// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
/*
* Copyright (C) 2025 Chen-Yu Tsai <wens@csie.org>
*/
/dts-v1/;
#include "sun55i-a523.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
/ {
model = "OrangePi 4A";
compatible = "xunlong,orangepi-4a", "allwinner,sun55i-t527";
aliases {
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
ext_osc32k: ext-osc32k-clk {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <32768>;
clock-output-names = "ext_osc32k";
};
leds {
compatible = "gpio-leds";
/* PWM capable pin, but PWM isn't supported yet. */
led {
function = LED_FUNCTION_STATUS;
color = <LED_COLOR_ID_GREEN>;
gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
};
};
wifi_pwrseq: pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 1 1 GPIO_ACTIVE_LOW>; /* PM1 */
clocks = <&rtc CLK_OSC32K_FANOUT>;
clock-names = "ext_clock";
};
reg_otg_vbus: regulator-otg-vbus {
compatible = "regulator-fixed";
regulator-name = "otg-vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <®_vcc5v>;
gpio = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
enable-active-high;
};
reg_pcie_vcc3v3: regulator-pcie-vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "vcc-pcie-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <®_vcc5v>;
gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
enable-active-high;
};
reg_usb_vbus: regulator-usb-vbus {
compatible = "regulator-fixed";
regulator-name = "usb-vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <®_vcc5v>;
gpio = <&r_pio 0 12 GPIO_ACTIVE_HIGH>; /* PL12 */
enable-active-high;
};
reg_vcc5v: regulator-vcc5v {
/* board wide 5V supply from USB type-C port */
compatible = "regulator-fixed";
regulator-name = "vcc-5v";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&ehci0 {
status = "okay";
};
&ehci1 {
status = "okay";
};
&gpu {
mali-supply = <®_dcdc2>;
status = "okay";
};
&mmc0 {
vmmc-supply = <®_cldo3>;
cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */
bus-width = <4>;
status = "okay";
};
&mmc1 {
bus-width = <4>;
mmc-pwrseq = <&wifi_pwrseq>;
non-removable;
vmmc-supply = <®_dldo1_323>;
vqmmc-supply = <®_bldo1>;
status = "okay";
brcmf: wifi@1 {
compatible = "brcm,bcm4329-fmac";
reg = <1>;
interrupt-parent = <&r_pio>;
interrupts = <1 0 IRQ_TYPE_LEVEL_LOW>; /* PM0 */
interrupt-names = "host-wake";
};
};
&mmc2 {
bus-width = <8>;
cap-mmc-hw-reset;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
non-removable;
vmmc-supply = <®_cldo3>;
vqmmc-supply = <®_cldo1>;
status = "okay";
};
&ohci0 {
status = "okay";
};
&ohci1 {
status = "okay";
};
&pio {
vcc-pb-supply = <®_cldo3>; /* via VCC-IO */
vcc-pc-supply = <®_cldo1>;
vcc-pd-supply = <®_cldo3>;
vcc-pe-supply = <®_aldo2>;
vcc-pf-supply = <®_cldo3>; /* VCC-IO for 3.3v; VCC-MCSI for 1.8v */
vcc-pg-supply = <®_bldo1>;
vcc-ph-supply = <®_cldo3>; /* via VCC-IO */
vcc-pi-supply = <®_cldo3>;
vcc-pj-supply = <®_cldo1>;
vcc-pk-supply = <®_cldo1>;
};
&r_i2c0 {
status = "okay";
axp717: pmic@35 {
compatible = "x-powers,axp717";
reg = <0x35>;
interrupt-controller;
#interrupt-cells = <1>;
interrupts-extended = <&nmi_intc 0 IRQ_TYPE_LEVEL_LOW>;
vin1-supply = <®_vcc5v>;
vin2-supply = <®_vcc5v>;
vin3-supply = <®_vcc5v>;
vin4-supply = <®_vcc5v>;
aldoin-supply = <®_vcc5v>;
bldoin-supply = <®_vcc5v>;
cldoin-supply = <®_vcc5v>;
regulators {
/* Supplies the "little" cluster (1.4 GHz cores) */
reg_dcdc1: dcdc1 {
regulator-always-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1160000>;
regulator-name = "vdd-cpul";
};
reg_dcdc2: dcdc2 {
regulator-always-on;
regulator-min-microvolt = <920000>;
regulator-max-microvolt = <920000>;
regulator-name = "vdd-gpu-sys";
};
reg_dcdc3: dcdc3 {
regulator-always-on;
regulator-min-microvolt = <1160000>;
