Re: [PATCH v3 8/8] arm64: dts: qcom: sm8450: add PCIe EP device nodes

[Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>]

On Fri, Feb 21, 2025 at 05:52:06PM +0200, Dmitry Baryshkov wrote:
> On the Qualcomm SM8450 platform the second PCIe host can be used
> either as an RC or as an EP device. Add device node for the PCIe EP.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> ---
>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 62 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 9c809fc5fa45a98ff5441a0b6809931588897243..3783930d63a73158addc44d00d9da2efa0986a25 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -2262,6 +2262,68 @@ pcie@0 {
>  			};
>  		};
>  
> +		pcie1_ep: pcie-ep@1c08000 {
> +			compatible = "qcom,sm8450-pcie-ep";
> +			reg = <0x0 0x01c08000 0x0 0x3000>,
> +			      <0x0 0x40000000 0x0 0xf1d>,
> +			      <0x0 0x40000f20 0x0 0xa8>,
> +			      <0x0 0x40001000 0x0 0x1000>,
> +			      <0x0 0x40200000 0x0 0x1000000>,
> +			      <0x0 0x01c0b000 0x0 0x1000>,
> +			      <0x0 0x40002000 0x0 0x1000>;
> +			reg-names = "parf",
> +				    "dbi",
> +				    "elbi",
> +				    "atu",
> +				    "addr_space",
> +				    "mmio",
> +				    "dma";
> +
> +			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
> +				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
> +				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
> +				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
> +				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>,
> +				 <&gcc GCC_DDRSS_PCIE_SF_TBU_CLK>,
> +				 <&gcc GCC_AGGRE_NOC_PCIE_1_AXI_CLK>;
> +			clock-names = "aux",
> +				      "cfg",
> +				      "bus_master",
> +				      "bus_slave",
> +				      "slave_q2a",
> +				      "ref",
> +				      "ddrss_sf_tbu",
> +				      "aggre_noc_axi";
> +
> +			interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 440 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "global",
> +					  "doorbell",
> +					  "dma";
> +
> +			interconnects = <&pcie_noc MASTER_PCIE_1 QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> +					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &config_noc SLAVE_PCIE_1 QCOM_ICC_TAG_ACTIVE_ONLY>;
> +			interconnect-names = "pcie-mem",
> +					     "cpu-pcie";
> +
> +			iommus = <&apps_smmu 0x1c80 0x7f>;
> +			resets = <&gcc GCC_PCIE_1_BCR>;
> +			reset-names = "core";
> +			power-domains = <&gcc PCIE_1_GDSC>;
> +			phys = <&pcie1_phy>;
> +			phy-names = "pciephy";
> +			num-lanes = <2>;
> +
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pcie1_default_state>;
> +
> +			status = "disabled";
> +		};
> +
>  		pcie1_phy: phy@1c0e000 {
>  			compatible = "qcom,sm8450-qmp-gen4x2-pcie-phy";
>  			reg = <0 0x01c0e000 0 0x2000>;
> 
> -- 
> 2.39.5
> 

-- 
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