Re: [PATCH v2 3/3] arm64: dts: sc7180: Support Parade ps8640 edp bridge

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Quoting Philip Chen (2021-09-29 17:34:58)
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-parade-ps8640.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-parade-ps8640.dtsi
> new file mode 100644
> index 000000000000..c274ab41bd67
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-parade-ps8640.dtsi
> @@ -0,0 +1,108 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Google Trogdor dts fragment for the boards with Parade ps8640 edp bridge
> + *
> + * Copyright 2021 Google LLC.
> + */
> +
> +/ {
> +       pp3300_brij_ps8640: pp3300-brij-ps8640 {
> +               compatible = "regulator-fixed";
> +               status = "okay";
> +               regulator-name = "pp3300_brij_ps8640";
> +
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +
> +               gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;

Doesn't this need

		enable-active-high;

?

> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
> +
> +               vin-supply = <&pp3300_a>;
> +       };
> +};
> +
> +&dsi0_out {
> +       remote-endpoint = <&ps8640_in>;

Should this also have data-lanes to be "complete"?

> +};
> +
> +edp_brij_i2c: &i2c2 {
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       ps8640_bridge: edp-bridge@8 {

Just bridge@8 to match ti bridge? Also, is the label used? If not
please drop it.

> +               compatible = "parade,ps8640";
> +               reg = <0x8>;
> +
> +               powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
> +               reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>;
> +
> +               vdd12-supply = <&pp1200_brij>;
> +               vdd33-supply = <&pp3300_brij_ps8640>;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +                               ps8640_in: endpoint {
> +                                       remote-endpoint = <&dsi0_out>;
> +                               };
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +                               ps8640_out: endpoint {
> +                                       remote-endpoint = <&panel_in_edp>;
> +                               };
> +                       };
> +               };
> +
> +               aux_bus: aux-bus {

Is this label used either?

> +                       panel: panel {
> +                               /* Compatible will be filled in per-board */
> +                               power-supply = <&pp3300_dx_edp>;
> +                               backlight = <&backlight>;
> +
> +                               port {
> +                                       panel_in_edp: endpoint {
> +                                               remote-endpoint = <&ps8640_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +       };
> +};
> +



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