[PATCH v4 2/5] ARM: dts: qcom: sdx65: Add support for PCIe PHY

Rohit Agarwal posted 5 patches 2 years, 11 months ago
There is a newer version of this series
[PATCH v4 2/5] ARM: dts: qcom: sdx65: Add support for PCIe PHY
Posted by Rohit Agarwal 2 years, 11 months ago
Add devicetree support for PCIe PHY used in SDX65 platform. This PHY is
used by the PCIe EP controller.

Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
---
 arch/arm/boot/dts/qcom-sdx65.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
index 192f9f9..084daf8 100644
--- a/arch/arm/boot/dts/qcom-sdx65.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
@@ -293,6 +293,37 @@
 			status = "disabled";
 		};
 
+		pcie_phy: phy@1c06000 {
+			compatible = "qcom,sdx65-qmp-gen4x2-pcie-phy";
+			reg = <0x01c06000 0x2000>;
+
+			clocks = <&gcc GCC_PCIE_AUX_PHY_CLK_SRC>,
+				 <&gcc GCC_PCIE_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_0_CLKREF_EN>,
+				 <&gcc GCC_PCIE_RCHNG_PHY_CLK>,
+				 <&gcc GCC_PCIE_PIPE_CLK>;
+			clock-names = "aux",
+				      "cfg_ahb",
+				      "ref",
+				      "rchng",
+				      "pipe";
+
+			resets = <&gcc GCC_PCIE_PHY_BCR>;
+			reset-names = "phy";
+
+			assigned-clocks = <&gcc GCC_PCIE_RCHNG_PHY_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			power-domains = <&gcc PCIE_GDSC>;
+
+			#clock-cells = <0>;
+			clock-output-names = "pcie_pipe_clk";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		tcsr_mutex: hwlock@1f40000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x01f40000 0x40000>;
-- 
2.7.4
Re: [PATCH v4 2/5] ARM: dts: qcom: sdx65: Add support for PCIe PHY
Posted by Konrad Dybcio 2 years, 10 months ago

On 17.03.2023 07:53, Rohit Agarwal wrote:
> Add devicetree support for PCIe PHY used in SDX65 platform. This PHY is
> used by the PCIe EP controller.
> 
> Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  arch/arm/boot/dts/qcom-sdx65.dtsi | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
> index 192f9f9..084daf8 100644
> --- a/arch/arm/boot/dts/qcom-sdx65.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
> @@ -293,6 +293,37 @@
>  			status = "disabled";
>  		};
>  
> +		pcie_phy: phy@1c06000 {
> +			compatible = "qcom,sdx65-qmp-gen4x2-pcie-phy";
> +			reg = <0x01c06000 0x2000>;
> +
> +			clocks = <&gcc GCC_PCIE_AUX_PHY_CLK_SRC>,
> +				 <&gcc GCC_PCIE_CFG_AHB_CLK>,
> +				 <&gcc GCC_PCIE_0_CLKREF_EN>,
> +				 <&gcc GCC_PCIE_RCHNG_PHY_CLK>,
> +				 <&gcc GCC_PCIE_PIPE_CLK>;
> +			clock-names = "aux",
> +				      "cfg_ahb",
> +				      "ref",
> +				      "rchng",
> +				      "pipe";
> +
> +			resets = <&gcc GCC_PCIE_PHY_BCR>;
> +			reset-names = "phy";
> +
> +			assigned-clocks = <&gcc GCC_PCIE_RCHNG_PHY_CLK>;
> +			assigned-clock-rates = <100000000>;
> +
> +			power-domains = <&gcc PCIE_GDSC>;
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "pcie_pipe_clk";
> +
> +			#phy-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +
>  		tcsr_mutex: hwlock@1f40000 {
>  			compatible = "qcom,tcsr-mutex";
>  			reg = <0x01f40000 0x40000>;