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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2023 Arm Ltd.
*/
/dts-v1/;
#include "sun50i-h616.dtsi"
#include "sun50i-h616-cpu-opp.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/leds/common.h>
/ {
model = "OrangePi Zero 2W";
compatible = "xunlong,orangepi-zero2w", "allwinner,sun50i-h618";
aliases {
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
leds {
compatible = "gpio-leds";
led-0 {
function = LED_FUNCTION_STATUS;
color = <LED_COLOR_ID_GREEN>;
gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
};
};
reg_vcc5v: vcc5v {
/* board wide 5V supply directly from the USB-C socket */
compatible = "regulator-fixed";
regulator-name = "vcc-5v";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
reg_vcc3v3: vcc3v3 {
/* SY8089 DC/DC converter */
compatible = "regulator-fixed";
regulator-name = "vcc-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <®_vcc5v>;
regulator-always-on;
};
};
&cpu0 {
cpu-supply = <®_dcdc2>;
};
&ehci1 {
status = "okay";
};
/* USB 2 & 3 are on the FPC connector (or the exansion board) */
&mmc0 {
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
bus-width = <4>;
vmmc-supply = <®_vcc3v3>;
status = "okay";
};
&ohci1 {
status = "okay";
};
&pio {
vcc-pc-supply = <®_dldo1>;
vcc-pf-supply = <®_dldo1>; /* internally via VCC-IO */
vcc-pg-supply = <®_aldo1>;
vcc-ph-supply = <®_dldo1>; /* internally via VCC-IO */
vcc-pi-supply = <®_dldo1>;
};
&r_i2c {
status = "okay";
axp313: pmic@36 {
compatible = "x-powers,axp313a";
reg = <0x36>;
#interrupt-cells = <1>;
interrupt-controller;
interrupt-parent = <&pio>;
interrupts = <2 9 IRQ_TYPE_LEVEL_LOW>; /* PC9 */
vin1-supply = <®_vcc5v>;
vin2-supply = <®_vcc5v>;
vin3-supply = <®_vcc5v>;
regulators {
/* Supplies VCC-PLL and DRAM */
reg_aldo1: aldo1 {
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc1v8";
};
/* Supplies VCC-IO, so needs to be always on. */
reg_dldo1: dldo1 {
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc3v3";
};
reg_dcdc1: dcdc1 {
regulator-always-on;
regulator-min-microvolt = <810000>;
regulator-max-microvolt = <990000>;
regulator-name = "vdd-gpu-sys";
};
reg_dcdc2: dcdc2 {
regulator-always-on;
regulator-min-microvolt = <810000>;
regulator-max-microvolt = <1100000>;
regulator-name = "vdd-cpu";
};
reg_dcdc3: dcdc3 {
regulator-always-on;
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-name = "vdd-dram";
};
};
};
};
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <40000000>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_ph_pins>;
status = "okay";
};
&usbotg {
/*
* PHY0 pins are connected to a USB-C socket, but a role switch
* is not implemented: both CC pins are pulled to GND.
* The VBUS pins power the device, so a fixed peripheral mode
* is the best choice.
* The board can be powered via GPIOs, in this case port0 *can*
* act as a host (with a cable/adapter ignoring CC), as VBUS is
* then provided by the GPIOs. Any user of this setup would
* need to adjust the DT accordingly: dr_mode set to "host",
* enabling OHCI0 and EHCI0.
*/
dr_mode = "peripheral";
status = "okay";
};
&usbphy {
usb1_vbus-supply = <®_vcc5v>;
status = "okay";
};
|
