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>; > + }; > + }; > + }; > + }; > + }; > +}; > +