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Diffstat (limited to 'Documentation/devicetree/bindings/display/msm/gpu.yaml')
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diff --git a/Documentation/devicetree/bindings/display/msm/gpu.yaml b/Documentation/devicetree/bindings/display/msm/gpu.yaml new file mode 100644 index 000000000..ec4b1a75f --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/gpu.yaml @@ -0,0 +1,292 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: "http://devicetree.org/schemas/display/msm/gpu.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Devicetree bindings for the Adreno or Snapdragon GPUs + +maintainers: + - Rob Clark <robdclark@gmail.com> + +properties: + compatible: + oneOf: + - description: | + The driver is parsing the compat string for Adreno to + figure out the gpu-id and patch level. + items: + - pattern: '^qcom,adreno-[3-6][0-9][0-9]\.[0-9]$' + - const: qcom,adreno + - description: | + The driver is parsing the compat string for Imageon to + figure out the gpu-id and patch level. + items: + - pattern: '^amd,imageon-200\.[0-1]$' + - const: amd,imageon + + clocks: true + + clock-names: true + + reg: + minItems: 1 + maxItems: 3 + + reg-names: + minItems: 1 + items: + - const: kgsl_3d0_reg_memory + - const: cx_mem + - const: cx_dbgc + + interrupts: + maxItems: 1 + + interrupt-names: + maxItems: 1 + + interconnects: + minItems: 1 + maxItems: 2 + + interconnect-names: + minItems: 1 + items: + - const: gfx-mem + - const: ocmem + + iommus: + minItems: 1 + maxItems: 64 + + sram: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 4 + items: + maxItems: 1 + description: | + phandles to one or more reserved on-chip SRAM regions. + phandle to the On Chip Memory (OCMEM) that's present on some a3xx and + a4xx Snapdragon SoCs. See + Documentation/devicetree/bindings/sram/qcom,ocmem.yaml + + operating-points-v2: true + opp-table: + type: object + + power-domains: + maxItems: 1 + + zap-shader: + type: object + additionalProperties: false + description: | + For a5xx and a6xx devices this node contains a memory-region that + points to reserved memory to store the zap shader that can be used to + help bring the GPU out of secure mode. + properties: + memory-region: + $ref: /schemas/types.yaml#/definitions/phandle + + firmware-name: + description: | + Default name of the firmware to load to the remote processor. + + "#cooling-cells": + const: 2 + + nvmem-cell-names: + maxItems: 1 + + nvmem-cells: + description: efuse registers + maxItems: 1 + + qcom,gmu: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + For GMU attached devices a phandle to the GMU device that will + control the power for the GPU. + + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + pattern: '^qcom,adreno-[3-5][0-9][0-9]\.[0-9]$' + + then: + properties: + clocks: + minItems: 2 + maxItems: 7 + + clock-names: + items: + anyOf: + - const: core + description: GPU Core clock + - const: iface + description: GPU Interface clock + - const: mem + description: GPU Memory clock + - const: mem_iface + description: GPU Memory Interface clock + - const: alt_mem_iface + description: GPU Alternative Memory Interface clock + - const: gfx3d + description: GPU 3D engine clock + - const: rbbmtimer + description: GPU RBBM Timer for Adreno 5xx series + minItems: 2 + maxItems: 7 + + required: + - clocks + - clock-names + - if: + properties: + compatible: + contains: + pattern: '^qcom,adreno-6[0-9][0-9]\.[0-9]$' + + then: # Since Adreno 6xx series clocks should be defined in GMU + properties: + clocks: false + clock-names: false + +examples: + - | + + // Example a3xx/4xx: + + #include <dt-bindings/clock/qcom,mmcc-msm8974.h> + #include <dt-bindings/clock/qcom,rpmcc.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpu: gpu@fdb00000 { + compatible = "qcom,adreno-330.2", "qcom,adreno"; + + reg = <0xfdb00000 0x10000>; + reg-names = "kgsl_3d0_reg_memory"; + + clock-names = "core", "iface", "mem_iface"; + clocks = <&mmcc OXILI_GFX3D_CLK>, + <&mmcc OXILICX_AHB_CLK>, + <&mmcc OXILICX_AXI_CLK>; + + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "kgsl_3d0_irq"; + + sram = <&gpu_sram>; + power-domains = <&mmcc OXILICX_GDSC>; + operating-points-v2 = <&gpu_opp_table>; + iommus = <&gpu_iommu 0>; + #cooling-cells = <2>; + }; + + ocmem@fdd00000 { + compatible = "qcom,msm8974-ocmem"; + + reg = <0xfdd00000 0x2000>, + <0xfec00000 0x180000>; + reg-names = "ctrl", "mem"; + + clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>, + <&mmcc OCMEMCX_OCMEMNOC_CLK>; + clock-names = "core", "iface"; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xfec00000 0x100000>; + + gpu_sram: gpu-sram@0 { + reg = <0x0 0x100000>; + }; + }; + - | + + // Example a6xx (with GMU): + + #include <dt-bindings/clock/qcom,gpucc-sdm845.h> + #include <dt-bindings/clock/qcom,gcc-sdm845.h> + #include <dt-bindings/power/qcom-rpmpd.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interconnect/qcom,sdm845.h> + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + + zap_shader_region: gpu@8f200000 { + compatible = "shared-dma-pool"; + reg = <0x0 0x90b00000 0x0 0xa00000>; + no-map; + }; + }; + + gpu@5000000 { + compatible = "qcom,adreno-630.2", "qcom,adreno"; + + reg = <0x5000000 0x40000>, <0x509e000 0x10>; + reg-names = "kgsl_3d0_reg_memory", "cx_mem"; + + #cooling-cells = <2>; + + interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>; + + iommus = <&adreno_smmu 0>; + + operating-points-v2 = <&gpu_opp_table>; + + interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>; + interconnect-names = "gfx-mem"; + + qcom,gmu = <&gmu>; + + gpu_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-430000000 { + opp-hz = /bits/ 64 <430000000>; + opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; + opp-peak-kBps = <5412000>; + }; + + opp-355000000 { + opp-hz = /bits/ 64 <355000000>; + opp-level = <RPMH_REGULATOR_LEVEL_SVS>; + opp-peak-kBps = <3072000>; + }; + + opp-267000000 { + opp-hz = /bits/ 64 <267000000>; + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; + opp-peak-kBps = <3072000>; + }; + + opp-180000000 { + opp-hz = /bits/ 64 <180000000>; + opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; + opp-peak-kBps = <1804000>; + }; + }; + + zap-shader { + memory-region = <&zap_shader_region>; + firmware-name = "qcom/LENOVO/81JL/qcdxkmsuc850.mbn"; + }; + }; |