arch/arm/boot/dts/at91-foxg20.dts

   1 /*
   2  * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
   3  *
   4  * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
   5  *
   6  * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
   7  *
   8  * Licensed under GPLv2 or later.
   9  */
  10 /dts-v1/;
  11 #include "at91sam9g20.dtsi"
  12
  13 / {
  14         model = "Acme Systems FoxG20";
  15         compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
  16
  17         chosen {
  18                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
  19         };
  20
  21         memory {
  22                 reg = <0x20000000 0x4000000>;
  23         };
  24
  25         clocks {
  26                 slow_xtal {
  27                         clock-frequency = <32768>;
  28                 };
  29
  30                 main_xtal {
  31                         clock-frequency = <18432000>;
  32                 };
  33         };
  34
  35         ahb {
  36                 apb {
  37                         tcb0: timer@fffa0000 {
  38                                 timer@0 {
  39                                         compatible = "atmel,tcb-timer";
  40                                         reg = <0>, <1>;
  41                                 };
  42
  43                                 timer@2 {
  44                                         compatible = "atmel,tcb-timer";
  45                                         reg = <2>;
  46                                 };
  47                         };
  48
  49                         usb1: gadget@fffa4000 {
  50                                 atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
  51                                 status = "okay";
  52                         };
  53
  54                         mmc0: mmc@fffa8000 {
  55                                 pinctrl-0 = <
  56                                         &pinctrl_mmc0_clk
  57                                         &pinctrl_mmc0_slot1_cmd_dat0
  58                                         &pinctrl_mmc0_slot1_dat1_3>;
  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                 btn {
 162                         label = "Button";
 163                         gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
 164                         linux,code = <0x103>;
 165                         wakeup-source;
 166                 };
 167         };
 168 };