~sircmpwn/linux

linux/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts -rw-r--r-- 3.1 KiB
a99d8080 — Linus Torvalds Linux 5.4-rc6 11 months ago
                                                                                
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
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
 *
 * Based on sun8i-h3-bananapi-m2-plus.dts, which is:
 *   Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
 */

/dts-v1/;
#include "sun8i-h3.dtsi"
#include "sunxi-common-regulators.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Banana Pi BPI-M2-Zero";
	compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	leds {
		compatible = "gpio-leds";

		pwr_led {
			label = "bananapi-m2-zero:red:pwr";
			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
			default-state = "on";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		sw4 {
			label = "power";
			linux,code = <BTN_0>;
			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
		};
	};

	reg_vdd_cpux: vdd-cpux-regulator {
		compatible = "regulator-gpio";
		regulator-name = "vdd-cpux";
		regulator-type = "voltage";
		regulator-boot-on;
		regulator-always-on;
		regulator-min-microvolt = <1100000>;
		regulator-max-microvolt = <1300000>;
		regulator-ramp-delay = <50>; /* 4ms */

		gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
		enable-active-high;
		gpios-states = <0x1>;
		states = <1100000 0>, <1300000 1>;
	};

	wifi_pwrseq: wifi_pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
		clocks = <&rtc 1>;
		clock-names = "ext_clock";
	};
};

&cpu0 {
	cpu-supply = <&reg_vdd_cpux>;
};

&ehci0 {
	status = "okay";
};

&mmc0 {
	vmmc-supply = <&reg_vcc3v3>;
	bus-width = <4>;
	/*
	 * On the production batch of this board the card detect GPIO is
	 * high active (card inserted), although on the early samples it's
	 * low active.
	 */
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
	status = "okay";
};

&mmc1 {
	vmmc-supply = <&reg_vcc3v3>;
	vqmmc-supply = <&reg_vcc3v3>;
	mmc-pwrseq = <&wifi_pwrseq>;
	bus-width = <4>;
	non-removable;
	status = "okay";

	brcmf: wifi@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
		interrupt-parent = <&pio>;
		interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
		interrupt-names = "host-wake";
	};
};

&ohci0 {
	status = "okay";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pa_pins>;
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
	uart-has-rtscts;
	status = "okay";

	bluetooth {
		compatible = "brcm,bcm43438-bt";
		clocks = <&rtc 1>;
		clock-names = "lpo";
		vbat-supply = <&reg_vcc3v3>;
		vddio-supply = <&reg_vcc3v3>;
		device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
		host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
		shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
	};

};

&usb_otg {
	dr_mode = "otg";
	status = "okay";
};

&usbphy {
	usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
	/*
	 * There're two micro-USB connectors, one is power-only and another is
	 * OTG. The Vbus of these two connectors are connected together, so
	 * the external USB device will be powered just by the power input
	 * from the power-only USB port.
	 */
	status = "okay";
};