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// 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";
pinctrl-names = "default";
pwr_led {
label = "bananapi-m2-zero:red:pwr";
gpios = <&r_pio 0 10 GPIO_ACTIVE_LOW>; /* PL10 */
default-state = "on";
};
};
gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
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 0x0
1300000 0x1>;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
};
};
&cpu0 {
cpu-supply = <®_vdd_cpux>;
};
&ehci0 {
status = "okay";
};
&mmc0 {
vmmc-supply = <®_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 = <®_vcc3v3>;
vqmmc-supply = <®_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_pins_a>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
status = "okay";
};
&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";
};
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