0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Common file for omap dpi panels with QVGA and reset pins
0004 *
0005 * Note that the board specifc DTS file needs to specify
0006 * at minimum the GPIO enable-gpios for display, and
0007 * gpios for gpio-backlight.
0008 */
0009
0010 / {
0011 aliases {
0012 display0 = &lcd0;
0013 };
0014
0015 backlight0: backlight {
0016 compatible = "gpio-backlight";
0017 default-on;
0018 };
0019
0020 /* 3.3V GPIO controlled regulator for LCD_ENVDD */
0021 lcd_3v3: regulator-lcd-3v3 {
0022 compatible = "regulator-fixed";
0023 regulator-name = "lcd_3v3";
0024 regulator-min-microvolt = <3300000>;
0025 regulator-max-microvolt = <3300000>;
0026 startup-delay-us = <70000>;
0027 };
0028
0029 lcd0: display {
0030 compatible = "sharp,ls037v7dw01";
0031 label = "lcd";
0032 power-supply = <&lcd_3v3>;
0033 envdd-supply = <&lcd_3v3>;
0034
0035 port {
0036 lcd_in: endpoint {
0037 remote-endpoint = <&dpi_out>;
0038 };
0039 };
0040 };
0041 };
0042
0043 /* Needed to power the DPI pins */
0044 &vpll2 {
0045 regulator-always-on;
0046 };
0047
0048 &dss {
0049 status = "okay";
0050 port {
0051 dpi_out: endpoint {
0052 remote-endpoint = <&lcd_in>;
0053 data-lines = <18>;
0054 };
0055 };
0056 };
0057
0058 &mcspi1 {
0059 tsc2046@0 {
0060 reg = <0>; /* CS0 */
0061 compatible = "ti,tsc2046";
0062 spi-max-frequency = <1000000>;
0063 vcc-supply = <&lcd_3v3>;
0064 ti,x-min = /bits/ 16 <0>;
0065 ti,x-max = /bits/ 16 <8000>;
0066 ti,y-min = /bits/ 16 <0>;
0067 ti,y-max = /bits/ 16 <4800>;
0068 ti,x-plate-ohms = /bits/ 16 <40>;
0069 ti,pressure-max = /bits/ 16 <255>;
0070 ti,swap-xy;
0071 wakeup-source;
0072 };
0073 };
