| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| |
| $id: http://devicetree.org/schemas/display/msm/gpu.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Adreno or Snapdragon GPUs |
| |
| maintainers: |
| - Rob Clark <robdclark@gmail.com> |
| |
| properties: |
| compatible: |
| oneOf: |
| - description: | |
| The driver is parsing the compat string for Adreno to |
| figure out the chip-id. |
| items: |
| - pattern: '^qcom,adreno-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$' |
| - const: qcom,adreno |
| - description: | |
| The driver is parsing the compat string for Adreno to |
| figure out the gpu-id and patch level. |
| items: |
| - pattern: '^qcom,adreno-[3-7][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 |
| maxItems: 3 |
| |
| 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: |
| maxItems: 1 |
| |
| 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 |
| - const: rbcpr |
| description: GPU RB Core Power Reduction clock |
| minItems: 2 |
| maxItems: 7 |
| |
| required: |
| - clocks |
| - clock-names |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - qcom,adreno-610.0 |
| - qcom,adreno-619.1 |
| then: |
| properties: |
| clocks: |
| minItems: 6 |
| maxItems: 6 |
| |
| clock-names: |
| items: |
| - const: core |
| description: GPU Core clock |
| - const: iface |
| description: GPU Interface clock |
| - const: mem_iface |
| description: GPU Memory Interface clock |
| - const: alt_mem_iface |
| description: GPU Alternative Memory Interface clock |
| - const: gmu |
| description: CX GMU clock |
| - const: xo |
| description: GPUCC clocksource clock |
| |
| reg-names: |
| minItems: 1 |
| items: |
| - const: kgsl_3d0_reg_memory |
| - const: cx_dbgc |
| |
| required: |
| - clocks |
| - clock-names |
| else: |
| if: |
| properties: |
| compatible: |
| contains: |
| pattern: '^qcom,adreno-[67][0-9][0-9]\.[0-9]$' |
| |
| then: # Starting with A6xx, the clocks are usually defined in the GMU node |
| properties: |
| clocks: false |
| clock-names: false |
| |
| reg-names: |
| minItems: 1 |
| items: |
| - const: kgsl_3d0_reg_memory |
| - const: cx_mem |
| - const: cx_dbgc |
| |
| 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"; |
| }; |
| }; |
