0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Google Trogdor dts fragment for the boards with Parade ps8640 edp bridge
0004 *
0005 * Copyright 2021 Google LLC.
0006 */
0007
0008 #include <dt-bindings/gpio/gpio.h>
0009
0010 / {
0011 pp3300_brij_ps8640: pp3300-brij-ps8640 {
0012 compatible = "regulator-fixed";
0013 status = "okay";
0014 regulator-name = "pp3300_brij_ps8640";
0015
0016 regulator-min-microvolt = <3300000>;
0017 regulator-max-microvolt = <3300000>;
0018
0019 gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;
0020 enable-active-high;
0021
0022 pinctrl-names = "default";
0023 pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
0024
0025 vin-supply = <&pp3300_a>;
0026 };
0027 };
0028
0029 &dsi0_out {
0030 remote-endpoint = <&ps8640_in>;
0031 };
0032
0033 edp_brij_i2c: &i2c2 {
0034 status = "okay";
0035 clock-frequency = <400000>;
0036
0037 ps8640_bridge: bridge@8 {
0038 compatible = "parade,ps8640";
0039 reg = <0x8>;
0040
0041 powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
0042 reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
0043
0044 pinctrl-names = "default";
0045 pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>;
0046
0047 vdd12-supply = <&pp1200_brij>;
0048 vdd33-supply = <&pp3300_brij_ps8640>;
0049
0050 ports {
0051 #address-cells = <1>;
0052 #size-cells = <0>;
0053
0054 port@0 {
0055 reg = <0>;
0056 ps8640_in: endpoint {
0057 remote-endpoint = <&dsi0_out>;
0058 };
0059 };
0060
0061 port@1 {
0062 reg = <1>;
0063 ps8640_out: endpoint {
0064 remote-endpoint = <&panel_in_edp>;
0065 };
0066 };
0067 };
0068
0069 aux-bus {
0070 panel: panel {
0071 /* Compatible will be filled in per-board */
0072 power-supply = <&pp3300_dx_edp>;
0073 backlight = <&backlight>;
0074
0075 port {
0076 panel_in_edp: endpoint {
0077 remote-endpoint = <&ps8640_out>;
0078 };
0079 };
0080 };
0081 };
0082 };
0083 };
0084
0085 &tlmm {
0086 edp_brij_ps8640_rst: edp-brij-ps8640-rst {
0087 pinmux {
0088 pins = "gpio11";
0089 function = "gpio";
0090 };
0091
0092 pinconf {
0093 pins = "gpio11";
0094 drive-strength = <2>;
0095 bias-disable;
0096 };
0097 };
0098
0099 en_pp3300_edp_brij_ps8640: en-pp3300-edp-brij-ps8640 {
0100 pinmux {
0101 pins = "gpio32";
0102 function = "gpio";
0103 };
0104
0105 pinconf {
0106 pins = "gpio32";
0107 drive-strength = <2>;
0108 bias-disable;
0109 };
0110 };
0111 };
