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Diffstat (limited to 'Documentation/devicetree/bindings/gpu/nvidia,gk20a.yaml')
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diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.yaml b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.yaml new file mode 100644 index 000000000000..4d856a8b674c --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/nvidia,gk20a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra Graphics Processing Units + +maintainers: + - Alexandre Courbot <acourbot@nvidia.com> + - Jon Hunter <jonathanh@nvidia.com> + - Thierry Reding <treding@nvidia.com> + +properties: + compatible: + enum: + - nvidia,gk20a + - nvidia,gm20b + - nvidia,gp10b + - nvidia,gv11b + + reg: + items: + - description: Bar0 register window + - description: Bar1 register window + + interrupts: + items: + - description: Stall interrupt + - description: Nonstall interrupt + + interrupt-names: + items: + - const: stall + - const: nonstall + + vdd-supply: + description: + Regulator for GPU supply voltage + + clocks: + minItems: 2 + items: + - description: GPU clock + - description: Power clock + - description: Reference or fuse clock + + clock-names: + minItems: 2 + items: + - const: gpu + - const: pwr + - enum: [ ref, fuse ] + + resets: + maxItems: 1 + + reset-names: + items: + - const: gpu + + power-domains: + maxItems: 1 + + interconnects: + minItems: 4 + maxItems: 12 + + interconnect-names: + minItems: 4 + maxItems: 12 + + iommus: + maxItems: 1 + + dma-coherent: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - resets + - reset-names + +allOf: + - if: + properties: + compatible: + contains: + enum: + - nvidia,gp10b + - nvidia,gv11b + then: + required: + - power-domains + else: + properties: + interconnects: false + interconnect-names: false + + required: + - vdd-supply + - if: + properties: + compatible: + contains: + enum: + - nvidia,gp10b + then: + properties: + interconnects: + maxItems: 4 + + interconnect-names: + items: + - const: dma-mem + - const: write-0 + - const: read-1 + - const: write-1 + - if: + properties: + compatible: + contains: + enum: + - nvidia,gv11b + then: + properties: + interconnects: + minItems: 12 + + interconnect-names: + items: + - const: dma-mem + - const: read-0-hp + - const: write-0 + - const: read-1 + - const: read-1-hp + - const: write-1 + - const: read-2 + - const: read-2-hp + - const: write-2 + - const: read-3 + - const: read-3-hp + - const: write-3 + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/tegra124-car-common.h> + #include <dt-bindings/memory/tegra124-mc.h> + + gpu@57000000 { + compatible = "nvidia,gk20a"; + reg = <0x57000000 0x01000000>, + <0x58000000 0x01000000>; + interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "stall", "nonstall"; + vdd-supply = <&vdd_gpu>; + clocks = <&tegra_car TEGRA124_CLK_GPU>, + <&tegra_car TEGRA124_CLK_PLL_P_OUT5>; + clock-names = "gpu", "pwr"; + resets = <&tegra_car 184>; + reset-names = "gpu"; + iommus = <&mc TEGRA_SWGROUP_GPU>; + }; |