[PATCH v1 5/6] arm64: dts: qcom: sa8775p: Add pcie0 and pcie1 nodes

Konrad Dybcio konrad.dybcio at linaro.org
Thu Jul 6 03:01:37 PDT 2023


On 5.07.2023 10:17, Mrinmay Sarkar wrote:
> Add pcie dtsi nodes for two controllers found on sa8775p platform.
> 
> Signed-off-by: Mrinmay Sarkar <quic_msarkar at quicinc.com>
> ---[...]

> +	pcie1_phy: phy at 1c14000 {
> +		compatible = "qcom,sa8775p-qmp-gen4x4-pcie-phy";
> +		reg = <0x0 0x1c14000 0x0 0x4000>;
> +
> +		clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
> +			 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
> +			 <&gcc GCC_PCIE_CLKREF_EN>,
> +			 <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>,
> +			 <&gcc GCC_PCIE_1_PHY_AUX_CLK>,
> +			 <&gcc GCC_PCIE_1_PIPE_CLK>,
> +			 <&gcc GCC_PCIE_1_PIPEDIV2_CLK>;
> +
> +		clock-names = "aux", "cfg_ahb", "ref", "rchng", "phy_aux",
> +						"pipe", "pipediv2";
> +
> +		assigned-clocks = <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>;
> +		assigned-clock-rates = <100000000>;
> +
> +		power-domains = <&gcc PCIE_1_GDSC>;
Please check if it's the correct power domain. I've heard that the PCIe PHY
may be hooked up to something else but have no way of confirming myself.

Konrad
> +
> +		resets = <&gcc GCC_PCIE_1_PHY_BCR>;
> +		reset-names = "phy";
> +
> +		#clock-cells = <0>;
> +		clock-output-names = "pcie_1_pipe_clk";
> +
> +		#phy-cells = <0>;
> +
> +		status = "disabled";
> +
> +	};
>  };



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