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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";
};
connector {
compatible = "hdmi-connector";
type = "c";
port {
hdmi_con_in: endpoint {
remote-endpoint = <&hdmi_out_con>;
};
};
};
leds {
compatible = "gpio-leds";
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";
sw4 {
label = "power";
linux,code = <KEY_POWER>;
gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
wakeup-source;
};
};
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>;
};
reg_vcc_dram: vcc-dram {
compatible = "regulator-fixed";
regulator-name = "vcc-dram";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
enable-active-high;
gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
vin-supply = <&reg_vcc5v0>;
};
reg_vcc1v2: vcc1v2 {
compatible = "regulator-fixed";
regulator-name = "vcc1v2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
enable-active-high;
gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
vin-supply = <&reg_vcc5v0>;
};
poweroff {
compatible = "regulator-poweroff";
cpu-supply = <&reg_vcc1v2>;
};
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>;
};
&de {
status = "okay";
};
&ehci0 {
status = "okay";
};
&hdmi {
status = "okay";
};
&hdmi_out {
hdmi_out_con: endpoint {
remote-endpoint = <&hdmi_con_in>;
};
};
&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";
max-speed = <1500000>;
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 */
};
};
&pio {
gpio-line-names =
/* PA */
"CON2-P13", "CON2-P11", "CON2-P22", "CON2-P15",
"CON3-P03", "CON3-P02", "CON2-P07", "CON2-P29",
"CON2-P31", "CON2-P33", "CON2-P35", "CON2-P05",
"CON2-P03", "CON2-P08", "CON2-P10", "CON2-P16",
"CON2-P12", "CON2-P37", "CON2-P28", "CON2-P27",
"CON2-P40", "CON2-P38", "", "",
"", "", "", "", "", "", "", "",
/* PB */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* PC */
"CON2-P19", "CON2-P21", "CON2-P23", "CON2-P24",
"CON2-P18", "", "", "CON2-P26",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* PD */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "CSI-PWR-EN", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* PE */
"CN3-P17", "CN3-P13", "CN3-P09", "CN3-P07",
"CN3-P19", "CN3-P21", "CN3-P22", "CN3-P20",
"CN3-P18", "CN3-P16", "CN3-P14", "CN3-P12",
"CN3-P05", "CN3-P03", "CN3-P06", "CN3-P08",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* PF */
"SDC0-D1", "SDC0-D0", "SDC0-CLK", "SDC0-CMD", "SDC0-D3",
"SDC0-D2", "SDC0-DET", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* PG */
"WL-SDIO-CLK", "WL-SDIO-CMD", "WL-SDIO-D0", "WL-SDIO-D1",
"WL-SDIO-D2", "WL-SDIO-D3", "BT-UART-TX", "BT-UART-RX",
"BT-UART-RTS", "BT-UART-CTS", "WL-WAKE-AP", "BT-WAKE-AP",
"BT-RST-N", "AP-WAKE-BT", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&r_pio {
gpio-line-names =
/* PL */
"", "CPUX-SET", "CON2-P32", "POWER-KEY", "CON2-P36",
"VCC-IO-EN", "USB0-ID", "WL-PWR-EN",
"PWR-STB", "PWR-DRAM", "PWR-LED", "IR-RX", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&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";
};