On 26.08.2023 00:08, Dmitry Baryshkov wrote:
> Enable two PCIe hosts support on Qualcomm SDM845 MTP board.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 81 +++++++++++++++++++++++++
> 1 file changed, 81 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> index aec3f358d426..9fb41d2453c8 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> @@ -533,6 +533,36 @@ &mss_pil {
> firmware-name = "qcom/sdm845/mba.mbn", "qcom/sdm845/modem.mbn";
> };
>
> +&pcie0 {
> + status = "okay";
last
> + perst-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie0_default_state>;
flip
[...]
> + pcie0_default_state: pcie0-default-state {
> + clkreq-pins {
> + pins = "gpio36";
> + function = "pci_e0";
> + bias-pull-up;
> + };
> +
> + perst-n-pins {
> + pins = "gpio35";
> + function = "gpio";
> +
> + drive-strength = <2>;
drop newline
> + output-low;
> + bias-pull-down;
flip
Konrad
