linux-kernel - Re: [PATCH v1 6/6] arm64: dts: qcom: sa8775p-ride: enable pcie nodes

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Date:   Thu, 6 Jul 2023 13:18:14 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Mrinmay Sarkar <quic_msarkar@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, mani@...nel.org
Cc:     quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
        quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org
Subject: Re: [PATCH v1 6/6] arm64: dts: qcom: sa8775p-ride: enable pcie nodes

On 5.07.2023 10:17, Mrinmay Sarkar wrote:
> Enable pcie0, pcie1 nodes and their respective phy's.
> 
> Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
> ---
grep for '&[a-z0-9]\{' and please fix all missing spaces before the
opening braces.

Konrad
>  arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 68 +++++++++++++++++++++++
>  1 file changed, 68 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> index ab767cfa51ff..4a39294259fe 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> @@ -443,6 +443,74 @@ qup_uart17_rx: qup0-uart17-rx-pins {
>  			bias-pull-down;
>  		};
>  	};
> +
> +	pcie0_default_state: pcie0-default {
> +		perst {
> +			pins = "gpio2";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-down;
> +		};
> +
> +		clkreq {
> +			pins = "gpio1";
> +			function = "pcie0_clkreq";
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +
> +		wake {
> +			pins = "gpio0";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	pcie1_default_state: pcie1-default {
> +		perst {
> +			pins = "gpio4";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-down;
> +		};
> +
> +		clkreq {
> +			pins = "gpio3";
> +			function = "pcie1_clkreq";
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +
> +		wake {
> +			pins = "gpio5";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +	};
> +};
> +
> +&pcie0{
> +	status = "okay";
> +};
> +
> +&pcie1{
> +	status = "okay";
> +};
> +
> +&pcie0_phy{
> +	vdda-phy-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l1c>;
> +
> +	status = "okay";
> +};
> +
> +&pcie1_phy{
> +	vdda-phy-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l1c>;
> +
> +	status = "okay";
>  };
>  
>  &uart10 {