* [PATCH v2 1/2] dt-bindings: gpu: Add Apple SoC GPU
2025-06-13 21:17 [PATCH v2 0/2] Bindings and DTS for Apple SoC GPUs Sasha Finkelstein via B4 Relay
@ 2025-06-13 21:17 ` Sasha Finkelstein via B4 Relay
2025-06-21 16:03 ` Sven Peter
2025-06-26 23:27 ` Rob Herring (Arm)
2025-06-13 21:17 ` [PATCH v2 2/2] arm64: dts: " Sasha Finkelstein via B4 Relay
1 sibling, 2 replies; 5+ messages in thread
From: Sasha Finkelstein via B4 Relay @ 2025-06-13 21:17 UTC (permalink / raw)
To: Sven Peter, Janne Grunau, Alyssa Rosenzweig, Neal Gompa,
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley
Cc: asahi, linux-arm-kernel, dri-devel, devicetree, linux-kernel,
Sasha Finkelstein
From: Sasha Finkelstein <fnkl.kernel@gmail.com>
Add bindings for the GPU present in Apple SoCs
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
---
Documentation/devicetree/bindings/gpu/apple,agx.yaml | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 95 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpu/apple,agx.yaml b/Documentation/devicetree/bindings/gpu/apple,agx.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..51629b3833b0a8c296eaccdfd6d9eeef02a5bc63
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/apple,agx.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpu/apple,agx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple SoC GPU
+
+maintainers:
+ - Sasha Finkelstein <fnkl.kernel@gmail.com>
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - apple,agx-g13g
+ - apple,agx-g13s
+ - apple,agx-g14g
+ - items:
+ - enum:
+ - apple,agx-g13c
+ - apple,agx-g13d
+ - const: apple,agx-g13s
+
+ reg:
+ items:
+ - description: GPU coprocessor control registers
+ - description: GPU block MMIO registers
+
+ reg-names:
+ items:
+ - const: asc
+ - const: sgx
+
+ power-domains:
+ maxItems: 1
+
+ mboxes:
+ maxItems: 1
+
+ memory-region:
+ items:
+ - description: Region containing GPU MMU TTBs
+ - description: Region containing GPU MMU page tables
+ - description:
+ Region containing a shared handoff structure for VM
+ management coordination
+ - description: Calibration blob. Mostly power-related configuration
+ - description: Calibration blob. Mostly GPU-related configuration
+ - description: Shared global variables with GPU firmware
+
+ memory-region-names:
+ items:
+ - const: ttbs
+ - const: pagetables
+ - const: handoff
+ - const: hw-cal-a
+ - const: hw-cal-b
+ - const: globals
+
+ apple,firmware-abi:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 3
+ description:
+ macOS version the current firmware is paired with, used to pick
+ the version of firmware ABI to be used.
+ Bootloader will overwrite this
+
+required:
+ - compatible
+ - reg
+ - mboxes
+ - memory-region
+ - apple,firmware-abi
+
+additionalProperties: false
+
+examples:
+ - |
+ gpu@6400000 {
+ compatible = "apple,agx-g13g";
+ reg = <0x6400000 0x40000>,
+ <0x4000000 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>;
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a92290fffa163f9fe8fe3f04bf66426f9a894409..2a32c9c4ee355a1109a3e2031ea3663c39cc8c68 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2331,6 +2331,7 @@ F: Documentation/devicetree/bindings/arm/apple/*
F: Documentation/devicetree/bindings/clock/apple,nco.yaml
F: Documentation/devicetree/bindings/cpufreq/apple,cluster-cpufreq.yaml
F: Documentation/devicetree/bindings/dma/apple,admac.yaml
+F: Documentation/devicetree/bindings/gpu/apple,agx.yaml
F: Documentation/devicetree/bindings/i2c/apple,i2c.yaml
F: Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml
F: Documentation/devicetree/bindings/interrupt-controller/apple,*
--
2.49.0
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v2 2/2] arm64: dts: Add Apple SoC GPU
2025-06-13 21:17 [PATCH v2 0/2] Bindings and DTS for Apple SoC GPUs Sasha Finkelstein via B4 Relay
2025-06-13 21:17 ` [PATCH v2 1/2] dt-bindings: gpu: Add Apple SoC GPU Sasha Finkelstein via B4 Relay
@ 2025-06-13 21:17 ` Sasha Finkelstein via B4 Relay
1 sibling, 0 replies; 5+ messages in thread
From: Sasha Finkelstein via B4 Relay @ 2025-06-13 21:17 UTC (permalink / raw)
To: Sven Peter, Janne Grunau, Alyssa Rosenzweig, Neal Gompa,
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley
Cc: asahi, linux-arm-kernel, dri-devel, devicetree, linux-kernel,
Sasha Finkelstein
From: Sasha Finkelstein <fnkl.kernel@gmail.com>
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>
---
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
^ permalink raw reply related [flat|nested] 5+ messages in thread