microvolt = GPU_DIE_REPEAT(678000);
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <808000000>;
+			opp-microvolt = GPU_DIE_REPEAT(737000);
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <1024000000>;
+			opp-microvolt = GPU_DIE_REPEAT(815000);
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1140000000>;
+			opp-microvolt = GPU_DIE_REPEAT(862000);
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1236000000>;
+			opp-microvolt = GPU_DIE_REPEAT(893000);
+		};
+	};
+
+	gpu_afr_opp: opp-table-gpu-afr {
+		compatible = "operating-points-v2";
+
+		/*
+		 * NOTE: The voltage and power values are device-specific and
+		 * must be filled in by the bootloader.
+		 */
+		opp00 {
+			opp-hz = /bits/ 64 <24>;
+			opp-microvolt = GPU_DIE_REPEAT(668000);
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = GPU_DIE_REPEAT(668000);
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <552000000>;
+			opp-microvolt = GPU_DIE_REPEAT(678000);
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <760000000>;
+			opp-microvolt = GPU_DIE_REPEAT(737000);
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <980000000>;
+			opp-microvolt = GPU_DIE_REPEAT(815000);
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1098000000>;
+			opp-microvolt = GPU_DIE_REPEAT(862000);
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1200000000>;
+			opp-microvolt = GPU_DIE_REPEAT(893000);
+		};
+	};
+
 	pmu-e {
 		compatible = "apple,blizzard-pmu";
 		interrupt-parent = <&aic>;

arch/arm64/boot/dts/apple/t602x-die0.dtsi

@@ -593,8 +593,51 @@
 		apple,firmware-compat = <0 0 0>;
 
 		operating-points-v2 = <&gpu_opp>;
-		/* TODO perf stuff */
+		apple,cs-opp = <&gpu_cs_opp>;
+		apple,afr-opp = <&gpu_afr_opp>;
+
+		apple,min-sram-microvolt = <790000>;
+		apple,csafr-min-sram-microvolt = <812000>;
 		apple,perf-base-pstate = <1>;
+
+		apple,avg-power-min-duty-cycle = <40>;
+		apple,avg-power-target-filter-tc = <1>;
+		apple,fast-die0-proportional-gain = <34.0>;
+		apple,perf-boost-ce-step = <50>;
+		apple,perf-boost-min-util = <90>;
+		apple,perf-filter-drop-threshold = <0>;
+		apple,perf-filter-time-constant = <5>;
+		apple,perf-filter-time-constant2 = <200>;
+		apple,perf-integral-gain = <1.62>;
+		apple,perf-integral-gain2 = <1.62>;
+		apple,perf-integral-min-clamp = <0>;
+		apple,perf-proportional-gain2 = <5.4>;
+		apple,perf-proportional-gain = <5.4>;
+		apple,perf-tgt-utilization = <85>;
+		apple,power-sample-period = <8>;
+		apple,ppm-filter-time-constant-ms = <34>;
+		apple,ppm-ki = <18.0>;
+		apple,ppm-kp = <0.1>;
+		apple,pwr-filter-time-constant = <313>;
+		apple,pwr-integral-gain = <0.0202129>;
+		apple,pwr-integral-min-clamp = <0>;
+		apple,pwr-min-duty-cycle = <40>;
+		apple,pwr-proportional-gain = <5.2831855>;
+		apple,pwr-sample-period-aic-clks = <200000>;
+		apple,se-engagement-criteria = <700>;
+		apple,se-filter-time-constant = <9>;
+		apple,se-filter-time-constant-1 = <3>;
+		apple,se-inactive-threshold = <2500>;
+		apple,se-ki = <-50.0>;
+		apple,se-ki-1 = <-100.0>;
+		apple,se-kp = <-5.0>;
+		apple,se-kp-1 = <-10.0>;
+		apple,se-reset-criteria = <50>;
+
+		apple,core-leak-coef = GPU_REPEAT(1200.0);
+		apple,sram-leak-coef = GPU_REPEAT(20.0);
+		apple,cs-leak-coef = GPU_DIE_REPEAT(400.0);
+		apple,afr-leak-coef = GPU_DIE_REPEAT(200.0);
 	};
 
 	agx_mbox: mbox@406408000 {