1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Common file for omap dpi panels with QVGA and reset pins
4 *
5 * Note that the board specifc DTS file needs to specify
6 * at minimum the GPIO enable-gpios for display, and
7 * gpios for gpio-backlight.
8 */
9
10 / {
11 aliases {
12 display0 = &lcd0;
13 };
14
15 backlight0: backlight {
16 compatible = "gpio-backlight";
17 default-on;
18 };
19
20 /* 3.3V GPIO controlled regulator for LCD_ENVDD */
21 lcd_3v3: regulator-lcd-3v3 {
22 compatible = "regulator-fixed";
23 regulator-name = "lcd_3v3";
24 regulator-min-microvolt = <3300000>;
25 regulator-max-microvolt = <3300000>;
26 startup-delay-us = <70000>;
27 };
28
29 lcd0: display {
30 compatible = "sharp,ls037v7dw01";
31 label = "lcd";
32 power-supply = <&lcd_3v3>;
33 envdd-supply = <&lcd_3v3>;
34
35 port {
36 lcd_in: endpoint {
37 remote-endpoint = <&dpi_out>;
38 };
39 };
40 };
41 };
42
43 /* Needed to power the DPI pins */
44 &vpll2 {
45 regulator-always-on;
46 };
47
48 &dss {
49 status = "okay";
50 port {
51 dpi_out: endpoint {
52 remote-endpoint = <&lcd_in>;
53 data-lines = <18>;
54 };
55 };
56 };
57
58 &mcspi1 {
59 tsc2046@0 {
60 reg = <0>; /* CS0 */
61 compatible = "ti,tsc2046";
62 spi-max-frequency = <1000000>;
63 vcc-supply = <&lcd_3v3>;
64 ti,x-min = /bits/ 16 <0>;
65 ti,x-max = /bits/ 16 <8000>;
66 ti,y-min = /bits/ 16 <0>;
67 ti,y-max = /bits/ 16 <4800>;
68 ti,x-plate-ohms = /bits/ 16 <40>;
69 ti,pressure-max = /bits/ 16 <255>;
70 ti,swap-xy;
71 wakeup-source;
72 };
73 };
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