Re: [PATCH v4 3/6] arm64: dts: qcom: sa8775p: Add gpu and gmu nodes

[Akhil P Oommen <akhilpo@oss.qualcomm.com>]

On 8/22/2025 12:25 AM, Akhil P Oommen wrote:
> From: Puranam V G Tejaswi <quic_pvgtejas@quicinc.com>
> 
> Add gpu and gmu nodes for sa8775p chipset. As of now all
> SKUs have the same GPU fmax, so there is no requirement of
> speed bin support.
> 
> Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@quicinc.com>
> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Dmitry,

FYI, I retained your R-b tag.

-Akhil

> ---
>  arch/arm64/boot/dts/qcom/lemans.dtsi | 116 +++++++++++++++++++++++++++++++++++
>  1 file changed, 116 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 8ceb59742a9fc6562b2c38731ddabe3a549f7f35..8eac8d4719db9230105ad93ac22287850b6b007c 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -1097,6 +1097,18 @@ ipcc: mailbox@408000 {
>  			#mbox-cells = <2>;
>  		};
>  
> +		qfprom: efuse@784000 {
> +			compatible = "qcom,sa8775p-qfprom", "qcom,qfprom";
> +			reg = <0x0 0x00784000 0x0 0x2410>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			gpu_speed_bin: gpu_speed_bin@240c {
> +				reg = <0x240c 0x1>;
> +				bits = <0 8>;
> +			};
> +		};
> +
>  		gpi_dma2: dma-controller@800000  {
>  			compatible = "qcom,sa8775p-gpi-dma", "qcom,sm6350-gpi-dma";
>  			reg = <0x0 0x00800000 0x0 0x60000>;
> @@ -4093,6 +4105,110 @@ tcsr: syscon@1fc0000 {
>  			reg = <0x0 0x1fc0000 0x0 0x30000>;
>  		};
>  
> +		gpu: gpu@3d00000 {
> +			compatible = "qcom,adreno-663.0", "qcom,adreno";
> +			reg = <0x0 0x03d00000 0x0 0x40000>,
> +			      <0x0 0x03d9e000 0x0 0x1000>,
> +			      <0x0 0x03d61000 0x0 0x800>;
> +			reg-names = "kgsl_3d0_reg_memory",
> +				    "cx_mem",
> +				    "cx_dbgc";
> +			interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>;
> +			iommus = <&adreno_smmu 0 0xc00>,
> +				 <&adreno_smmu 1 0xc00>;
> +			operating-points-v2 = <&gpu_opp_table>;
> +			qcom,gmu = <&gmu>;
> +			interconnects = <&gem_noc MASTER_GFX3D QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
> +			interconnect-names = "gfx-mem";
> +			#cooling-cells = <2>;
> +
> +			status = "disabled";
> +
> +			gpu_zap_shader: zap-shader {
> +				memory-region = <&pil_gpu_mem>;
> +			};
> +
> +			gpu_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-405000000 {
> +					opp-hz = /bits/ 64 <405000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
> +					opp-peak-kBps = <5285156>;
> +					opp-supported-hw = <0x3>;
> +				};
> +
> +				opp-530000000 {
> +					opp-hz = /bits/ 64 <530000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> +					opp-peak-kBps = <12484375>;
> +					opp-supported-hw = <0x2>;
> +				};
> +
> +				opp-676000000 {
> +					opp-hz = /bits/ 64 <676000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> +					opp-peak-kBps = <8171875>;
> +					opp-supported-hw = <0x1>;
> +				};
> +
> +				opp-778000000 {
> +					opp-hz = /bits/ 64 <778000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
> +					opp-peak-kBps = <10687500>;
> +					opp-supported-hw = <0x1>;
> +				};
> +
> +				opp-800000000 {
> +					opp-hz = /bits/ 64 <800000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
> +					opp-peak-kBps = <12484375>;
> +					opp-supported-hw = <0x1>;
> +				};
> +			};
> +		};
> +
> +		gmu: gmu@3d6a000 {
> +			compatible = "qcom,adreno-gmu-663.0", "qcom,adreno-gmu";
> +			reg = <0x0 0x03d6a000 0x0 0x34000>,
> +			      <0x0 0x03de0000 0x0 0x10000>,
> +			      <0x0 0x0b290000 0x0 0x10000>;
> +			reg-names = "gmu", "rscc", "gmu_pdc";
> +			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>,
> +				 <&gpucc GPU_CC_AHB_CLK>,
> +				 <&gpucc GPU_CC_HUB_CX_INT_CLK>,
> +				 <&gpucc GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK>;
> +			clock-names = "gmu",
> +				      "cxo",
> +				      "axi",
> +				      "memnoc",
> +				      "ahb",
> +				      "hub",
> +				      "smmu_vote";
> +			power-domains = <&gpucc GPU_CC_CX_GDSC>,
> +					<&gpucc GPU_CC_GX_GDSC>;
> +			power-domain-names = "cx",
> +					     "gx";
> +			iommus = <&adreno_smmu 5 0xc00>;
> +			operating-points-v2 = <&gmu_opp_table>;
> +
> +			gmu_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-200000000 {
> +					opp-hz = /bits/ 64 <200000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
> +				};
> +			};
> +		};
> +
>  		gpucc: clock-controller@3d90000 {
>  			compatible = "qcom,sa8775p-gpucc";
>  			reg = <0x0 0x03d90000 0x0 0xa000>;
>