On Tue, Jan 12, 2021 at 02:49:32PM +0800, Nick Fan wrote: > 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@xxxxxxxxxxxx> > --- > .../bindings/gpu/arm,mali-valhall.yaml | 252 ++++++++++++++++++ > 1 file changed, 252 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..ecf249a58435 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml > @@ -0,0 +1,252 @@ > +# 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@xxxxxxxxxx> > + > +properties: > + $nodename: > + pattern: '^gpu@[a-f0-9]+$' > + > + compatible: > + items: > + - enum: > + - mediatek,mt8192-mali > + - const: arm,mali-valhall > + > + reg: > + maxItems: 1 > + > + interrupts: > + items: > + - description: GPU interrupt > + - description: MMU interrupt > + - description: Job interrupt > + > + interrupt-names: > + items: > + - const: gpu > + - const: mmu > + - const: job > + > + clocks: > + minItems: 1 > + > + power-domains: > + minItems: 1 > + maxItems: 5 > + > + mali-supply: true > + sram-supply: true > + > + operating-points-v2: 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: > + sram-supply: true > + power-domains: > + description: > + List of phandle and PM domain specifier as documented in > + Documentation/devicetree/bindings/power/power_domain.txt > + 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_table0 { Make this a child node of the gpu node. > + compatible = "operating-points-v2"; > + opp-shared; > + > + opp-358000000 { > + opp-hz = /bits/ 64 <358000000>; > + opp-hz-real = /bits/ 64 <358000000>, > + /bits/ 64 <358000000>; This is not part of the OPP binding. It's not clear what it's purpose would be given the values are always the same as opp-hz. > + opp-microvolt = <606250>, > + <750000>; > + }; > + > + opp-399000000 { > + opp-hz = /bits/ 64 <399000000>; > + opp-hz-real = /bits/ 64 <399000000>, > + /bits/ 64 <399000000>; > + opp-microvolt = <618750>, > + <750000>; > + }; > + > + opp-440000000 { > + opp-hz = /bits/ 64 <440000000>; > + opp-hz-real = /bits/ 64 <440000000>, > + /bits/ 64 <440000000>; > + opp-microvolt = <631250>, > + <750000>; > + }; > + > + opp-482000000 { > + opp-hz = /bits/ 64 <482000000>; > + opp-hz-real = /bits/ 64 <482000000>, > + /bits/ 64 <482000000>; > + opp-microvolt = <643750>, > + <750000>; > + }; > + > + opp-523000000 { > + opp-hz = /bits/ 64 <523000000>; > + opp-hz-real = /bits/ 64 <523000000>, > + /bits/ 64 <523000000>; > + opp-microvolt = <656250>, > + <750000>; > + }; > + > + opp-564000000 { > + opp-hz = /bits/ 64 <564000000>; > + opp-hz-real = /bits/ 64 <564000000>, > + /bits/ 64 <564000000>; > + opp-microvolt = <668750>, > + <750000>; > + }; > + > + opp-605000000 { > + opp-hz = /bits/ 64 <605000000>; > + opp-hz-real = /bits/ 64 <605000000>, > + /bits/ 64 <605000000>; > + opp-microvolt = <681250>, > + <750000>; > + }; > + > + opp-647000000 { > + opp-hz = /bits/ 64 <647000000>; > + opp-hz-real = /bits/ 64 <647000000>, > + /bits/ 64 <647000000>; > + opp-microvolt = <693750>, > + <750000>; > + }; > + > + opp-688000000 { > + opp-hz = /bits/ 64 <688000000>; > + opp-hz-real = /bits/ 64 <688000000>, > + /bits/ 64 <688000000>; > + opp-microvolt = <706250>, > + <750000>; > + }; > + > + opp-724000000 { > + opp-hz = /bits/ 64 <724000000>; > + opp-hz-real = /bits/ 64 <724000000>, > + /bits/ 64 <724000000>; > + opp-microvolt = <725000>, > + <750000>; > + }; > + > + opp-760000000 { > + opp-hz = /bits/ 64 <760000000>; > + opp-hz-real = /bits/ 64 <760000000>, > + /bits/ 64 <760000000>; > + opp-microvolt = <743750>, > + <750000>; > + }; > + > + opp-795000000 { > + opp-hz = /bits/ 64 <795000000>; > + opp-hz-real = /bits/ 64 <795000000>, > + /bits/ 64 <795000000>; > + opp-microvolt = <762500>, > + <762500>; > + }; > + > + opp-831000000 { > + opp-hz = /bits/ 64 <831000000>; > + opp-hz-real = /bits/ 64 <831000000>, > + /bits/ 64 <831000000>; > + opp-microvolt = <781250>, > + <781250>; > + }; > + > + opp-855000000 { > + opp-hz = /bits/ 64 <855000000>; > + opp-hz-real = /bits/ 64 <855000000>, > + /bits/ 64 <855000000>; > + opp-microvolt = <793750>, > + <793750>; > + }; > + > + opp-902000000 { > + opp-hz = /bits/ 64 <902000000>; > + opp-hz-real = /bits/ 64 <902000000>, > + /bits/ 64 <902000000>; > + opp-microvolt = <818750>, > + <818750>; > + }; > + > + opp-950000000 { > + opp-hz = /bits/ 64 <950000000>; > + opp-hz-real = /bits/ 64 <950000000>, > + /bits/ 64 <950000000>; > + opp-microvolt = <843750>, > + <843750>; > + }; > + }; > +... > -- > 2.18.0 >
