Messages in this thread | | | From | Stephen Boyd <> | Date | Fri, 23 Jul 2021 18:30:44 -0700 | Subject | Re: [PATCH] arm64: dts: qcom: sc7280: Add gpu support |
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Quoting Akhil P Oommen (2021-07-23 04:20:54) > Add the necessary dt nodes for gpu support in sc7280. > > Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> > --- > This patch has dependency on the GPUCC bindings patch here: > https://patchwork.kernel.org/project/linux-arm-msm/patch/1619519590-3019-4-git-send-email-tdas@codeaurora.org/ > > arch/arm64/boot/dts/qcom/sc7280.dtsi | 107 +++++++++++++++++++++++++++++++++++ > 1 file changed, 107 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi > index 029723a..beb313c 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi > @@ -16,6 +16,8 @@ > #include <dt-bindings/reset/qcom,sdm845-pdc.h> > #include <dt-bindings/soc/qcom,rpmh-rsc.h> > #include <dt-bindings/thermal/thermal.h> > +#include <dt-bindings/interconnect/qcom,sc7280.h> > +#include <dt-bindings/clock/qcom,gpucc-sc7280.h>
Please sort this alphabetically.
> > / { > interrupt-parent = <&intc>; > @@ -592,6 +594,111 @@ > qcom,bcm-voters = <&apps_bcm_voter>; > }; > > + gpu: gpu@3d00000 {
Will this label be used? If not, please don't add it.
> + compatible = "qcom,adreno-635.0", "qcom,adreno"; > + #stream-id-cells = <16>; > + reg = <0 0x03d00000 0 0x40000>, <0 0x03d9e000 0 0x1000>, > + <0 0x03d61000 0 0x800>; > + reg-names = "kgsl_3d0_reg_memory", "cx_mem", "cx_dbgc";
I'd prefer to see one reg and reg-names per line if the list is longer than one line.
reg = < >, < >, < >; reg-names = " ", " ", " ";
It makes is much easier to figure out which property lines up with which name.
> + interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>; > + iommus = <&adreno_smmu 0 0x401>; > + operating-points-v2 = <&gpu_opp_table>; > + qcom,gmu = <&gmu>; > + interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>; > + interconnect-names = "gfx-mem"; > + > + gpu_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + opp-550000000 { > + opp-hz = /bits/ 64 <550000000>; > + opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; > + opp-peak-kBps = <6832000>; > + }; > + > + opp-450000000 { > + opp-hz = /bits/ 64 <450000000>; > + opp-level = <RPMH_REGULATOR_LEVEL_SVS>; > + opp-peak-kBps = <4068000>; > + }; > + > + opp-315000000 { > + opp-hz = /bits/ 64 <315000000>; > + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; > + opp-peak-kBps = <1804000>; > + }; > + }; > + }; > + > + adreno_smmu: iommu@3da0000 {
3da0000 comes after 3d69000, please sort this by unit address.
> + compatible = "qcom,sc7280-smmu-500", "qcom,adreno-smmu", "arm,mmu-500"; > + reg = <0 0x03da0000 0 0x20000>; > + #iommu-cells = <2>; > + #global-interrupts = <2>; > + interrupts = <GIC_SPI 673 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 675 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 678 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 679 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 680 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 681 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 682 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 683 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 684 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 685 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 686 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 687 IRQ_TYPE_LEVEL_HIGH>; > + > + clocks = <&gcc GCC_GPU_MEMNOC_GFX_CLK>, > + <&gcc GCC_GPU_SNOC_DVM_GFX_CLK>, > + <&gpucc GPU_CC_AHB_CLK>, > + <&gpucc GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK>, > + <&gpucc GPU_CC_CX_GMU_CLK>, > + <&gpucc GPU_CC_HUB_CX_INT_CLK>, > + <&gpucc GPU_CC_HUB_AON_CLK>; > + clock-names = "gcc_gpu_memnoc_gfx_clk", > + "gcc_gpu_snoc_dvm_gfx_clk", > + "gpu_cc_ahb_clk", > + "gpu_cc_hlos1_vote_gpu_smmu_clk", > + "gpu_cc_cx_gmu_clk", > + "gpu_cc_hub_cx_int_clk", > + "gpu_cc_hub_aon_clk"; > + > + power-domains = <&gpucc GPU_CC_CX_GDSC>; > + }; > + > + gmu: gmu@3d69000 { > + compatible="qcom,adreno-gmu-635.0", "qcom,adreno-gmu"; > + reg = <0 0x03d6a000 0 0x34000>, > + <0 0x3de0000 0 0x10000>, > + <0 0x0b290000 0 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";
Same comment about one line per clock for clock-names so we can easily match them up.
> + power-domains = <&gpucc GPU_CC_CX_GDSC>, <&gpucc GPU_CC_GX_GDSC>; > + power-domain-names = "cx", "gx"; > + iommus = <&adreno_smmu 5 0x400>; > + operating-points-v2 = <&gmu_opp_table>; > +
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