regulator-max-microvolt = <1160000>;
regulator-name = "vcc-dram";
};
reg_dcdc4: dcdc4 {
/* feeds 3.3V pin on GPIO header */
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vdd-io";
};
aldo1 {
/* not actually connected */
regulator-name = "avdd-csi";
};
reg_aldo2: aldo2 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-pe";
};
reg_aldo3: aldo3 {
/* supplies the I2C pins for this PMIC */
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-pl-usb";
};
reg_aldo4: aldo4 {
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-pll-dxco-avcc";
};
reg_bldo1: bldo1 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-pg-wifi";
};
reg_bldo2: bldo2 {
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-pm-lpddr";
};
bldo3 {
/* not actually connected */
regulator-name = "afvcc-csi";
};
bldo4 {
/* not actually connected */
regulator-name = "dvdd-csi";
};
reg_cldo1: cldo1 {
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-cvp-pc-lvds-mcsi-pk-efuse-pcie-edp-1v8";
};
reg_cldo2: cldo2 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc3v3-csi";
};
reg_cldo3: cldo3 {
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-io-mmc-nand-pd-pi-usb";
};
reg_cldo4: cldo4 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-3v3-phy1-lcd";
};
reg_cpusldo: cpusldo {
/* supplies the management core */
regulator-always-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
regulator-name = "vdd-cpus-usb-0v9";
};
};
};
axp323: pmic@36 {
compatible = "x-powers,axp323";
reg = <0x36>;
#interrupt-cells = <1>;
interrupt-controller;
status = "okay";
vin1-supply = <®_vcc5v>;
vin2-supply = <®_vcc5v>;
vin3-supply = <®_vcc5v>;
regulators {
reg_aldo1_323: aldo1 {
/* less capable and shares load with dldo1 */
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi";
};
reg_dldo1_323: dldo1 {
/* more capable and shares load with aldo1 */
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi2";
};
/* Supplies the "big" cluster (1.8 GHz cores) */
reg_dcdc1_323: dcdc1 {
regulator-always-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1150000>;
regulator-name = "vdd-cpub";
};
/* DCDC2 is polyphased with DCDC1 */
/* Some RISC-V management core related voltage */
reg_dcdc3_323: dcdc3 {
regulator-always-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
regulator-name = "vdd-dnr";
};
};
};
};
&r_pio {
/*
* Specifying the supply would create a circular dependency.
*
* vcc-pl-supply = <®_aldo3>;
*/
vcc-pm-supply = <®_bldo2>;
};
&rtc {
clocks = <&r_ccu CLK_BUS_R_RTC>, <&osc24M>,
<&r_ccu CLK_R_AHB>, <&ext_osc32k>;
clock-names = "bus", "hosc", "ahb", "ext-osc32k";
assigned-clocks = <&rtc CLK_OSC32K>;
assigned-clock-rates = <32768>;
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pb_pins>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
uart-has-rtscts;
status = "okay";
bluetooth {
compatible = "brcm,bcm4345c5";
clocks = <&rtc CLK_OSC32K_FANOUT>;
clock-names = "lpo";
vbat-supply = <®_aldo1_323>;
vddio-supply = <®_bldo1>;
device-wakeup-gpios = <&r_pio 1 3 GPIO_ACTIVE_HIGH>; /* PM3 */
host-wakeup-gpios = <&r_pio 1 4 GPIO_ACTIVE_HIGH>; /* PM4 */
shutdown-gpios = <&r_pio 1 2 GPIO_ACTIVE_HIGH>; /* PM2 */
};
};
&usb_otg {
/*
* The OTG controller is connected to one of the type-A ports.
* There is a regulator, controlled by a GPIO, to provide VBUS power
* to the port, and a VBUSDET GPIO, to detect externally provided
* power. But without ID or CC pins there is no real way to do a
* runtime role detection.
*/
dr_mode = "host";
status = "okay";
};
&usbphy {
usb0_vbus-supply = <®_otg_vbus>;
usb0_vbus_det-gpios = <&r_pio 0 7 GPIO_ACTIVE_HIGH>; /* PL7 */
usb1_vbus-supply = <®_usb_vbus>;
status = "okay";
};
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