Add devicetree schema for Arm Mali Valhall GPU

Define a compatible string for the Mali Valhall GPU for MediaTek's SoC platform.

Signed-off-by: Nick Fan Nick.Fan@mediatek.com --- .../bindings/gpu/arm,mali-valhall.yaml | 201 ++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml new file mode 100644 index 000000000000..526384d1e3ff --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml @@ -0,0 +1,201 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/arm,mali-valhall.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Mali Valhall GPU + +maintainers: + - Rob Herring robh@kernel.org + +properties: + $nodename: + pattern: '^gpu@[a-f0-9]+$' + + compatible: + items: + - enum: + - mediatek,mt8192-mali + - const: arm,mali-valhall + + 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 + + power-domains: + minItems: 1 + maxItems: 5 + + mali-supply: true + sram-supply: true + + operating-points-v2: true + opp-table: true + + "#cooling-cells": + const: 2 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8192-mali + then: + properties: + power-domains: + minItems: 5 + maxItems: 5 + + power-domain-names: + items: + - const: core0 + - const: core1 + - const: core2 + - const: core3 + - const: core4 + + required: + - sram-supply + - power-domains + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpu@13000000 { + compatible = "mediatek,mt8192-mali", "arm,mali-valhall"; + reg = <0x13000000 0x4000>; + interrupts = + <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>; + interrupt-names = + "gpu", + "mmu", + "job"; + + clocks = <&mfgcfg 0>; + + power-domains = + <&spm 4>, + <&spm 5>, + <&spm 6>, + <&spm 7>, + <&spm 8>; + + operating-points-v2 = <&gpu_opp_table>; + mali-supply = <&mt6315_7_vbuck1>; + sram-supply = <&mt6359_vsram_others_ldo_reg>; + gpu_opp_table: opp_table { + compatible = "operating-points-v2"; + opp-shared; + + opp-358000000 { + opp-hz = /bits/ 64 <358000000>; + opp-microvolt = <606250>, <750000>; + }; + + opp-399000000 { + opp-hz = /bits/ 64 <399000000>; + opp-microvolt = <618750>, <750000>; + }; + + opp-440000000 { + opp-hz = /bits/ 64 <440000000>; + opp-microvolt = <631250>, <750000>; + }; + + opp-482000000 { + opp-hz = /bits/ 64 <482000000>; + opp-microvolt = <643750>, <750000>; + }; + + opp-523000000 { + opp-hz = /bits/ 64 <523000000>; + opp-microvolt = <656250>, <750000>; + }; + + opp-564000000 { + opp-hz = /bits/ 64 <564000000>; + opp-microvolt = <668750>, <750000>; + }; + + opp-605000000 { + opp-hz = /bits/ 64 <605000000>; + opp-microvolt = <681250>, <750000>; + }; + + opp-647000000 { + opp-hz = /bits/ 64 <647000000>; + opp-microvolt = <693750>, <750000>; + }; + + opp-688000000 { + opp-hz = /bits/ 64 <688000000>; + opp-microvolt = <706250>, <750000>; + }; + + opp-724000000 { + opp-hz = /bits/ 64 <724000000>; + opp-microvolt = <725000>, <750000>; + }; + + opp-748000000 { + opp-hz = /bits/ 64 <748000000>; + opp-microvolt = <737500>, <750000>; + }; + + opp-772000000 { + opp-hz = /bits/ 64 <772000000>; + opp-microvolt = <750000>, <750000>; + }; + + opp-795000000 { + opp-hz = /bits/ 64 <795000000>; + opp-microvolt = <762500>, <762500>; + }; + + opp-819000000 { + opp-hz = /bits/ 64 <819000000>; + opp-microvolt = <775000>, <775000>; + }; + + opp-843000000 { + opp-hz = /bits/ 64 <843000000>; + opp-microvolt = <787500>, <787500>; + }; + + opp-866000000 { + opp-hz = /bits/ 64 <866000000>; + opp-microvolt = <800000>, <800000>; + }; + }; + }; +...