1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Google Veyron Tiger Rev 0+ board device tree source
4 *
5 * Copyright 2016 Google, Inc
6 */
7
8 /dts-v1/;
9 #include "rk3288-veyron-fievel.dts"
10 #include "rk3288-veyron-edp.dtsi"
11
12 / {
13 model = "Google Tiger";
14 compatible = "google,veyron-tiger-rev8", "google,veyron-tiger-rev7",
15 "google,veyron-tiger-rev6", "google,veyron-tiger-rev5",
16 "google,veyron-tiger-rev4", "google,veyron-tiger-rev3",
17 "google,veyron-tiger-rev2", "google,veyron-tiger-rev1",
18 "google,veyron-tiger-rev0", "google,veyron-tiger",
19 "google,veyron", "rockchip,rk3288";
20
21 /delete-node/ vcc18-lcd;
22 };
23
24 &backlight {
25 /* Tiger panel PWM must be >= 1%, so start non-zero brightness at 3 */
26 brightness-levels = <3 255>;
27 num-interpolated-steps = <252>;
28 };
29
30 &backlight_regulator {
31 vin-supply = <&vccsys>;
32 };
33
34 &i2c3 {
35 status = "okay";
36
37 clock-frequency = <400000>;
38 i2c-scl-falling-time-ns = <50>;
39 i2c-scl-rising-time-ns = <300>;
40
41 touchscreen@10 {
42 compatible = "elan,ekth3500";
43 reg = <0x10>;
44 interrupt-parent = <&gpio2>;
45 interrupts = <RK_PB6 IRQ_TYPE_EDGE_FALLING>;
46 pinctrl-names = "default";
47 pinctrl-0 = <&touch_int &touch_rst>;
48 reset-gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_LOW>;
49 vcc33-supply = <&vcc33_io>;
50 vccio-supply = <&vcc33_io>;
51 wakeup-source;
52 };
53 };
54
55 &panel {
56 compatible = "auo,b101ean01";
57
58 /delete-node/ panel-timing;
59
60 panel-timing {
61 clock-frequency = <66666667>;
62 hactive = <1280>;
63 hfront-porch = <18>;
64 hback-porch = <21>;
65 hsync-len = <32>;
66 vactive = <800>;
67 vfront-porch = <4>;
68 vback-porch = <8>;
69 vsync-len = <18>;
70 };
71 };
72
73 &pinctrl {
74 lcd {
75 /delete-node/ avdd-1v8-disp-en;
76 };
77
78 touchscreen {
79 touch_int: touch-int {
80 rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
81 };
82
83 touch_rst: touch-rst {
84 rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
85 };
86 };
87 };
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