xref: /linux/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Oriole Device Tree
4 *
5 * Copyright 2021-2023 Google LLC
6 * Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org>
7 */
8
9/dts-v1/;
10
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/input/input.h>
13#include "gs101-pinctrl.h"
14#include "gs101.dtsi"
15
16/ {
17	model = "Oriole";
18	compatible = "google,gs101-oriole", "google,gs101";
19
20	aliases {
21		serial0 = &serial_0;
22	};
23
24	chosen {
25		/* Bootloader expects bootargs specified otherwise it crashes */
26		bootargs = "";
27		stdout-path = &serial_0;
28	};
29
30	gpio-keys {
31		compatible = "gpio-keys";
32		pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
33		pinctrl-names = "default";
34
35		button-vol-down {
36			label = "KEY_VOLUMEDOWN";
37			linux,code = <KEY_VOLUMEDOWN>;
38			gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
39			wakeup-source;
40		};
41
42		button-vol-up {
43			label = "KEY_VOLUMEUP";
44			linux,code = <KEY_VOLUMEUP>;
45			gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
46			wakeup-source;
47		};
48
49		button-power {
50			label = "KEY_POWER";
51			linux,code = <KEY_POWER>;
52			gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
53			wakeup-source;
54		};
55	};
56
57	/* TODO: Remove this once PMIC is implemented  */
58	reg_placeholder: regulator-0 {
59		compatible = "regulator-fixed";
60		regulator-name = "placeholder_reg";
61	};
62
63	/* TODO: Remove this once S2MPG11 slave PMIC is implemented  */
64	ufs_0_fixed_vcc_reg: regulator-1 {
65		compatible = "regulator-fixed";
66		regulator-name = "ufs-vcc";
67		gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
68		regulator-boot-on;
69		enable-active-high;
70	};
71};
72
73&ext_24_5m {
74	clock-frequency = <24576000>;
75};
76
77&ext_200m {
78	clock-frequency = <200000000>;
79};
80
81&hsi2c_8 {
82	status = "okay";
83
84	eeprom: eeprom@50 {
85		compatible = "atmel,24c08";
86		reg = <0x50>;
87	};
88};
89
90&hsi2c_12 {
91	status = "okay";
92	/* TODO: add the devices once drivers exist */
93};
94
95&pinctrl_far_alive {
96	key_voldown: key-voldown-pins {
97		samsung,pins = "gpa7-3";
98		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
99		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
100		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
101	};
102
103	key_volup: key-volup-pins {
104		samsung,pins = "gpa8-1";
105		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
106		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
107		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
108	};
109};
110
111&pinctrl_gpio_alive {
112	key_power: key-power-pins {
113		samsung,pins = "gpa10-1";
114		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
115		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
116		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
117	};
118};
119
120&serial_0 {
121	status = "okay";
122};
123
124&ufs_0 {
125	status = "okay";
126	vcc-supply = <&ufs_0_fixed_vcc_reg>;
127};
128
129&ufs_0_phy {
130	status = "okay";
131};
132
133&usbdrd31 {
134	vdd10-supply = <&reg_placeholder>;
135	vdd33-supply = <&reg_placeholder>;
136	status = "okay";
137};
138
139&usbdrd31_dwc3 {
140	dr_mode = "otg";
141	usb-role-switch;
142	role-switch-default-mode = "peripheral";
143	maximum-speed = "super-speed-plus";
144	status = "okay";
145};
146
147&usbdrd31_phy {
148	/* TODO: Update these once PMIC is implemented */
149	pll-supply = <&reg_placeholder>;
150	dvdd-usb20-supply = <&reg_placeholder>;
151	vddh-usb20-supply = <&reg_placeholder>;
152	vdd33-usb20-supply = <&reg_placeholder>;
153	vdda-usbdp-supply = <&reg_placeholder>;
154	vddh-usbdp-supply = <&reg_placeholder>;
155	status = "okay";
156};
157
158&usi_uart {
159	samsung,clkreq-on; /* needed for UART mode */
160	status = "okay";
161};
162
163&usi8 {
164	samsung,mode = <USI_V2_I2C>;
165	status = "okay";
166};
167
168&usi12 {
169	samsung,mode = <USI_V2_I2C>;
170	status = "okay";
171};
172
173&watchdog_cl0 {
174	timeout-sec = <30>;
175	status = "okay";
176};
177