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Message-ID: <76c5b46c-82d6-847c-aaca-7380d310d012@linaro.org>
Date:   Tue, 28 Mar 2023 15:29:00 +0200
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Subject: Re: [PATCH v4 2/5] ARM: dts: qcom: sdx65: Add support for PCIe PHY
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To:     Rohit Agarwal <quic_rohiagar@quicinc.com>, agross@kernel.org,
        andersson@kernel.org, lee@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, mani@kernel.org,
        lpieralisi@kernel.org, kw@linux.com, bhelgaas@google.com,
        manivannan.sadhasivam@linaro.org
Cc:     linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
References: <1679036039-27157-1-git-send-email-quic_rohiagar@quicinc.com>
 <1679036039-27157-3-git-send-email-quic_rohiagar@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <1679036039-27157-3-git-send-email-quic_rohiagar@quicinc.com>
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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>;