1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) 2019 Karl Palsson <karlp@tweak.net.au>
4 */
5
6 /dts-v1/;
7 #include "sun8i-h3.dtsi"
8 #include "sunxi-common-regulators.dtsi"
9
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12
13 / {
14 model = "FriendlyARM NanoPi Duo2";
15 compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3";
16
17 aliases {
18 serial0 = &uart0;
19 };
20
21 chosen {
22 stdout-path = "serial0:115200n8";
23 };
24
25 leds {
26 compatible = "gpio-leds";
27
28 led-0 {
29 label = "nanopi:red:pwr";
30 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
31 default-state = "on";
32 };
33
34 led-1 {
35 label = "nanopi:green:status";
36 gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; /* PA10 */
37 };
38 };
39
40 gpio-keys {
41 compatible = "gpio-keys";
42
43 key-0 {
44 label = "k1";
45 linux,code = <BTN_0>;
46 gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /* PL3 */
47 };
48 };
49
50 reg_vdd_cpux: vdd-cpux-regulator {
51 compatible = "regulator-gpio";
52 regulator-name = "vdd-cpux";
53 regulator-min-microvolt = <1100000>;
54 regulator-max-microvolt = <1300000>;
55 regulator-always-on;
56 regulator-boot-on;
57 regulator-ramp-delay = <50>; /* 4ms */
58
59 enable-active-high;
60 enable-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
61 gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
62 gpios-states = <0x1>;
63 states = <1100000 0>, <1300000 1>;
64 };
65
66 reg_vcc_dram: vcc-dram {
67 compatible = "regulator-fixed";
68 regulator-name = "vcc-dram";
69 regulator-min-microvolt = <1500000>;
70 regulator-max-microvolt = <1500000>;
71 regulator-always-on;
72 regulator-boot-on;
73 enable-active-high;
74 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
75 vin-supply = <®_vcc5v0>;
76 };
77
78 reg_vdd_sys: vdd-sys {
79 compatible = "regulator-fixed";
80 regulator-name = "vdd-sys";
81 regulator-min-microvolt = <1200000>;
82 regulator-max-microvolt = <1200000>;
83 regulator-always-on;
84 regulator-boot-on;
85 enable-active-high;
86 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
87 vin-supply = <®_vcc5v0>;
88 };
89
90 wifi_pwrseq: pwrseq {
91 compatible = "mmc-pwrseq-simple";
92 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
93 clocks = <&rtc CLK_OSC32K_FANOUT>;
94 clock-names = "ext_clock";
95 };
96
97 };
98
99 &cpu0 {
100 cpu-supply = <®_vdd_cpux>;
101 };
102
103 &ehci0 {
104 status = "okay";
105 };
106
107 &mmc0 {
108 bus-width = <4>;
109 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
110 status = "okay";
111 vmmc-supply = <®_vcc3v3>;
112 };
113
114 &mmc1 {
115 vmmc-supply = <®_vcc3v3>;
116 vqmmc-supply = <®_vcc3v3>;
117 mmc-pwrseq = <&wifi_pwrseq>;
118 bus-width = <4>;
119 non-removable;
120 status = "okay";
121
122 sdio_wifi: wifi@1 {
123 reg = <1>;
124 compatible = "brcm,bcm4329-fmac";
125 interrupt-parent = <&pio>;
126 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
127 interrupt-names = "host-wake";
128 };
129 };
130
131 &ohci0 {
132 status = "okay";
133 };
134
135 ®_usb0_vbus {
136 gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
137 status = "okay";
138 };
139
140 &uart0 {
141 pinctrl-names = "default";
142 pinctrl-0 = <&uart0_pa_pins>;
143 status = "okay";
144 };
145
146 &uart2 {
147 pinctrl-names = "default";
148 pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>;
149 uart-has-rtscts;
150 status = "okay";
151
152 bluetooth {
153 compatible = "brcm,bcm43438-bt";
154 clocks = <&rtc CLK_OSC32K_FANOUT>;
155 clock-names = "lpo";
156 vbat-supply = <®_vcc3v3>;
157 vddio-supply = <®_vcc3v3>;
158 device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
159 host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
160 shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
161 };
162 };
163
164 &usb_otg {
165 status = "okay";
166 dr_mode = "otg";
167 };
168
169 &usbphy {
170 usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
171 usb0_vbus-supply = <®_usb0_vbus>;
172 status = "okay";
173 };
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