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

   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 {
  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                                 status = "okay";
  59
  60                                 slot@1 {
  61                                         reg = <1>;
  62                                         bus-width = <4>;
  63                                 };
  64                         };
  65
  66                         usart0: serial@fffb0000 {
  67                                 pinctrl-0 =
  68                                         <&pinctrl_usart0
  69                                          &pinctrl_usart0_rts
  70                                          &pinctrl_usart0_cts
  71                                         >;
  72                                 status = "okay";
  73                         };
  74
  75                         usart1: serial@fffb4000 {
  76                                 status = "okay";
  77                         };
  78
  79                         usart2: serial@fffb8000 {
  80                                 status = "okay";
  81                         };
  82
  83                         macb0: ethernet@fffc4000 {
  84                                 phy-mode = "rmii";
  85                                 status = "okay";
  86                         };
  87
  88                         usart3: serial@fffd0000 {
  89                                 status = "okay";
  90                         };
  91
  92                         uart0: serial@fffd4000 {
  93                                 status = "okay";
  94                         };
  95
  96                         uart1: serial@fffd8000 {
  97                                 status = "okay";
  98                         };
  99
 100                         dbgu: serial@fffff200 {
 101                                 status = "okay";
 102                         };
 103
 104                         pinctrl@fffff400 {
 105                                 board {
 106                                         pinctrl_pck0_as_mck: pck0_as_mck {
 107                                                 atmel,pins =
 108                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 109                                         };
 110                                 };
 111
 112                                 mmc0_slot1 {
 113                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
 114                                                 atmel,pins =
 115                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* CD pin */
 116                                         };
 117                                 };
 118
 119                                 i2c0 {
 120                                         pinctrl_i2c0: i2c0-0 {
 121                                                 atmel,pins =
 122                                                         <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE    /* TWD (SDA), open drain */
 123                                                          AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>;  /* TWCK (SCL), open drain */
 124                                         };
 125                                 };
 126                         };
 127
 128                         watchdog@fffffd40 {
 129                                 status = "okay";
 130                         };
 131                 };
 132
 133                 usb0: ohci@500000 {
 134                         num-ports = <2>;
 135                         status = "okay";
 136                 };
 137         };
 138
 139         i2c-gpio-0 {
 140                 pinctrl-names = "default";
 141                 pinctrl-0 = <&pinctrl_i2c0>;
 142                 i2c-gpio,delay-us = <5>;        /* ~85 kHz */
 143                 status = "okay";
 144         };
 145
 146         leds {
 147                 compatible = "gpio-leds";
 148
 149                 /* red LED marked "PC7" near mini USB (device) receptacle */
 150                 user_led {
 151                         label = "user_led";
 152                         gpios = <&pioC 7 GPIO_ACTIVE_HIGH>;     /* PC7 */
 153                         linux,default-trigger = "heartbeat";
 154                 };
 155         };
 156
 157         gpio_keys {
 158                 compatible = "gpio-keys";
 159
 160                 btn {
 161                         label = "Button";
 162                         gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
 163                         linux,code = <0x103>;
 164                         wakeup-source;
 165                 };
 166         };
 167 };