1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) 2023 Arm Ltd.
4 */
5
6 /dts-v1/;
7
8 #include "sun50i-h616.dtsi"
9 #include "sun50i-h616-cpu-opp.dtsi"
10
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/leds/common.h>
14
15 / {
16 model = "OrangePi Zero 2W";
17 compatible = "xunlong,orangepi-zero2w", "allwinner,sun50i-h618";
18
19 aliases {
20 serial0 = &uart0;
21 };
22
23 chosen {
24 stdout-path = "serial0:115200n8";
25 };
26
27 leds {
28 compatible = "gpio-leds";
29
30 led-0 {
31 function = LED_FUNCTION_STATUS;
32 color = <LED_COLOR_ID_GREEN>;
33 gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
34 };
35 };
36
37 reg_vcc5v: vcc5v {
38 /* board wide 5V supply directly from the USB-C socket */
39 compatible = "regulator-fixed";
40 regulator-name = "vcc-5v";
41 regulator-min-microvolt = <5000000>;
42 regulator-max-microvolt = <5000000>;
43 regulator-always-on;
44 };
45
46 reg_vcc3v3: vcc3v3 {
47 /* SY8089 DC/DC converter */
48 compatible = "regulator-fixed";
49 regulator-name = "vcc-3v3";
50 regulator-min-microvolt = <3300000>;
51 regulator-max-microvolt = <3300000>;
52 vin-supply = <®_vcc5v>;
53 regulator-always-on;
54 };
55 };
56
57 &cpu0 {
58 cpu-supply = <®_dcdc2>;
59 };
60
61 &ehci1 {
62 status = "okay";
63 };
64
65 /* USB 2 & 3 are on the FPC connector (or the exansion board) */
66
67 &mmc0 {
68 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
69 bus-width = <4>;
70 vmmc-supply = <®_vcc3v3>;
71 status = "okay";
72 };
73
74 &ohci1 {
75 status = "okay";
76 };
77
78 &pio {
79 vcc-pc-supply = <®_dldo1>;
80 vcc-pf-supply = <®_dldo1>; /* internally via VCC-IO */
81 vcc-pg-supply = <®_aldo1>;
82 vcc-ph-supply = <®_dldo1>; /* internally via VCC-IO */
83 vcc-pi-supply = <®_dldo1>;
84 };
85
86 &r_i2c {
87 status = "okay";
88
89 axp313: pmic@36 {
90 compatible = "x-powers,axp313a";
91 reg = <0x36>;
92 #interrupt-cells = <1>;
93 interrupt-controller;
94 interrupt-parent = <&pio>;
95 interrupts = <2 9 IRQ_TYPE_LEVEL_LOW>; /* PC9 */
96
97 vin1-supply = <®_vcc5v>;
98 vin2-supply = <®_vcc5v>;
99 vin3-supply = <®_vcc5v>;
100
101 regulators {
102 /* Supplies VCC-PLL and DRAM */
103 reg_aldo1: aldo1 {
104 regulator-always-on;
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <1800000>;
107 regulator-name = "vcc1v8";
108 };
109
110 /* Supplies VCC-IO, so needs to be always on. */
111 reg_dldo1: dldo1 {
112 regulator-always-on;
113 regulator-min-microvolt = <3300000>;
114 regulator-max-microvolt = <3300000>;
115 regulator-name = "vcc3v3";
116 };
117
118 reg_dcdc1: dcdc1 {
119 regulator-always-on;
120 regulator-min-microvolt = <810000>;
121 regulator-max-microvolt = <990000>;
122 regulator-name = "vdd-gpu-sys";
123 };
124
125 reg_dcdc2: dcdc2 {
126 regulator-always-on;
127 regulator-min-microvolt = <810000>;
128 regulator-max-microvolt = <1100000>;
129 regulator-name = "vdd-cpu";
130 };
131
132 reg_dcdc3: dcdc3 {
133 regulator-always-on;
134 regulator-min-microvolt = <1100000>;
135 regulator-max-microvolt = <1100000>;
136 regulator-name = "vdd-dram";
137 };
138 };
139 };
140 };
141
142 &spi0 {
143 status = "okay";
144 pinctrl-names = "default";
145 pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
146
147 flash@0 {
148 #address-cells = <1>;
149 #size-cells = <1>;
150 compatible = "jedec,spi-nor";
151 reg = <0>;
152 spi-max-frequency = <40000000>;
153 };
154 };
155
156 &uart0 {
157 pinctrl-names = "default";
158 pinctrl-0 = <&uart0_ph_pins>;
159 status = "okay";
160 };
161
162 &usbotg {
163 /*
164 * PHY0 pins are connected to a USB-C socket, but a role switch
165 * is not implemented: both CC pins are pulled to GND.
166 * The VBUS pins power the device, so a fixed peripheral mode
167 * is the best choice.
168 * The board can be powered via GPIOs, in this case port0 *can*
169 * act as a host (with a cable/adapter ignoring CC), as VBUS is
170 * then provided by the GPIOs. Any user of this setup would
171 * need to adjust the DT accordingly: dr_mode set to "host",
172 * enabling OHCI0 and EHCI0.
173 */
174 dr_mode = "peripheral";
175 status = "okay";
176 };
177
178 &usbphy {
179 usb1_vbus-supply = <®_vcc5v>;
180 status = "okay";
181 };
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