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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
// Copyright (C) 2022 Samuel Holland <samuel@sholland.org>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
/dts-v1/;
#include "sun20i-d1.dtsi"
#include "sun20i-common-regulators.dtsi"
/ {
model = "Dongshan Nezha STU";
compatible = "100ask,dongshan-nezha-stu", "allwinner,sun20i-d1";
aliases {
ethernet0 = &emac;
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
leds {
compatible = "gpio-leds";
led-0 {
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_STATUS;
gpios = <&pio 2 1 GPIO_ACTIVE_HIGH>; /* PC1 */
};
};
reg_usbvbus: usbvbus {
compatible = "regulator-fixed";
regulator-name = "usbvbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
enable-active-high;
vin-supply = <&reg_vcc>;
};
/*
* This regulator is PWM-controlled, but the PWM controller is not
* yet supported, so fix the regulator to its default voltage.
*/
reg_vdd_cpu: vdd-cpu {
compatible = "regulator-fixed";
regulator-name = "vdd-cpu";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
vin-supply = <&reg_vcc>;
};
};
&cpu0 {
cpu-supply = <&reg_vdd_cpu>;
};
&dcxo {
clock-frequency = <24000000>;
};
&ehci0 {
status = "okay";
};
&emac {
pinctrl-0 = <&rgmii_pe_pins>;
pinctrl-names = "default";
phy-handle = <&ext_rgmii_phy>;
phy-mode = "rgmii-id";
phy-supply = <&reg_vcc_3v3>;
status = "okay";
};
&mdio {
ext_rgmii_phy: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
};
&mmc0 {
broken-cd;
bus-width = <4>;
disable-wp;
vmmc-supply = <&reg_vcc_3v3>;
vqmmc-supply = <&reg_vcc_3v3>;
pinctrl-0 = <&mmc0_pins>;
pinctrl-names = "default";
status = "okay";
};
&ohci0 {
status = "okay";
};
&uart0 {
pinctrl-0 = <&uart0_pb8_pins>;
pinctrl-names = "default";
status = "okay";
};
&usb_otg {
dr_mode = "otg";
status = "okay";
};
&usbphy {
usb0_id_det-gpios = <&pio 3 21 GPIO_ACTIVE_HIGH>; /* PD21 */
usb0_vbus_det-gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
usb0_vbus-supply = <&reg_usbvbus>;
status = "okay";
};