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-rw-r--r--arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts174
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diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts
new file mode 100644
index 000000000000..c73f59900975
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+++ b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2019 Karl Palsson <karlp@tweak.net.au>
+ */
+
+/dts-v1/;
+#include "sun8i-h3.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "FriendlyARM NanoPi Duo2";
+ compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ pwr {
+ label = "nanopi:red:pwr";
+ gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
+ default-state = "on";
+ };
+
+ status {
+ label = "nanopi:green:status";
+ gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; /* PA10 */
+ };
+ };
+
+ r_gpio_keys {
+ compatible = "gpio-keys";
+
+ k1 {
+ label = "k1";
+ linux,code = <BTN_0>;
+ gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /* PL3 */
+ };
+ };
+
+ reg_vdd_cpux: vdd-cpux-regulator {
+ compatible = "regulator-gpio";
+ regulator-name = "vdd-cpux";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <50>; /* 4ms */
+
+ enable-active-high;
+ enable-gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+ gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+ gpios-states = <0x1>;
+ states = <1100000 0x0
+ 1300000 0x1>;
+ };
+
+ 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_vdd_sys: vdd-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd-sys";
+ 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>;
+ };
+
+ 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>;
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&mmc0 {
+ bus-width = <4>;
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+ status = "okay";
+ vmmc-supply = <&reg_vcc3v3>;
+};
+
+&mmc1 {
+ vmmc-supply = <&reg_vcc3v3>;
+ vqmmc-supply = <&reg_vcc3v3>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ sdio_wifi: sdio_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";
+};
+
+&reg_usb0_vbus {
+ gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pa_pins>;
+ status = "okay";
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>;
+ uart-has-rtscts;
+ status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ clocks = <&rtc 1>;
+ clock-names = "lpo";
+ vbat-supply = <&reg_vcc3v3>;
+ vddio-supply = <&reg_vcc3v3>;
+ device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
+ host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
+ shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
+ };
+};
+
+&usb_otg {
+ status = "okay";
+ dr_mode = "otg";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+ usb0_vbus-supply = <&reg_usb0_vbus>;
+ status = "okay";
+};