Re: [PATCH v2 09/13] ARM: dts: qcom: sdx55-t55: Enable PCIe RC support

Konrad Dybcio
2023-02-27T08:59:22Z

On 24.02.2023 11:59, Manivannan Sadhasivam wrote:
> Enable PCIe RC support on Thundercomm T55 board.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
> arch/arm/boot/dts/qcom-sdx55-t55.dts | 42 ++++++++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-sdx55-t55.dts b/arch/arm/boot/dts/qcom-sdx55-t55.dts
> index 7ed8feb99afb..6339af791b0b 100644
> --- a/arch/arm/boot/dts/qcom-sdx55-t55.dts
> +++ b/arch/arm/boot/dts/qcom-sdx55-t55.dts
> @@ -242,6 +242,23 @@ &ipa {
> memory-region = <&ipa_fw_mem>;
> };
>
> +&pcie_phy {
> + vdda-phy-supply = <&vreg_l1e_bb_1p2>;
> + vdda-pll-supply = <&vreg_l4e_bb_0p875>;
> +
> + status = "okay";
> +};
> +
> +&pcie_rc {
> + perst-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
> + wake-gpios = <&tlmm 53 GPIO_ACTIVE_HIGH>;
> +
> + pinctrl-0 = <&pcie_default>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
> +
> &qpic_bam {
> status = "ok";
> };
> @@ -265,6 +282,31 @@ &remoteproc_mpss {
> memory-region = <&mpss_adsp_mem>;
> };
>
> +&tlmm {
> + pcie_default: pcie-default-state {
> + clkreq-pins {
> + pins = "gpio56";
> + function = "pcie_clkreq";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> + perst-pins {
> + pins = "gpio57";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-down;
> + };
> +
> + wake-pins {
> + pins = "gpio53";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> + };
> +};
> +
> &usb_hsphy {
> status = "okay";
> vdda-pll-supply = <&vreg_l4e_bb_0p875>;