// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
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*
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* Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
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*
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* Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
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*/
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/dts-v1/;
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#include "at91sam9g20.dtsi"
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/ {
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model = "Acme Systems FoxG20";
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compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
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chosen {
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bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
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};
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memory@20000000 {
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reg = <0x20000000 0x4000000>;
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};
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clocks {
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slow_xtal {
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clock-frequency = <32768>;
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};
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main_xtal {
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clock-frequency = <18432000>;
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};
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};
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ahb {
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apb {
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tcb0: timer@fffa0000 {
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timer@0 {
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compatible = "atmel,tcb-timer";
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reg = <0>, <1>;
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};
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timer@2 {
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compatible = "atmel,tcb-timer";
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reg = <2>;
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};
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};
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usb1: gadget@fffa4000 {
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atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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mmc0: mmc@fffa8000 {
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pinctrl-0 = <
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&pinctrl_mmc0_clk
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&pinctrl_mmc0_slot1_cmd_dat0
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&pinctrl_mmc0_slot1_dat1_3>;
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pinctrl-names = "default";
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status = "okay";
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slot@1 {
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reg = <1>;
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bus-width = <4>;
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};
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};
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usart0: serial@fffb0000 {
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pinctrl-0 =
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<&pinctrl_usart0
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&pinctrl_usart0_rts
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&pinctrl_usart0_cts
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>;
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status = "okay";
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};
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usart1: serial@fffb4000 {
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status = "okay";
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};
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usart2: serial@fffb8000 {
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status = "okay";
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};
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macb0: ethernet@fffc4000 {
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phy-mode = "rmii";
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status = "okay";
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};
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usart3: serial@fffd0000 {
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status = "okay";
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};
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uart0: serial@fffd4000 {
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status = "okay";
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};
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uart1: serial@fffd8000 {
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status = "okay";
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};
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dbgu: serial@fffff200 {
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status = "okay";
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};
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pinctrl@fffff400 {
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board {
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pinctrl_pck0_as_mck: pck0_as_mck {
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atmel,pins =
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<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
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};
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};
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mmc0_slot1 {
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pinctrl_board_mmc0_slot1: mmc0_slot1-board {
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atmel,pins =
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<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */
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};
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};
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i2c0 {
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pinctrl_i2c0: i2c0-0 {
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atmel,pins =
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<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */
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AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */
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};
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};
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};
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watchdog@fffffd40 {
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status = "okay";
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};
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};
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usb0: ohci@500000 {
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num-ports = <2>;
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status = "okay";
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};
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};
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i2c-gpio-0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c0>;
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i2c-gpio,delay-us = <5>; /* ~85 kHz */
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status = "okay";
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};
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leds {
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compatible = "gpio-leds";
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/* red LED marked "PC7" near mini USB (device) receptacle */
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user_led {
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label = "user_led";
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gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */
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linux,default-trigger = "heartbeat";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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btn {
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label = "Button";
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gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
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linux,code = <0x103>;
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wakeup-source;
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};
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};
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};
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