[PATCH v2 2/2] arm64: dts: Add Apple SoC GPU
From: Sasha Finkelstein via B4 Relay <devnull+fnkl.kernel.gmail.com@kernel.org>
Date: 2025-06-13 21:17:12
Also in:
asahi, b4-sent, dri-devel, linux-devicetree, lkml
Subsystem:
arm/apple machine support, the rest · Maintainers:
Sven Peter, Janne Grunau, Linus Torvalds
From: Sasha Finkelstein <redacted> Add device tree entries for GPUs in M-series SoCs Reviewed-by: Alyssa Rosenzweig <redacted> Reviewed-by: Sven Peter <sven@kernel.org> Signed-off-by: Sasha Finkelstein <redacted> --- 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@39b600000 { #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>;
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@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>;
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@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>;
--
2.49.0