blob: 733333b85a9d2cc86631620b5c0f65a5db57c1cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Overlay for the RPi Display 2 MIPI DSI panel connected
* to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
*
* Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
&{/} {
display_bl: backlight {
compatible = "pwm-backlight";
pwms = <&mcu 0 255 0>;
};
reg_display: regulator-display {
compatible = "regulator-fixed";
regulator-name = "rpi-display";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
reg_dsi_touch: regulator-dsi-touch {
compatible = "regulator-fixed";
gpio = <&mcu 1 GPIO_ACTIVE_HIGH>;
regulator-name = "rpi-touch";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <50000>;
enable-active-high;
};
};
&i2c0_mux3 {
#address-cells = <1>;
#size-cells = <0>;
mcu: gpio@45 {
compatible = "raspberrypi,touchscreen-panel-regulator-v2";
reg = <0x45>;
gpio-controller;
#gpio-cells = <2>;
#pwm-cells = <3>;
};
touchscreen@5d {
compatible = "goodix,gt911";
reg = <0x5d>;
AVDD28-supply = <®_dsi_touch>;
touchscreen-size-x = <720>;
touchscreen-size-y = <1280>;
};
};
&dsi0 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
dsi0_out: endpoint {
remote-endpoint = <&panel_in>;
data-lanes = <1 2>;
};
};
};
panel: panel@0 {
reg = <0>;
backlight = <&display_bl>;
power-supply = <®_display>;
reset-gpios = <&mcu 0 GPIO_ACTIVE_LOW>;
port {
panel_in: endpoint {
remote-endpoint = <&dsi0_out>;
};
};
};
};
|
