Re: [PATCH 4/4] arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

From: Konrad Dybcio
Date: Fri Dec 13 2024 - 10:12:02 EST


On 13.12.2024 2:49 PM, Manikanta Mylavarapu wrote:
> Enable the PCIe controller and PHY nodes corresponding to RDP466.
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
> ---


> arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 43 +++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> index d4d31026a026..8857b64df1be 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> @@ -45,6 +45,26 @@ data-pins {
> bias-pull-up;
> };
> };
> +
> + pcie2_default_state: pcie2-default-state {
> + perst-n-pins {
> + pins = "gpio31";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-pull-up;
> + output-low;
> + };
> + };

Drop the inner wrapper, in both definitions /\ \/

Konrad

> +
> + pcie3_default_state: pcie3-default-state {
> + perst-n-pins {
> + pins = "gpio34";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-pull-up;
> + output-low;
> + };
> + };
> };
>
> &uart1 {
> @@ -57,3 +77,26 @@ &xo_board {
> clock-frequency = <24000000>;
> };
>
> +&pcie2_phy {
> + status = "okay";
> +};
> +
> +&pcie2 {
> + pinctrl-0 = <&pcie2_default_state>;
> + pinctrl-names = "default";
> +
> + perst-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +&pcie3_phy {
> + status = "okay";
> +};
> +
> +&pcie3 {
> + pinctrl-0 = <&pcie3_default_state>;
> + pinctrl-names = "default";
> +
> + perst-gpios = <&tlmm 34 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};