1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Samsung's ExynosAutov920 SADK board device tree source
4 *
5 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
6 *
7 */
8
9 /dts-v1/;
10 #include "exynosautov920.dtsi"
11 #include "exynos-pinctrl.h"
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/input/input.h>
14
15 / {
16 model = "Samsung ExynosAutov920 SADK board";
17 compatible = "samsung,exynosautov920-sadk", "samsung,exynosautov920";
18
19 #address-cells = <2>;
20 #size-cells = <2>;
21
22 aliases {
23 serial0 = &serial_0;
24 };
25
26 chosen {
27 stdout-path = &serial_0;
28 };
29
30 gpio-keys {
31 compatible = "gpio-keys";
32 pinctrl-names = "default";
33 pinctrl-0 = <&key_wakeup &key_back>;
34
35 key-wakeup {
36 label = "KEY_WAKEUP";
37 linux,code = <KEY_WAKEUP>;
38 gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
39 wakeup-source;
40 };
41
42 key-back {
43 label = "KEY_BACK";
44 linux,code = <KEY_BACK>;
45 gpios = <&gpp6 3 GPIO_ACTIVE_LOW>;
46 };
47 };
48
49 memory@80000000 {
50 device_type = "memory";
51 reg = <0x0 0x80000000 0x0 0x70000000>,
52 <0x8 0x80000000 0x1 0xfba00000>,
53 <0xa 0x00000000 0x2 0x00000000>;
54 };
55 };
56
57 &pinctrl_alive {
58 key_wakeup: key-wakeup-pins {
59 samsung,pins = "gpa0-0";
60 samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
61 };
62 };
63
64 &pinctrl_peric1 {
65 key_back: key-back-pins {
66 samsung,pins = "gpp6-3";
67 samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
68 };
69 };
70
71 &pwm {
72 pinctrl-names = "default";
73 pinctrl-0 = <&pwm_tout0>;
74 status = "okay";
75 };
76
77 &serial_0 {
78 status = "okay";
79 };
80
81 &usi_0 {
82 samsung,clkreq-on; /* needed for UART mode */
83 status = "okay";
84 };
85
86 &xtcxo {
87 clock-frequency = <38400000>;
88 };
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