[PATCH v2 2/2] arm64: dts: Add Apple SoC GPU
Sasha Finkelstein via B4 Relay
devnull+fnkl.kernel.gmail.com at kernel.org
Fri Jun 13 21:17:08 UTC 2025
From: Sasha Finkelstein <fnkl.kernel at gmail.com>
Add device tree entries for GPUs in M-series SoCs
Reviewed-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
Reviewed-by: Sven Peter <sven at kernel.org>
Signed-off-by: Sasha Finkelstein <fnkl.kernel at gmail.com>
---
arch/arm64/boot/dts/apple/t6000.dtsi | 4 ++++
arch/arm64/boot/dts/apple/t6001.dtsi | 4 ++++
arch/arm64/boot/dts/apple/t6002.dtsi | 4 ++++
arch/arm64/boot/dts/apple/t600x-common.dtsi | 34 ++++++++++++++++++++++++++++++++++
arch/arm64/boot/dts/apple/t600x-die0.dtsi | 28 ++++++++++++++++++++++++++++
arch/arm64/boot/dts/apple/t8103.dtsi | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
arch/arm64/boot/dts/apple/t8112.dtsi | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
7 files changed, 198 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t6000.dtsi b/arch/arm64/boot/dts/apple/t6000.dtsi
index 89c3b211b116e96ee0a5ea0c923c3ab824008307..0ad77c98073fe65ddde7736acaece9acd5f3111e 100644
--- a/arch/arm64/boot/dts/apple/t6000.dtsi
+++ b/arch/arm64/boot/dts/apple/t6000.dtsi
@@ -16,3 +16,7 @@ / {
};
/delete-node/ &pmgr_south;
+
+&gpu {
+ compatible = "apple,agx-g13s";
+};
diff --git a/arch/arm64/boot/dts/apple/t6001.dtsi b/arch/arm64/boot/dts/apple/t6001.dtsi
index d2cf81926f284ccf7627701cc82edff31d4d72d6..ffbe823b71bc8d9c0975524aa04efa9bf520a89e 100644
--- a/arch/arm64/boot/dts/apple/t6001.dtsi
+++ b/arch/arm64/boot/dts/apple/t6001.dtsi
@@ -62,3 +62,7 @@ p-core-pmu-affinity {
};
};
};
+
+&gpu {
+ compatible = "apple,agx-g13c", "apple,agx-g13s";
+};
diff --git a/arch/arm64/boot/dts/apple/t6002.dtsi b/arch/arm64/boot/dts/apple/t6002.dtsi
index e36f422d257d8fe3a62bfa6e0f0e0dc6c34608a4..8fb648836b538bbd9efdccd6cec5d08d868a0d39 100644
--- a/arch/arm64/boot/dts/apple/t6002.dtsi
+++ b/arch/arm64/boot/dts/apple/t6002.dtsi
@@ -300,3 +300,7 @@ &ps_gfx {
// 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";
+};
diff --git a/arch/arm64/boot/dts/apple/t600x-common.dtsi b/arch/arm64/boot/dts/apple/t600x-common.dtsi
index 87dfc13d74171f62bf3087401918d9d41eaac560..e20234ef213538f851d9da0dbd11b318831668b1 100644
--- a/arch/arm64/boot/dts/apple/t600x-common.dtsi
+++ b/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 @@ nco_clkref: clock-ref-nco {
#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";
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
index 110bc6719512e334e04b496fb157cb4368679957..341307330bfaa17b276d9c23a87931dbe71bd186 100644
--- a/arch/arm64/boot/dts/apple/t600x-die0.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
@@ -302,6 +302,34 @@ mca: mca at 39b600000 {
#sound-dai-cells = <1>;
};
+ gpu: gpu at 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 at 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 at 581008000 {
compatible = "apple,t6000-dart";
reg = <0x5 0x81008000 0x0 0x4000>;
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 20faf0c0d80927b2e18dd966a61b5507b322c72f..531cfcd463ae6d8701dec67cde8c953b8865eef6 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/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 @@ nco_clkref: clock-ref-nco {
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 @@ soc {
ranges;
nonposted-mmio;
+ gpu: gpu at 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 at 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 at 210e20000 {
compatible = "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
reg = <0x2 0x10e20000 0 0x1000>;
diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index e95711d8337f6cea898e88a3d564caf2c4f94404..b41b9f8fa122b13b9bf20dcb7135049e11e1819f 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/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 @@ nco_clkref: clock-ref-nco {
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 @@ soc {
ranges;
nonposted-mmio;
+ gpu: gpu at 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 at 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 at 210e20000 {
compatible = "apple,t8112-cluster-cpufreq", "apple,cluster-cpufreq";
reg = <0x2 0x10e20000 0 0x1000>;
--
2.49.0
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