arm64: dts: apple: Add Apple SoC GPU

Add device tree entries for GPUs in M-series SoCs

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Sven Peter <sven@kernel.org>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250710-sgx-dt-v3-2-299bb3a65109@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>

Author: WhatAmISupposedToPutHere

arch/arm64/boot/dts/apple/t6000.dtsi

@@ -16,3 +16,7 @@
 };
 
 /delete-node/ &pmgr_south;
+
+&gpu {
+	compatible = "apple,agx-g13s";
+};

arch/arm64/boot/dts/apple/t6001.dtsi

@@ -62,3 +62,7 @@
 		};
 	};
 };
+
+&gpu {
+	compatible = "apple,agx-g13c", "apple,agx-g13s";
+};

arch/arm64/boot/dts/apple/t6002.dtsi

@@ -300,3 +300,7 @@
 	// On t6002, the die0 GPU power domain needs both AFR power domains
 	power-domains = <&ps_afr>, <&ps_afr_die1>;
 };
+
+&gpu {
+	compatible = "apple,agx-g13d", "apple,agx-g13s";
+};

arch/arm64/boot/dts/apple/t600x-common.dtsi

@@ -11,6 +11,10 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		gpu = &gpu;
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -378,4 +382,34 @@
 		#clock-cells = <0>;
 		clock-output-names = "nco_ref";
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		gpu_globals: globals {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_a: hw-cal-a {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_b: hw-cal-b {
+			status = "disabled";
+		};
+
+		uat_handoff: uat-handoff {
+			status = "disabled";
+		};
+
+		uat_pagetables: uat-pagetables {
+			status = "disabled";
+		};
+
+		uat_ttbs: uat-ttbs {
+			status = "disabled";
+		};
+	};
 };

arch/arm64/boot/dts/apple/t600x-die0.dtsi

@@ -302,6 +302,34 @@
 		#sound-dai-cells = <1>;
 	};
 
+	gpu: gpu@406400000 {
+		compatible = "apple,agx-g13s";
+		reg = <0x4 0x6400000 0 0x40000>,
+			<0x4 0x4000000 0 0x1000000>;
+		reg-names = "asc", "sgx";
+		mboxes = <&agx_mbox>;
+		power-domains = <&ps_gfx>;
+		memory-region = <&uat_ttbs>, <&uat_pagetables>, <&uat_handoff>,
+				<&gpu_hw_cal_a>, <&gpu_hw_cal_b>, <&gpu_globals>;
+		memory-region-names = "ttbs", "pagetables", "handoff",
+				      "hw-cal-a", "hw-cal-b", "globals";
+
+		apple,firmware-abi = <0 0 0>;
+	};
+
+	agx_mbox: mbox@406408000 {
+		compatible = "apple,t6000-asc-mailbox", "apple,asc-mailbox-v4";
+		reg = <0x4 0x6408000 0x0 0x4000>;
+		interrupt-parent = <&aic>;
+		interrupts = <AIC_IRQ 0 1059 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ 0 1060 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ 0 1061 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ 0 1062 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "send-empty", "send-not-empty",
+			"recv-empty", "recv-not-empty";
+		#mbox-cells = <0>;
+	};
+
 	pcie0_dart_0: iommu@581008000 {
 		compatible = "apple,t6000-dart";
 		reg = <0x5 0x81008000 0x0 0x4000>;

arch/arm64/boot/dts/apple/t8103.dtsi

@@ -19,6 +19,10 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		gpu = &gpu;
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -351,6 +355,36 @@
 		clock-output-names = "nco_ref";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		gpu_globals: globals {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_a: hw-cal-a {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_b: hw-cal-b {
+			status = "disabled";
+		};
+
+		uat_handoff: uat-handoff {
+			status = "disabled";
+		};
+
+		uat_pagetables: uat-pagetables {
+			status = "disabled";
+		};
+
+		uat_ttbs: uat-ttbs {
+			status = "disabled";
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -359,6 +393,34 @@
 		ranges;
 		nonposted-mmio;
 
+		gpu: gpu@206400000 {
+			compatible = "apple,agx-g13g";
+			reg = <0x2 0x6400000 0 0x40000>,
+				<0x2 0x4000000 0 0x1000000>;
+			reg-names = "asc", "sgx";
+			mboxes = <&agx_mbox>;
+			power-domains = <&ps_gfx>;
+			memory-region = <&uat_ttbs>, <&uat_pagetables>, <&uat_handoff>,
+					<&gpu_hw_cal_a>, <&gpu_hw_cal_b>, <&gpu_globals>;
+			memory-region-names = "ttbs", "pagetables", "handoff",
+					      "hw-cal-a", "hw-cal-b", "globals";
+
+			apple,firmware-abi = <0 0 0>;
+		};
+
+		agx_mbox: mbox@206408000 {
+			compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4";
+			reg = <0x2 0x6408000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 575 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 576 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 577 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 578 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "send-empty", "send-not-empty",
+				"recv-empty", "recv-not-empty";
+			#mbox-cells = <0>;
+		};
+
 		cpufreq_e: performance-controller@210e20000 {
 			compatible = "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
 			reg = <0x2 0x10e20000 0 0x1000>;

arch/arm64/boot/dts/apple/t8112.dtsi

@@ -19,6 +19,10 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		gpu = &gpu;
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -366,6 +370,36 @@
 		clock-output-names = "nco_ref";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		gpu_globals: globals {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_a: hw-cal-a {
+			status = "disabled";
+		};
+
+		gpu_hw_cal_b: hw-cal-b {
+			status = "disabled";
+		};
+
+		uat_handoff: uat-handoff {
+			status = "disabled";
+		};
+
+		uat_pagetables: uat-pagetables {
+			status = "disabled";
+		};
+
+		uat_ttbs: uat-ttbs {
+			status = "disabled";
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -374,6 +408,34 @@
 		ranges;
 		nonposted-mmio;
 
+		gpu: gpu@206400000 {
+			compatible = "apple,agx-g14g";
+			reg = <0x2 0x6400000 0 0x40000>,
+				<0x2 0x4000000 0 0x1000000>;
+			reg-names = "asc", "sgx";
+			mboxes = <&agx_mbox>;
+			power-domains = <&ps_gfx>;
+			memory-region = <&uat_ttbs>, <&uat_pagetables>, <&uat_handoff>,
+					<&gpu_hw_cal_a>, <&gpu_hw_cal_b>, <&gpu_globals>;
+			memory-region-names = "ttbs", "pagetables", "handoff",
+					      "hw-cal-a", "hw-cal-b", "globals";
+
+			apple,firmware-abi = <0 0 0>;
+		};
+
+		agx_mbox: mbox@206408000 {
+			compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4";
+			reg = <0x2 0x6408000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 709 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 710 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 711 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 712 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "send-empty", "send-not-empty",
+				"recv-empty", "recv-not-empty";
+			#mbox-cells = <0>;
+		};
+
 		cpufreq_e: cpufreq@210e20000 {
 			compatible = "apple,t8112-cluster-cpufreq", "apple,cluster-cpufreq";
 			reg = <0x2 0x10e20000 0 0x1000>;