Re: [PATCH v6 2/2] arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

From: Dmitry Baryshkov
Date: Wed Apr 02 2025 - 10:23:23 EST


On Wed, Apr 02, 2025 at 03:57:23PM +0530, Manikanta Mylavarapu wrote:
> Enable the PCIe controller and PHY nodes corresponding to RDP466.
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
> ---
> Changes in V6:
> - No change.
>
> arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 41 ++++++++++++++++++++-
> 1 file changed, 40 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> index 0fd0ebe0251d..1f89530cb035 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> @@ -82,6 +82,32 @@ &dwc_1 {
> dr_mode = "host";
> };
>
> +&pcie2 {
> + pinctrl-0 = <&pcie2_default_state>;
> + pinctrl-names = "default";
> +
> + perst-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;


No wake-gpios? Please document it in the commit message.

> +
> + status = "okay";
> +};
> +
> +&pcie2_phy {
> + status = "okay";
> +};
> +
> +&pcie3 {
> + pinctrl-0 = <&pcie3_default_state>;
> + pinctrl-names = "default";
> +
> + perst-gpios = <&tlmm 34 GPIO_ACTIVE_LOW>;
> +
> + status = "okay";
> +};
> +
> +&pcie3_phy {
> + status = "okay";
> +};
> +
> &qusb_phy_0 {
> vdd-supply = <&vreg_misc_0p925>;
> vdda-pll-supply = <&vreg_misc_1p8>;
> @@ -197,6 +223,20 @@ data-pins {
> bias-pull-up;
> };
> };
> +
> + pcie2_default_state: pcie2-default-state {
> + pins = "gpio31";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> +
> + pcie3_default_state: pcie3-default-state {
> + pins = "gpio34";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> };
>
> &uart1 {
> @@ -216,4 +256,3 @@ &usb3 {
> &xo_board {
> clock-frequency = <24000000>;
> };
> -
> --
> 2.34.1
>

--
With best wishes
Dmitry