1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  2/*
  3 * Copyright (C) 2019 Karl Palsson <karlp@tweak.net.au>
  4 */
  5
  6/dts-v1/;
  7#include "sun8i-h3.dtsi"
  8#include "sunxi-common-regulators.dtsi"
  9
 10#include <dt-bindings/gpio/gpio.h>
 11#include <dt-bindings/input/input.h>
 12
 13/ {
 14	model = "FriendlyARM NanoPi Duo2";
 15	compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3";
 16
 17	aliases {
 18		serial0 = &uart0;
 19	};
 20
 21	chosen {
 22		stdout-path = "serial0:115200n8";
 23	};
 24
 25	leds {
 26		compatible = "gpio-leds";
 27
 28		led-0 {
 29			label = "nanopi:red:pwr";
 30			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
 31			default-state = "on";
 32		};
 33
 34		led-1 {
 35			label = "nanopi:green:status";
 36			gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; /* PA10 */
 37		};
 38	};
 39
 40	r_gpio_keys {
 41		compatible = "gpio-keys";
 42
 43		k1 {
 44			label = "k1";
 45			linux,code = <BTN_0>;
 46			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /* PL3 */
 47		};
 48	};
 49
 50	reg_vdd_cpux: vdd-cpux-regulator {
 51		compatible = "regulator-gpio";
 52		regulator-name = "vdd-cpux";
 53		regulator-min-microvolt = <1100000>;
 54		regulator-max-microvolt = <1300000>;
 55		regulator-always-on;
 56		regulator-boot-on;
 57		regulator-ramp-delay = <50>; /* 4ms */
 58
 59		enable-active-high;
 60		enable-gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
 61		gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 62		gpios-states = <0x1>;
 63		states = <1100000 0>, <1300000 1>;
 64	};
 65
 66	reg_vcc_dram: vcc-dram {
 67		compatible = "regulator-fixed";
 68		regulator-name = "vcc-dram";
 69		regulator-min-microvolt = <1500000>;
 70		regulator-max-microvolt = <1500000>;
 71		regulator-always-on;
 72		regulator-boot-on;
 73		enable-active-high;
 74		gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
 75		vin-supply = <&reg_vcc5v0>;
 76        };
 77
 78	reg_vdd_sys: vdd-sys {
 79		compatible = "regulator-fixed";
 80		regulator-name = "vdd-sys";
 81		regulator-min-microvolt = <1200000>;
 82		regulator-max-microvolt = <1200000>;
 83		regulator-always-on;
 84		regulator-boot-on;
 85		enable-active-high;
 86		gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
 87		vin-supply = <&reg_vcc5v0>;
 88        };
 89
 90	wifi_pwrseq: wifi_pwrseq {
 91		compatible = "mmc-pwrseq-simple";
 92		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
 93		clocks = <&rtc 1>;
 94		clock-names = "ext_clock";
 95	};
 96
 97};
 98
 99&cpu0 {
100	cpu-supply = <&reg_vdd_cpux>;
101};
102
103&ehci0 {
104	status = "okay";
105};
106
107&mmc0 {
108	bus-width = <4>;
109	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
110	status = "okay";
111	vmmc-supply = <&reg_vcc3v3>;
112};
113
114&mmc1 {
115	vmmc-supply = <&reg_vcc3v3>;
116	vqmmc-supply = <&reg_vcc3v3>;
117	mmc-pwrseq = <&wifi_pwrseq>;
118	bus-width = <4>;
119	non-removable;
120	status = "okay";
121
122	sdio_wifi: sdio_wifi@1 {
123		reg = <1>;
124		compatible = "brcm,bcm4329-fmac";
125		interrupt-parent = <&pio>;
126		interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
127		interrupt-names = "host-wake";
128	};
129};
130
131&ohci0 {
132	status = "okay";
133};
134
135&reg_usb0_vbus {
136	gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
137	status = "okay";
138};
139
140&uart0 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&uart0_pa_pins>;
143	status = "okay";
144};
145
146&uart2 {
147	pinctrl-names = "default";
148	pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>;
149	uart-has-rtscts;
150	status = "okay";
151
152	bluetooth {
153		compatible = "brcm,bcm43438-bt";
154		clocks = <&rtc 1>;
155		clock-names = "lpo";
156		vbat-supply = <&reg_vcc3v3>;
157		vddio-supply = <&reg_vcc3v3>;
158		device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
159		host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
160		shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
161	};
162};
163
164&usb_otg {
165	status = "okay";
166	dr_mode = "otg";
167};
168
169&usbphy {
170	usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
171	usb0_vbus-supply = <&reg_usb0_vbus>;
172	status = "okay";
173};