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AM_GOVERNOR controls GPU frequency. The GPU node does not accept OPP, cooling or GPU supply properties. Signed-off-by: Karunika Choo --- v2: - Move arm,mali-gen5-am support from arm,mali-valhall-csf.yaml to a separate arm,mali-gen5-am.yaml schema. - Move the AM GPU example to the new schema and add the interrupt binding headers. - Add the new schema to the Panthor MAINTAINERS entry. .../bindings/gpu/arm,mali-gen5-am.yaml | 90 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-gen5-am.yaml diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am.yaml new file mode 100644 index 0000000000000..6349888e1ae2a --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/arm,mali-gen5-am.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Mali 5th Gen AM GPU + +maintainers: + - Liviu Dudau + - Boris Brezillon + +properties: + $nodename: + pattern: '^gpu@[a-f0-9]+$' + + compatible: + const: arm,mali-gen5-am + + reg: + maxItems: 1 + + interrupts: + items: + - description: Job interrupt + - description: MMU interrupt + - description: GPU interrupt + + interrupt-names: + items: + - const: job + - const: mmu + - const: gpu + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + minItems: 1 + items: + - const: core + - enum: + - coregroup + - stacks + - const: stacks + + nvmem-cells: + items: + - description: bitmask of functional shader cores + + nvmem-cell-names: + items: + - const: shader-present + + power-domains: + minItems: 1 + maxItems: 5 + + power-domain-names: + minItems: 1 + maxItems: 5 + + dma-coherent: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + + gpu@100000 { + compatible = "arm,mali-gen5-am"; + reg = <0x100000 0x480000>; + interrupts = , + , + ; + interrupt-names = "job", "mmu", "gpu"; + clocks = <&gpu_clock 0>, <&gpu_clock 1>, <&gpu_clock 2>; + clock-names = "core", "coregroup", "stacks"; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 1c3aec082b0ab..bdf3cc1044c3e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2400,6 +2400,7 @@ M: Liviu Dudau L: dri-devel@lists.freedesktop.org S: Supported T: git https://gitlab.freedesktop.org/drm/misc/kernel.git +F: Documentation/devicetree/bindings/gpu/arm,mali-gen5-am*.yaml F: Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml F: drivers/gpu/drm/ci/xfails/panthor* F: drivers/gpu/drm/panthor/ -- 2.43.0