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Wed, 9 Jul 2025 22:21:49 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Thu, 10 Jul 2025 00:21:44 +0200 Subject: [PATCH v3 1/2] dt-bindings: gpu: Add Apple SoC GPU Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250710-sgx-dt-v3-1-299bb3a65109@gmail.com> References: <20250710-sgx-dt-v3-0-299bb3a65109@gmail.com> In-Reply-To: <20250710-sgx-dt-v3-0-299bb3a65109@gmail.com> 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@lists.linux.dev, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1752099708; l=4053; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=ueufFqm5JgZMrOUFrDIeyDT9kbQhcJKg9fq4FWQiRKE=; b=+EwYGwIf1NLULyxb8K2xiug6EM5dpNzuQx4Jaj/shI8W4CfRAdYUWDxgWPFq7k1d9J1USpyN4 ts+svCeFOh2AiWYPs60IxGgg/m1AD6VFlD61HbJbdTdvtRh9QXg1ke3 X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein Reply-To: fnkl.kernel@gmail.com From: Sasha Finkelstein Add bindings for the GPU present in Apple SoCs Reviewed-by: Rob Herring (Arm) Reviewed-by: Sven Peter Signed-off-by: Sasha Finkelstein --- 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/Documen= tation/devicetree/bindings/gpu/apple,agx.yaml new file mode 100644 index 0000000000000000000000000000000000000000..51629b3833b0a8c296eaccdfd6d= 9eeef02a5bc63 --- /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 + +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 =3D "apple,agx-g13g"; + reg =3D <0x6400000 0x40000>, + <0x4000000 0x1000000>; + reg-names =3D "asc", "sgx"; + mboxes =3D <&agx_mbox>; + power-domains =3D <&ps_gfx>; + memory-region =3D <&uat_ttbs>, <&uat_pagetables>, <&uat_handoff>, + <&gpu_hw_cal_a>, <&gpu_hw_cal_b>, <&gpu_globals>; + memory-region-names =3D "ttbs", "pagetables", "handoff", + "hw-cal-a", "hw-cal-b", "globals"; + + apple,firmware-abi =3D <0 0 0>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index a92290fffa163f9fe8fe3f04bf66426f9a894409..2a32c9c4ee355a1109a3e2031ea= 3663c39cc8c68 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,* --=20 2.50.1