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+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright 2019-2020, The Linux Foundation, All Rights Reserved
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/display/msm/gmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GMU attached to certain Adreno GPUs
+
+maintainers:
+ - Rob Clark <robdclark@gmail.com>
+
+description: |
+ These bindings describe the Graphics Management Unit (GMU) that is attached
+ to members of the Adreno A6xx GPU family. The GMU provides on-device power
+ management and support to improve power efficiency and reduce the load on
+ the CPU.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - pattern: '^qcom,adreno-gmu-[67][0-9][0-9]\.[0-9]$'
+ - const: qcom,adreno-gmu
+ - const: qcom,adreno-gmu-wrapper
+
+ reg:
+ minItems: 1
+ maxItems: 4
+
+ reg-names:
+ minItems: 1
+ maxItems: 4
+
+ clocks:
+ minItems: 4
+ maxItems: 7
+
+ clock-names:
+ minItems: 4
+ maxItems: 7
+
+ interrupts:
+ items:
+ - description: GMU HFI interrupt
+ - description: GMU interrupt
+
+ interrupt-names:
+ items:
+ - const: hfi
+ - const: gmu
+
+ power-domains:
+ items:
+ - description: CX power domain
+ - description: GX power domain
+
+ power-domain-names:
+ items:
+ - const: cx
+ - const: gx
+
+ iommus:
+ maxItems: 1
+
+ qcom,qmp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Reference to the AOSS side-channel message RAM
+
+ operating-points-v2: true
+
+ opp-table:
+ type: object
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - power-domains
+ - power-domain-names
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-618.0
+ - qcom,adreno-gmu-630.2
+ then:
+ properties:
+ reg:
+ items:
+ - description: Core GMU registers
+ - description: GMU PDC registers
+ - description: GMU PDC sequence registers
+ reg-names:
+ items:
+ - const: gmu
+ - const: gmu_pdc
+ - const: gmu_pdc_seq
+ clocks:
+ items:
+ - description: GMU clock
+ - description: GPU CX clock
+ - description: GPU AXI clock
+ - description: GPU MEMNOC clock
+ clock-names:
+ items:
+ - const: gmu
+ - const: cxo
+ - const: axi
+ - const: memnoc
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-635.0
+ - qcom,adreno-gmu-660.1
+ then:
+ properties:
+ reg:
+ items:
+ - description: Core GMU registers
+ - description: Resource controller registers
+ - description: GMU PDC registers
+ reg-names:
+ items:
+ - const: gmu
+ - const: rscc
+ - const: gmu_pdc
+ clocks:
+ items:
+ - description: GMU clock
+ - description: GPU CX clock
+ - description: GPU AXI clock
+ - description: GPU MEMNOC clock
+ - description: GPU AHB clock
+ - description: GPU HUB CX clock
+ - description: GPU SMMU vote clock
+ clock-names:
+ items:
+ - const: gmu
+ - const: cxo
+ - const: axi
+ - const: memnoc
+ - const: ahb
+ - const: hub
+ - const: smmu_vote
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-640.1
+ then:
+ properties:
+ reg:
+ items:
+ - description: Core GMU registers
+ - description: GMU PDC registers
+ - description: GMU PDC sequence registers
+ reg-names:
+ items:
+ - const: gmu
+ - const: gmu_pdc
+ - const: gmu_pdc_seq
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-650.2
+ then:
+ properties:
+ reg:
+ items:
+ - description: Core GMU registers
+ - description: Resource controller registers
+ - description: GMU PDC registers
+ - description: GMU PDC sequence registers
+ reg-names:
+ items:
+ - const: gmu
+ - const: rscc
+ - const: gmu_pdc
+ - const: gmu_pdc_seq
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-640.1
+ - qcom,adreno-gmu-650.2
+ then:
+ properties:
+ clocks:
+ items:
+ - description: GPU AHB clock
+ - description: GMU clock
+ - description: GPU CX clock
+ - description: GPU AXI clock
+ - description: GPU MEMNOC clock
+ clock-names:
+ items:
+ - const: ahb
+ - const: gmu
+ - const: cxo
+ - const: axi
+ - const: memnoc
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,adreno-gmu-730.1
+ - qcom,adreno-gmu-740.1
+ then:
+ properties:
+ reg:
+ items:
+ - description: Core GMU registers
+ - description: Resource controller registers
+ - description: GMU PDC registers
+ reg-names:
+ items:
+ - const: gmu
+ - const: rscc
+ - const: gmu_pdc
+ clocks:
+ items:
+ - description: GPU AHB clock
+ - description: GMU clock
+ - description: GPU CX clock
+ - description: GPU AXI clock
+ - description: GPU MEMNOC clock
+ - description: GMU HUB clock
+ - description: GPUSS DEMET clock
+ clock-names:
+ items:
+ - const: ahb
+ - const: gmu
+ - const: cxo
+ - const: axi
+ - const: memnoc
+ - const: hub
+ - const: demet
+
+ required:
+ - qcom,qmp
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,adreno-gmu-wrapper
+ then:
+ properties:
+ reg:
+ items:
+ - description: GMU wrapper register space
+ reg-names:
+ items:
+ - const: gmu
+ else:
+ required:
+ - clocks
+ - clock-names
+ - interrupts
+ - interrupt-names
+ - iommus
+ - operating-points-v2
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gpucc-sdm845.h>
+ #include <dt-bindings/clock/qcom,gcc-sdm845.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ gmu: gmu@506a000 {
+ compatible = "qcom,adreno-gmu-630.2", "qcom,adreno-gmu";
+
+ reg = <0x506a000 0x30000>,
+ <0xb280000 0x10000>,
+ <0xb480000 0x10000>;
+ reg-names = "gmu", "gmu_pdc", "gmu_pdc_seq";
+
+ clocks = <&gpucc GPU_CC_CX_GMU_CLK>,
+ <&gpucc GPU_CC_CXO_CLK>,
+ <&gcc GCC_DDRSS_GPU_AXI_CLK>,
+ <&gcc GCC_GPU_MEMNOC_GFX_CLK>;
+ clock-names = "gmu", "cxo", "axi", "memnoc";
+
+ interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "hfi", "gmu";
+
+ power-domains = <&gpucc GPU_CX_GDSC>,
+ <&gpucc GPU_GX_GDSC>;
+ power-domain-names = "cx", "gx";
+
+ iommus = <&adreno_smmu 5>;
+ operating-points-v2 = <&gmu_opp_table>;
+ };
+
+ gmu_wrapper: gmu@596a000 {
+ compatible = "qcom,adreno-gmu-wrapper";
+ reg = <0x0596a000 0x30000>;
+ reg-names = "gmu";
+ power-domains = <&gpucc GPU_CX_GDSC>,
+ <&gpucc GPU_GX_GDSC>;
+ power-domain-names = "cx", "gx";
+ };