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Diffstat (limited to 'Documentation/devicetree/bindings/display/msm/gmu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/display/msm/gmu.txt | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/gmu.txt b/Documentation/devicetree/bindings/display/msm/gmu.txt deleted file mode 100644 index bf9c7a2a495c..000000000000 --- a/Documentation/devicetree/bindings/display/msm/gmu.txt +++ /dev/null @@ -1,116 +0,0 @@ -Qualcomm adreno/snapdragon GMU (Graphics management unit) - -The GMU is a programmable power controller for the GPU. the CPU controls the -GMU which in turn handles power controls for the GPU. - -Required properties: -- compatible: "qcom,adreno-gmu-XYZ.W", "qcom,adreno-gmu" - for example: "qcom,adreno-gmu-630.2", "qcom,adreno-gmu" - Note that you need to list the less specific "qcom,adreno-gmu" - for generic matches and the more specific identifier to identify - the specific device. -- reg: Physical base address and length of the GMU registers. -- reg-names: Matching names for the register regions - * "gmu" - * "gmu_pdc" - * "gmu_pdc_seg" -- interrupts: The interrupt signals from the GMU. -- interrupt-names: Matching names for the interrupts - * "hfi" - * "gmu" -- clocks: phandles to the device clocks -- clock-names: Matching names for the clocks - * "gmu" - * "cxo" - * "axi" - * "mnoc" -- power-domains: should be: - <&clock_gpucc GPU_CX_GDSC> - <&clock_gpucc GPU_GX_GDSC> -- power-domain-names: Matching names for the power domains -- iommus: phandle to the adreno iommu -- operating-points-v2: phandle to the OPP operating points - -Optional properties: -- sram: phandle to the On Chip Memory (OCMEM) that's present on some Snapdragon - SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. - -Example: - -/ { - ... - - 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"; - - interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "hfi", "gmu"; - - 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"; - - 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>; - }; -}; - -a3xx example with OCMEM support: - -/ { - ... - - gpu: adreno@fdb00000 { - compatible = "qcom,adreno-330.2", - "qcom,adreno"; - reg = <0xfdb00000 0x10000>; - reg-names = "kgsl_3d0_reg_memory"; - interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "kgsl_3d0_irq"; - clock-names = "core", - "iface", - "mem_iface"; - clocks = <&mmcc OXILI_GFX3D_CLK>, - <&mmcc OXILICX_AHB_CLK>, - <&mmcc OXILICX_AXI_CLK>; - sram = <&gmu_sram>; - power-domains = <&mmcc OXILICX_GDSC>; - operating-points-v2 = <&gpu_opp_table>; - iommus = <&gpu_iommu 0>; - }; - - 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>; - - gmu_sram: gmu-sram@0 { - reg = <0x0 0x100000>; - ranges = <0 0 0xfec00000 0x100000>; - }; - }; -}; |