// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Device Tree Source for A20-SOM204-EVB Board
*
* Copyright (C) 2018 Olimex Ltd.
* Author: Stefan Mavrodiev <[email protected]>
*/
/dts-v1/;
#include "sun7i-a20.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pwm/pwm.h>
/ {
model = "Olimex A20-SOM204-EVB";
compatible = "olimex,a20-olimex-som204-evb", "allwinner,sun7i-a20";
aliases {
serial0 = &uart0;
serial1 = &uart4;
serial2 = &uart7;
spi0 = &spi1;
spi1 = &spi2;
ethernet1 = &rtl8723bs;
};
chosen {
stdout-path = "serial0:115200n8";
};
hdmi-connector {
compatible = "hdmi-connector";
type = "a";
port {
hdmi_con_in: endpoint {
remote-endpoint = <&hdmi_out_con>;
};
};
};
leds {
compatible = "gpio-leds";
led-0 {
label = "a20-som204-evb:green:stat";
gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
led-1 {
label = "a20-som204-evb:green:led1";
gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
led-2 {
label = "a20-som204-evb:yellow:led2";
gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
};
rtl_pwrseq: pwrseq-0 {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
};
};
&ahci {
target-supply = <®_ahci_5v>;
status = "okay";
};
&can0 {
pinctrl-names = "default";
pinctrl-0 = <&can_ph_pins>;
status = "okay";
};
&codec {
status = "okay";
};
&cpu0 {
cpu-supply = <®_dcdc2>;
};
&de {
status = "okay";
};
&ehci0 {
status = "okay";
};
&ehci1 {
status = "okay";
};
&gmac {
pinctrl-names = "default";
pinctrl-0 = <&gmac_rgmii_pins>;
phy-handle = <&phy3>;
phy-mode = "rgmii";
phy-supply = <®_vcc3v3>;
status = "okay";
};
&hdmi {
status = "okay";
};
&hdmi_out {
hdmi_out_con: endpoint {
remote-endpoint = <&hdmi_con_in>;
};
};
&i2c0 {
status = "okay";
axp209: pmic@34 {
reg = <0x34>;
interrupt-parent = <&nmi_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
};
};
/* Exposed to UEXT1 */
&i2c1 {
status = "okay";
eeprom: eeprom@50 {
compatible = "atmel,24c16";
reg = <0x50>;
pagesize = <16>;
};
};
/* Exposed to UEXT2 */
&i2c2 {
status = "okay";
};
&ir0 {
pinctrl-names = "default";
pinctrl-0 = <&ir0_rx_pin>;
status = "okay";
};
&gmac_mdio {
phy3: ethernet-phy@3 {
reg = <3>;
reset-gpios = <&pio 0 17 GPIO_ACTIVE_LOW>; /* PA17 */
reset-assert-us = <10000>;
/* wait 1s after reset, otherwise fail to read phy id */
reset-deassert-us = <1000000>;
};
};
&mmc0 {
vmmc-supply = <®_vcc3v3>;
bus-width = <4>;
cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
status = "okay";
};
&mmc3 {
vmmc-supply = <®_vcc3v3>;
mmc-pwrseq = <&rtl_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
rtl8723bs: wifi@1 {
reg = <1>;
};
};
&ohci0 {
status = "okay";
};
&ohci1 {
status = "okay";
};
&otg_sram {
status = "okay";
};
&pio {
uart3_rts_pin: uart3-rts-pin {
pins = "PG8";
function = "uart3";
};
};
#include "axp209.dtsi"
&ac_power_supply {
status = "okay";
};
&battery_power_supply {
status = "okay";
};
®_ahci_5v {
gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
status = "okay";
};
®_dcdc2 {
regulator-always-on;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1400000>;
regulator-name = "vdd-cpu";
};
®_dcdc3 {
regulator-always-on;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1400000>;
regulator-name = "vdd-int-dll";
};
®_ldo1 {
regulator-always-on;
regulator-min-microvolt = <1300000>;
regulator-max-microvolt = <1300000>;
regulator-name = "vdd-rtc";
};
®_ldo2 {
regulator-always-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-name = "avcc";
};
®_ldo4 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-pg";
};
®_usb0_vbus {
gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
status = "okay";
};
®_usb1_vbus {
status = "okay";
};
®_usb2_vbus {
status = "okay";
};
/* Exposed to UEXT1 */
&spi1 {
pinctrl-names = "default";
pinctrl-0 = <&spi1_pi_pins>,
<&spi1_cs0_pi_pin>;
status = "okay";
};
/* Exposed to UEXT2 */
&spi2 {
pinctrl-names = "default";
pinctrl-0 = <&spi2_pc_pins>,
<&spi2_cs0_pc_pin>;
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pb_pins>;
status = "okay";
};
/* Used for RTL8723BS bluetooth */
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_pin>;
status = "okay";
};
/* Exposed to UEXT1 */
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pg_pins>;
status = "okay";
};
/* Exposed to UEXT2 */
&uart7 {
pinctrl-names = "default";
pinctrl-0 = <&uart7_pi_pins>;
status = "okay";
};
&usb_otg {
dr_mode = "otg";
status = "okay";
};
&usb_power_supply {
status = "okay";
};
&usbphy {
usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
usb0_vbus_power-supply = <&usb_power_supply>;
usb0_vbus-supply = <®_usb0_vbus>;
usb1_vbus-supply = <®_usb1_vbus>;
usb2_vbus-supply = <®_usb2_vbus>;
status = "okay";
};