// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Device Tree Source for A20-SOM204-EVB Board * * Copyright (C) 2018 Olimex Ltd. * Author: Stefan Mavrodiev */ /dts-v1/; #include "sun7i-a20.dtsi" #include "sunxi-common-regulators.dtsi" #include #include #include / { 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"; stat { label = "a20-som204-evb:green:stat"; gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>; default-state = "on"; }; led1 { label = "a20-som204-evb:green:led1"; gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>; default-state = "on"; }; led2 { label = "a20-som204-evb:yellow:led2"; gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>; default-state = "on"; }; }; rtl_pwrseq: rtl_pwrseq { 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"; 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>; }; }; &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"; }; &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: sdio_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"; };