1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board 4 * 5 * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC) 6 * 7 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com> 8 */ 9/dts-v1/; 10#include "at91sam9g20.dtsi" 11 12/ { 13 model = "Acme Systems FoxG20"; 14 compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9"; 15 16 chosen { 17 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; 18 }; 19 20 memory@20000000 { 21 reg = <0x20000000 0x4000000>; 22 }; 23 24 clocks { 25 slow_xtal { 26 clock-frequency = <32768>; 27 }; 28 29 main_xtal { 30 clock-frequency = <18432000>; 31 }; 32 }; 33 34 ahb { 35 apb { 36 tcb0: timer@fffa0000 { 37 timer@0 { 38 compatible = "atmel,tcb-timer"; 39 reg = <0>, <1>; 40 }; 41 42 timer@2 { 43 compatible = "atmel,tcb-timer"; 44 reg = <2>; 45 }; 46 }; 47 48 usb1: gadget@fffa4000 { 49 atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>; 50 status = "okay"; 51 }; 52 53 mmc0: mmc@fffa8000 { 54 pinctrl-0 = < 55 &pinctrl_mmc0_clk 56 &pinctrl_mmc0_slot1_cmd_dat0 57 &pinctrl_mmc0_slot1_dat1_3>; 58 pinctrl-names = "default"; 59 status = "okay"; 60 61 slot@1 { 62 reg = <1>; 63 bus-width = <4>; 64 }; 65 }; 66 67 usart0: serial@fffb0000 { 68 pinctrl-0 = 69 <&pinctrl_usart0 70 &pinctrl_usart0_rts 71 &pinctrl_usart0_cts 72 >; 73 status = "okay"; 74 }; 75 76 usart1: serial@fffb4000 { 77 status = "okay"; 78 }; 79 80 usart2: serial@fffb8000 { 81 status = "okay"; 82 }; 83 84 macb0: ethernet@fffc4000 { 85 phy-mode = "rmii"; 86 status = "okay"; 87 }; 88 89 usart3: serial@fffd0000 { 90 status = "okay"; 91 }; 92 93 uart0: serial@fffd4000 { 94 status = "okay"; 95 }; 96 97 uart1: serial@fffd8000 { 98 status = "okay"; 99 }; 100 101 dbgu: serial@fffff200 { 102 status = "okay"; 103 }; 104 105 pinctrl@fffff400 { 106 board { 107 pinctrl_pck0_as_mck: pck0_as_mck { 108 atmel,pins = 109 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; 110 }; 111 }; 112 113 mmc0_slot1 { 114 pinctrl_board_mmc0_slot1: mmc0_slot1-board { 115 atmel,pins = 116 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */ 117 }; 118 }; 119 120 i2c0 { 121 pinctrl_i2c0: i2c0-0 { 122 atmel,pins = 123 <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */ 124 AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */ 125 }; 126 }; 127 }; 128 129 watchdog@fffffd40 { 130 status = "okay"; 131 }; 132 }; 133 134 usb0: ohci@500000 { 135 num-ports = <2>; 136 status = "okay"; 137 }; 138 }; 139 140 i2c-gpio-0 { 141 pinctrl-names = "default"; 142 pinctrl-0 = <&pinctrl_i2c0>; 143 i2c-gpio,delay-us = <5>; /* ~85 kHz */ 144 status = "okay"; 145 }; 146 147 leds { 148 compatible = "gpio-leds"; 149 150 /* red LED marked "PC7" near mini USB (device) receptacle */ 151 user_led { 152 label = "user_led"; 153 gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */ 154 linux,default-trigger = "heartbeat"; 155 }; 156 }; 157 158 gpio-keys { 159 compatible = "gpio-keys"; 160 161 button { 162 label = "Button"; 163 gpios = <&pioC 4 GPIO_ACTIVE_LOW>; 164 linux,code = <0x103>; 165 wakeup-source; 166 }; 167 }; 168}; 169