0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (C) 2019 Karl Palsson <karlp@tweak.net.au>
0004 */
0005
0006 /dts-v1/;
0007 #include "sun8i-h3.dtsi"
0008 #include "sunxi-common-regulators.dtsi"
0009
0010 #include <dt-bindings/gpio/gpio.h>
0011 #include <dt-bindings/input/input.h>
0012
0013 / {
0014 model = "FriendlyARM NanoPi Duo2";
0015 compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3";
0016
0017 aliases {
0018 serial0 = &uart0;
0019 };
0020
0021 chosen {
0022 stdout-path = "serial0:115200n8";
0023 };
0024
0025 leds {
0026 compatible = "gpio-leds";
0027
0028 led-0 {
0029 label = "nanopi:red:pwr";
0030 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
0031 default-state = "on";
0032 };
0033
0034 led-1 {
0035 label = "nanopi:green:status";
0036 gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; /* PA10 */
0037 };
0038 };
0039
0040 gpio-keys {
0041 compatible = "gpio-keys";
0042
0043 key-0 {
0044 label = "k1";
0045 linux,code = <BTN_0>;
0046 gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /* PL3 */
0047 };
0048 };
0049
0050 reg_vdd_cpux: vdd-cpux-regulator {
0051 compatible = "regulator-gpio";
0052 regulator-name = "vdd-cpux";
0053 regulator-min-microvolt = <1100000>;
0054 regulator-max-microvolt = <1300000>;
0055 regulator-always-on;
0056 regulator-boot-on;
0057 regulator-ramp-delay = <50>; /* 4ms */
0058
0059 enable-active-high;
0060 enable-gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
0061 gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
0062 gpios-states = <0x1>;
0063 states = <1100000 0>, <1300000 1>;
0064 };
0065
0066 reg_vcc_dram: vcc-dram {
0067 compatible = "regulator-fixed";
0068 regulator-name = "vcc-dram";
0069 regulator-min-microvolt = <1500000>;
0070 regulator-max-microvolt = <1500000>;
0071 regulator-always-on;
0072 regulator-boot-on;
0073 enable-active-high;
0074 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
0075 vin-supply = <®_vcc5v0>;
0076 };
0077
0078 reg_vdd_sys: vdd-sys {
0079 compatible = "regulator-fixed";
0080 regulator-name = "vdd-sys";
0081 regulator-min-microvolt = <1200000>;
0082 regulator-max-microvolt = <1200000>;
0083 regulator-always-on;
0084 regulator-boot-on;
0085 enable-active-high;
0086 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
0087 vin-supply = <®_vcc5v0>;
0088 };
0089
0090 wifi_pwrseq: wifi_pwrseq {
0091 compatible = "mmc-pwrseq-simple";
0092 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
0093 clocks = <&rtc CLK_OSC32K_FANOUT>;
0094 clock-names = "ext_clock";
0095 };
0096
0097 };
0098
0099 &cpu0 {
0100 cpu-supply = <®_vdd_cpux>;
0101 };
0102
0103 &ehci0 {
0104 status = "okay";
0105 };
0106
0107 &mmc0 {
0108 bus-width = <4>;
0109 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
0110 status = "okay";
0111 vmmc-supply = <®_vcc3v3>;
0112 };
0113
0114 &mmc1 {
0115 vmmc-supply = <®_vcc3v3>;
0116 vqmmc-supply = <®_vcc3v3>;
0117 mmc-pwrseq = <&wifi_pwrseq>;
0118 bus-width = <4>;
0119 non-removable;
0120 status = "okay";
0121
0122 sdio_wifi: sdio_wifi@1 {
0123 reg = <1>;
0124 compatible = "brcm,bcm4329-fmac";
0125 interrupt-parent = <&pio>;
0126 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
0127 interrupt-names = "host-wake";
0128 };
0129 };
0130
0131 &ohci0 {
0132 status = "okay";
0133 };
0134
0135 ®_usb0_vbus {
0136 gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
0137 status = "okay";
0138 };
0139
0140 &uart0 {
0141 pinctrl-names = "default";
0142 pinctrl-0 = <&uart0_pa_pins>;
0143 status = "okay";
0144 };
0145
0146 &uart2 {
0147 pinctrl-names = "default";
0148 pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>;
0149 uart-has-rtscts;
0150 status = "okay";
0151
0152 bluetooth {
0153 compatible = "brcm,bcm43438-bt";
0154 clocks = <&rtc CLK_OSC32K_FANOUT>;
0155 clock-names = "lpo";
0156 vbat-supply = <®_vcc3v3>;
0157 vddio-supply = <®_vcc3v3>;
0158 device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
0159 host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
0160 shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
0161 };
0162 };
0163
0164 &usb_otg {
0165 status = "okay";
0166 dr_mode = "otg";
0167 };
0168
0169 &usbphy {
0170 usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
0171 usb0_vbus-supply = <®_usb0_vbus>;
0172 status = "okay";
0173 };