91 lines
1.7 KiB
Plaintext
91 lines
1.7 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/*
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* Device Tree Overlay for the RPi Display 2 MIPI DSI panel connected
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* to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
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*
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* Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
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*/
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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&{/} {
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display_bl: backlight {
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compatible = "pwm-backlight";
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pwms = <&mcu 0 255 0>;
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};
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reg_display: regulator-display {
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compatible = "regulator-fixed";
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regulator-name = "rpi-display";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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reg_dsi_touch: regulator-dsi-touch {
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compatible = "regulator-fixed";
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gpio = <&mcu 1 GPIO_ACTIVE_HIGH>;
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regulator-name = "rpi-touch";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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startup-delay-us = <50000>;
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enable-active-high;
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};
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};
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&i2c0_mux3 {
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#address-cells = <1>;
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#size-cells = <0>;
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mcu: gpio@45 {
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compatible = "raspberrypi,touchscreen-panel-regulator-v2";
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reg = <0x45>;
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gpio-controller;
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#gpio-cells = <2>;
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#pwm-cells = <3>;
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};
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touchscreen@5d {
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compatible = "goodix,gt911";
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reg = <0x5d>;
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AVDD28-supply = <®_dsi_touch>;
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touchscreen-size-x = <720>;
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touchscreen-size-y = <1280>;
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};
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};
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&dsi0 {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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dsi0_out: endpoint {
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remote-endpoint = <&panel_in>;
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data-lanes = <1 2>;
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};
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};
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};
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panel: panel@0 {
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reg = <0>;
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backlight = <&display_bl>;
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power-supply = <®_display>;
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reset-gpios = <&mcu 0 GPIO_ACTIVE_LOW>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&dsi0_out>;
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};
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};
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};
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};
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