1// 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";
 31		pinctrl-names = "default";
 32
 33		pwr_led {
 34			label = "bananapi-m2-zero:red:pwr";
 35			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
 36			default-state = "on";
 37		};
 38	};
 39
 40	gpio_keys {
 41		compatible = "gpio-keys";
 42		pinctrl-names = "default";
 43
 44		sw4 {
 45			label = "power";
 46			linux,code = <BTN_0>;
 47			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
 48		};
 49	};
 50
 51	wifi_pwrseq: wifi_pwrseq {
 52		compatible = "mmc-pwrseq-simple";
 53		pinctrl-names = "default";
 54		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
 55	};
 56};
 57
 58&ehci0 {
 59	status = "okay";
 60};
 61
 62&mmc0 {
 63	vmmc-supply = <&reg_vcc3v3>;
 64	bus-width = <4>;
 65	/*
 66	 * On the production batch of this board the card detect GPIO is
 67	 * high active (card inserted), although on the early samples it's
 68	 * low active.
 69	 */
 70	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
 71	status = "okay";
 72};
 73
 74&mmc1 {
 75	vmmc-supply = <&reg_vcc3v3>;
 76	vqmmc-supply = <&reg_vcc3v3>;
 77	mmc-pwrseq = <&wifi_pwrseq>;
 78	bus-width = <4>;
 79	non-removable;
 80	status = "okay";
 81
 82	brcmf: wifi@1 {
 83		reg = <1>;
 84		compatible = "brcm,bcm4329-fmac";
 85		interrupt-parent = <&pio>;
 86		interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
 87		interrupt-names = "host-wake";
 88	};
 89};
 90
 91&ohci0 {
 92	status = "okay";
 93};
 94
 95&uart0 {
 96	pinctrl-names = "default";
 97	pinctrl-0 = <&uart0_pins_a>;
 98	status = "okay";
 99};
100
101&uart1 {
102	pinctrl-names = "default";
103	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
104	status = "okay";
105};
106
107&usb_otg {
108	dr_mode = "otg";
109	status = "okay";
110};
111
112&usbphy {
113	usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
114	/*
115	 * There're two micro-USB connectors, one is power-only and another is
116	 * OTG. The Vbus of these two connectors are connected together, so
117	 * the external USB device will be powered just by the power input
118	 * from the power-only USB port.
119	 */
120	status = "okay";
121};