120 lines
2.4 KiB
Plaintext
120 lines
2.4 KiB
Plaintext
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Google Trogdor dts fragment for the boards with Parade ps8640 edp bridge
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*
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* Copyright 2021 Google LLC.
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*/
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#include <dt-bindings/gpio/gpio.h>
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/ {
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pp3300_brij_ps8640: pp3300-brij-ps8640-regulator {
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compatible = "regulator-fixed";
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status = "okay";
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regulator-name = "pp3300_brij_ps8640";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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pinctrl-names = "default";
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pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
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vin-supply = <&pp3300_a>;
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};
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};
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/*
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* ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES
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*
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* Sort order matches the order in the parent files (parents before children).
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*/
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&pp3300_dx_edp {
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off-on-delay-us = <500000>;
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/*
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* It's nicer to start with this regulator enabled. The
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* bootloader may have left it on and it's nice not to cause an
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* extra power cycle of the touchscreen and eDP panel at bootup.
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* This should help speed bootup because we have off-on-delay-us.
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*/
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regulator-boot-on;
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};
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/* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */
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&dsi0_out {
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remote-endpoint = <&ps8640_in>;
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};
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edp_brij_i2c: &i2c2 {
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status = "okay";
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clock-frequency = <400000>;
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ps8640_bridge: bridge@8 {
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compatible = "parade,ps8640";
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reg = <0x8>;
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powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
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reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>;
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vdd12-supply = <&pp1200_brij>;
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vdd33-supply = <&pp3300_brij_ps8640>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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ps8640_in: endpoint {
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remote-endpoint = <&dsi0_out>;
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};
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};
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port@1 {
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reg = <1>;
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ps8640_out: endpoint {
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remote-endpoint = <&panel_in_edp>;
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};
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};
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};
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aux-bus {
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panel: panel {
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/* Compatible will be filled in per-board */
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power-supply = <&pp3300_dx_edp>;
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backlight = <&backlight>;
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port {
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panel_in_edp: endpoint {
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remote-endpoint = <&ps8640_out>;
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};
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};
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};
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};
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};
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};
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&tlmm {
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edp_brij_ps8640_rst: edp-brij-ps8640-rst-state {
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pins = "gpio11";
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function = "gpio";
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drive-strength = <2>;
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bias-disable;
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};
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en_pp3300_edp_brij_ps8640: en-pp3300-edp-brij-ps8640-state {
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pins = "gpio32";
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function = "gpio";
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drive-strength = <2>;
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bias-disable;
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};
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};
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