On Mon, Sep 02, 2024 at 06:01:35PM GMT, Abel Vesa wrote:
> The Qualcomm Snapdragon X Elite CRD board has 3 USB Type-C ports,
> all of them supporting external DP altmode. Between each QMP
> combo PHY and the corresponding Type-C port, sits one Parade PS8830
> retimer which handles both orientation and SBU muxing. Add nodes for
> each retimer, fix the graphs between connectors and the PHYs accordingly,
> add the voltage regulators needed by each retimer and then enable all
> 3 remaining DPUs.
>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 414 +++++++++++++++++++++++++++++-
> 1 file changed, 408 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> index 10b28d870f08..6dfc85eda354 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
[skipped]
> @@ -709,6 +861,163 @@ keyboard@3a {
> };
> };
>
> +&i2c1 {
> + clock-frequency = <400000>;
> +
> + status = "okay";
> +
> + typec-mux@8 {
> + compatible = "parade,ps8830";
> + reg = <0x08>;
> +
> + clocks = <&rpmhcc RPMH_RF_CLK5>;
> + clock-names = "xo";
> +
> + vdd15-supply = <&vreg_rtmr2_1p15>;
> + vdd18-supply = <&vreg_rtmr2_1p8>;
> + vdd33-supply = <&vreg_rtmr2_3p3>;
> +
> + reset-gpios = <&tlmm 185 GPIO_ACTIVE_HIGH>;
> +
> + orientation-switch;
> + retimer-switch;
Doesn't it need to listen to mode switching events? 4-lane DP vs
2/2-lane DP + USB3 requires propagating of the altmode events to the QMP
PHY, see the original 4-lane series.
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + retimer_ss2_ss_out: endpoint {
> + remote-endpoint = <&pmic_glink_ss2_ss_in>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + retimer_ss2_ss_in: endpoint {
> + remote-endpoint = <&usb_1_ss2_qmpphy_out>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + retimer_ss2_con_sbu_out: endpoint {
> + remote-endpoint = <&pmic_glink_ss2_con_sbu_in>;
> + };
> + };
> + };
> + };
> +};
> +
> @@ -1164,7 +1566,7 @@ &usb_1_ss0_dwc3_hs {
> };
>
> &usb_1_ss0_qmpphy_out {
> - remote-endpoint = <&pmic_glink_ss0_ss_in>;
> + remote-endpoint = <&retimer_ss0_ss_in>;
> };
orientation-switch and mode-switch for the QMP PHY?
>
> &usb_1_ss1_hsphy {
> @@ -1196,7 +1598,7 @@ &usb_1_ss1_dwc3_hs {
> };
>
> &usb_1_ss1_qmpphy_out {
> - remote-endpoint = <&pmic_glink_ss1_ss_in>;
> + remote-endpoint = <&retimer_ss1_ss_in>;
> };
>
> &usb_1_ss2_hsphy {
> @@ -1228,5 +1630,5 @@ &usb_1_ss2_dwc3_hs {
> };
>
> &usb_1_ss2_qmpphy_out {
> - remote-endpoint = <&pmic_glink_ss2_ss_in>;
> + remote-endpoint = <&retimer_ss2_ss_in>;
> };
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
