linux-kernel - Re: [PATCH v5 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

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Date:   Tue, 10 Aug 2021 12:32:51 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Prasad Malisetty <pmaliset@...eaurora.org>, agross@...nel.org,
        bhelgaas@...gle.com, bjorn.andersson@...aro.org,
        lorenzo.pieralisi@....com, robh+dt@...nel.org, svarbanov@...sol.com
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        dianders@...omium.org, mka@...omium.org, vbadigan@...eaurora.org,
        sallenki@...eaurora.org, manivannan.sadhasivam@...aro.org
Subject: Re: [PATCH v5 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

Quoting Prasad Malisetty (2021-08-09 21:08:35)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 64fc22a..bb6d3d5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -61,6 +61,44 @@
>         modem-init;
>  };
>
> +&pcie1 {
> +       status = "okay";
> +
> +       vdda-supply = <&vreg_l10c_0p8>;
> +};
> +
> +&pcie1_phy {
> +       status = "okay";
> +
> +       vdda-phy-supply = <&vreg_l10c_0p8>;
> +       vdda-pll-supply = <&vreg_l6b_1p2>;
> +};
> +
> +&pcie1_default_state {
> +       clkreq {
> +               bias-pull-up;
> +       };
> +
> +       reset-n {
> +               pins = "gpio2";
> +               function = "gpio";
> +
> +               drive-strength = <16>;
> +               output-low;
> +               bias-disable;
> +       };
> +
> +       wake-n {
> +               drive-strength = <2>;
> +               bias-pull-up;
> +       };
> +
> +       nvme-n {
> +               pins = "gpio19";
> +               bias-pull-up;

function = "gpio"?

> +       };
> +};
> +
>  &pmk8350_vadc {
>         pmr735a_die_temp {
>                 reg = <PMR735A_ADC7_DIE_TEMP>;