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Jun Nie7bb0d212018-10-27 13:11:00 +08001// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
4 *
5 * Based on sun8i-h3-bananapi-m2-plus.dts, which is:
6 * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
7 */
8
9/dts-v1/;
10#include "sun8i-h3.dtsi"
11#include "sunxi-common-regulators.dtsi"
12
13#include <dt-bindings/gpio/gpio.h>
14#include <dt-bindings/input/input.h>
15
16/ {
17 model = "Banana Pi BPI-M2-Zero";
18 compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
19
20 aliases {
21 serial0 = &uart0;
22 serial1 = &uart1;
23 };
24
25 chosen {
26 stdout-path = "serial0:115200n8";
27 };
28
29 leds {
30 compatible = "gpio-leds";
Jun Nie7bb0d212018-10-27 13:11:00 +080031
32 pwr_led {
33 label = "bananapi-m2-zero:red:pwr";
34 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
35 default-state = "on";
36 };
37 };
38
39 gpio_keys {
40 compatible = "gpio-keys";
Jun Nie7bb0d212018-10-27 13:11:00 +080041
42 sw4 {
43 label = "power";
44 linux,code = <BTN_0>;
45 gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
46 };
47 };
48
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +080049 reg_vdd_cpux: vdd-cpux-regulator {
50 compatible = "regulator-gpio";
51 regulator-name = "vdd-cpux";
52 regulator-type = "voltage";
53 regulator-boot-on;
54 regulator-always-on;
55 regulator-min-microvolt = <1100000>;
56 regulator-max-microvolt = <1300000>;
57 regulator-ramp-delay = <50>; /* 4ms */
58
59 gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
60 enable-active-high;
61 gpios-states = <0x1>;
62 states = <1100000 0>, <1300000 1>;
63 };
64
Jun Nie7bb0d212018-10-27 13:11:00 +080065 wifi_pwrseq: wifi_pwrseq {
66 compatible = "mmc-pwrseq-simple";
Jun Nie7bb0d212018-10-27 13:11:00 +080067 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +080068 clocks = <&rtc 1>;
69 clock-names = "ext_clock";
Jun Nie7bb0d212018-10-27 13:11:00 +080070 };
71};
72
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +080073&cpu0 {
74 cpu-supply = <&reg_vdd_cpux>;
75};
76
Jun Nie7bb0d212018-10-27 13:11:00 +080077&ehci0 {
78 status = "okay";
79};
80
81&mmc0 {
82 vmmc-supply = <&reg_vcc3v3>;
83 bus-width = <4>;
84 /*
85 * On the production batch of this board the card detect GPIO is
86 * high active (card inserted), although on the early samples it's
87 * low active.
88 */
89 cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
90 status = "okay";
91};
92
93&mmc1 {
94 vmmc-supply = <&reg_vcc3v3>;
95 vqmmc-supply = <&reg_vcc3v3>;
96 mmc-pwrseq = <&wifi_pwrseq>;
97 bus-width = <4>;
98 non-removable;
99 status = "okay";
100
101 brcmf: wifi@1 {
102 reg = <1>;
103 compatible = "brcm,bcm4329-fmac";
104 interrupt-parent = <&pio>;
105 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
106 interrupt-names = "host-wake";
107 };
108};
109
110&ohci0 {
111 status = "okay";
112};
113
114&uart0 {
115 pinctrl-names = "default";
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +0800116 pinctrl-0 = <&uart0_pa_pins>;
Jun Nie7bb0d212018-10-27 13:11:00 +0800117 status = "okay";
118};
119
120&uart1 {
121 pinctrl-names = "default";
122 pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +0800123 uart-has-rtscts;
Jun Nie7bb0d212018-10-27 13:11:00 +0800124 status = "okay";
Chen-Yu Tsaib5fe5232020-01-12 23:36:13 +0800125
126 bluetooth {
127 compatible = "brcm,bcm43438-bt";
128 clocks = <&rtc 1>;
129 clock-names = "lpo";
130 vbat-supply = <&reg_vcc3v3>;
131 vddio-supply = <&reg_vcc3v3>;
132 device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
133 host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
134 shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
135 };
136
Jun Nie7bb0d212018-10-27 13:11:00 +0800137};
138
139&usb_otg {
140 dr_mode = "otg";
141 status = "okay";
142};
143
144&usbphy {
145 usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
146 /*
147 * There're two micro-USB connectors, one is power-only and another is
148 * OTG. The Vbus of these two connectors are connected together, so
149 * the external USB device will be powered just by the power input
150 * from the power-only USB port.
151 */
152 status = "okay";
153};