at91-foxg20.dts

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    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 };

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sys/contrib/device-tree/src/arm/at91-foxg20.dts