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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>
/dts-v1/;
#include "sun20i-d1.dtsi"
#include "sun20i-common-regulators.dtsi"
/ {
model = "ClockworkPi v3.14 (R-01)";
compatible = "clockwork,r-01-clockworkpi-v3.14", "allwinner,sun20i-d1";
aliases {
ethernet0 = &ap6256;
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
/*
* 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>;
};
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>; /* PG11/GPIO3 */
};
};
&cpu0 {
cpu-supply = <&reg_vdd_cpu>;
};
&dcxo {
clock-frequency = <24000000>;
};
&ehci1 {
status = "okay";
};
&i2c0 {
pinctrl-0 = <&i2c0_pb10_pins>;
pinctrl-names = "default";
status = "okay";
axp221: pmic@34 {
compatible = "x-powers,axp228", "x-powers,axp221";
reg = <0x34>;
interrupt-parent = <&pio>;
interrupts = <4 9 IRQ_TYPE_LEVEL_LOW>; /* PE9/GPIO2 */
interrupt-controller;
#interrupt-cells = <1>;
ac_power_supply: ac-power {
compatible = "x-powers,axp221-ac-power-supply";
};
axp_adc: adc {
compatible = "x-powers,axp221-adc";
#io-channel-cells = <1>;
};
battery_power_supply: battery-power {
compatible = "x-powers,axp221-battery-power-supply";
};
axp_gpio: gpio {
compatible = "x-powers,axp221-gpio";
gpio-controller;
#gpio-cells = <2>;
};
regulators {
x-powers,dcdc-freq = <3000>;
reg_dcdc1: dcdc1 {
regulator-name = "sys-3v3";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_dcdc3: dcdc3 {
regulator-name = "sys-1v8";
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
reg_aldo1: aldo1 {
regulator-name = "aud-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_aldo2: aldo2 {
regulator-name = "disp-3v3";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_aldo3: aldo3 {
regulator-name = "vdd-wifi";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
/* DLDO1 and ELDO1-3 are connected in parallel. */
reg_dldo1: dldo1 {
regulator-name = "vbat-wifi-a";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
/* DLDO2-DLDO4 are connected in parallel. */
reg_dldo2: dldo2 {
regulator-name = "vcc-3v3-ext-a";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_dldo3: dldo3 {
regulator-name = "vcc-3v3-ext-b";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_dldo4: dldo4 {
regulator-name = "vcc-3v3-ext-c";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_eldo1: eldo1 {
regulator-name = "vbat-wifi-b";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_eldo2: eldo2 {
regulator-name = "vbat-wifi-c";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_eldo3: eldo3 {
regulator-name = "vbat-wifi-d";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
usb_power_supply: usb-power {
compatible = "x-powers,axp221-usb-power-supply";
status = "disabled";
};
};
};
&mmc0 {
broken-cd;
bus-width = <4>;
disable-wp;
vmmc-supply = <&reg_dcdc1>;
vqmmc-supply = <&reg_vcc_3v3>;
pinctrl-0 = <&mmc0_pins>;
pinctrl-names = "default";
status = "okay";
};
&mmc1 {
bus-width = <4>;
mmc-pwrseq = <&wifi_pwrseq>;
non-removable;
vmmc-supply = <&reg_dldo1>;
vqmmc-supply = <&reg_aldo3>;
pinctrl-0 = <&mmc1_pins>;
pinctrl-names = "default";
status = "okay";
ap6256: wifi@1 {
compatible = "brcm,bcm43456-fmac", "brcm,bcm4329-fmac";
reg = <1>;
interrupt-parent = <&pio>;
interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10/GPIO4 */
interrupt-names = "host-wake";
};
};
&ohci1 {
status = "okay";
};
&pio {
vcc-pg-supply = <&reg_ldoa>;
};
&uart0 {
pinctrl-0 = <&uart0_pb8_pins>;
pinctrl-names = "default";
status = "okay";
};
&uart1 {
uart-has-rtscts;
pinctrl-0 = <&uart1_pg6_pins>, <&uart1_pg8_rts_cts_pins>;
pinctrl-names = "default";
status = "okay";
bluetooth {
compatible = "brcm,bcm4345c5";
interrupt-parent = <&pio>;
interrupts = <6 17 IRQ_TYPE_LEVEL_HIGH>; /* PG17/GPIO6 */
device-wakeup-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>; /* PG16/GPIO7 */
shutdown-gpios = <&pio 6 18 GPIO_ACTIVE_HIGH>; /* PG18/GPIO5 */
max-speed = <1500000>;
vbat-supply = <&reg_dldo1>;
vddio-supply = <&reg_aldo3>;
};
};
&usb_otg {
dr_mode = "peripheral";
status = "okay";
};
&usbphy {
usb0_vbus_power-supply = <&ac_power_supply>;
usb1_vbus-supply = <&reg_vcc>;
status = "okay";
};