arch/arm/boot/dts/at91sam9g20ek_common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
   4  *
   5  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   6  */
   7 #include "at91sam9g20.dtsi"
   8
   9 / {
  10
  11         chosen {
  12                 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
  13                 stdout-path = "serial0:115200n8";
  14         };
  15
  16         memory {
  17                 reg = <0x20000000 0x4000000>;
  18         };
  19
  20         clocks {
  21                 slow_xtal {
  22                         clock-frequency = <32768>;
  23                 };
  24
  25                 main_xtal {
  26                         clock-frequency = <18432000>;
  27                 };
  28         };
  29
  30         ahb {
  31                 apb {
  32                         pinctrl@fffff400 {
  33                                 board {
  34                                         pinctrl_pck0_as_mck: pck0_as_mck {
  35                                                 atmel,pins =
  36                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;  /* PC1 periph B */
  37                                         };
  38
  39                                 };
  40
  41                                 usb1 {
  42                                         pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
  43                                                 atmel,pins =
  44                                                         <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;   /* PC5 GPIO */
  45                                         };
  46                                 };
  47
  48                                 mmc0_slot1 {
  49                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  50                                                 atmel,pins =
  51                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  52                                         };
  53                                 };
  54                         };
  55
  56                         dbgu: serial@fffff200 {
  57                                 status = "okay";
  58                         };
  59
  60                         tcb0: timer@fffa0000 {
  61                                 timer@0 {
  62                                         compatible = "atmel,tcb-timer";
  63                                         reg = <0>, <1>;
  64                                 };
  65
  66                                 timer@2 {
  67                                         compatible = "atmel,tcb-timer";
  68                                         reg = <2>;
  69                                 };
  70                         };
  71
  72                         usart0: serial@fffb0000 {
  73                                 pinctrl-0 =
  74                                         <&pinctrl_usart0
  75                                          &pinctrl_usart0_rts
  76                                          &pinctrl_usart0_cts
  77                                          &pinctrl_usart0_dtr_dsr
  78                                          &pinctrl_usart0_dcd
  79                                          &pinctrl_usart0_ri>;
  80                                 status = "okay";
  81                         };
  82
  83                         usart1: serial@fffb4000 {
  84                                 status = "okay";
  85                         };
  86
  87                         macb0: ethernet@fffc4000 {
  88                                 phy-mode = "rmii";
  89                                 status = "okay";
  90                         };
  91
  92                         usb1: gadget@fffa4000 {
  93                                 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
  94                                 pinctrl-names = "default";
  95                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  96                                 status = "okay";
  97                         };
  98
  99                         mmc0: mmc@fffa8000 {
 100                                 pinctrl-0 = <
 101                                         &pinctrl_board_mmc0_slot1
 102                                         &pinctrl_mmc0_clk
 103                                         &pinctrl_mmc0_slot1_cmd_dat0
 104                                         &pinctrl_mmc0_slot1_dat1_3>;
 105                                 status = "okay";
 106                                 slot@1 {
 107                                         reg = <1>;
 108                                         bus-width = <4>;
 109                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 110                                 };
 111                         };
 112
 113                         ssc0: ssc@fffbc000 {
 114                                 status = "okay";
 115                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 116                         };
 117
 118                         spi0: spi@fffc8000 {
 119                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 120                                 mtd_dataflash@1 {
 121                                         compatible = "atmel,at45", "atmel,dataflash";
 122                                         spi-max-frequency = <50000000>;
 123                                         reg = <1>;
 124                                 };
 125                         };
 126
 127                         shdwc@fffffd10 {
 128                                 atmel,wakeup-counter = <10>;
 129                                 atmel,wakeup-rtt-timer;
 130                         };
 131
 132                         rtc@fffffd20 {
 133                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 134                                 status = "okay";
 135                         };
 136
 137                         watchdog@fffffd40 {
 138                                 status = "okay";
 139                         };
 140
 141                         gpbr: syscon@fffffd50 {
 142                                 status = "okay";
 143                         };
 144                 };
 145
 146                 ebi: ebi@10000000 {
 147                         status = "okay";
 148
 149                         nand_controller: nand-controller {
 150                                 status = "okay";
 151                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 152                                 pinctrl-names = "default";
 153
 154                                 nand@3 {
 155                                         reg = <0x3 0x0 0x800000>;
 156                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 157                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 158                                         nand-bus-width = <8>;
 159                                         nand-ecc-mode = "soft";
 160                                         nand-on-flash-bbt;
 161                                         label = "atmel_nand";
 162
 163                                         partitions {
 164                                                 compatible = "fixed-partitions";
 165                                                 #address-cells = <1>;
 166                                                 #size-cells = <1>;
 167
 168                                                 at91bootstrap@0 {
 169                                                         label = "at91bootstrap";
 170                                                         reg = <0x0 0x20000>;
 171                                                 };
 172
 173                                                 barebox@20000 {
 174                                                         label = "barebox";
 175                                                         reg = <0x20000 0x40000>;
 176                                                 };
 177
 178                                                 bareboxenv@60000 {
 179                                                         label = "bareboxenv";
 180                                                         reg = <0x60000 0x20000>;
 181                                                 };
 182
 183                                                 bareboxenv2@80000 {
 184                                                         label = "bareboxenv2";
 185                                                         reg = <0x80000 0x20000>;
 186                                                 };
 187
 188                                                 oftree@80000 {
 189                                                         label = "oftree";
 190                                                         reg = <0xa0000 0x20000>;
 191                                                 };
 192
 193                                                 kernel@a0000 {
 194                                                         label = "kernel";
 195                                                         reg = <0xc0000 0x400000>;
 196                                                 };
 197
 198                                                 rootfs@4a0000 {
 199                                                         label = "rootfs";
 200                                                         reg = <0x4c0000 0x7800000>;
 201                                                 };
 202
 203                                                 data@7ca0000 {
 204                                                         label = "data";
 205                                                         reg = <0x7cc0000 0x8340000>;
 206                                                 };
 207                                         };
 208                                 };
 209                         };
 210                 };
 211
 212                 usb0: ohci@500000 {
 213                         num-ports = <2>;
 214                         status = "okay";
 215                 };
 216         };
 217
 218         i2c-gpio-0 {
 219                 status = "okay";
 220
 221                 24c512@50 {
 222                         compatible = "atmel,24c512";
 223                         reg = <0x50>;
 224                 };
 225
 226                 wm8731: wm8731@1b {
 227                         compatible = "wm8731";
 228                         reg = <0x1b>;
 229
 230                         /* PCK0 at 12MHz */
 231                         clocks = <&pmc PMC_TYPE_SYSTEM 8>;
 232                         clock-names = "mclk";
 233                         assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
 234                         assigned-clock-rates = <12000000>;
 235                 };
 236         };
 237
 238         gpio_keys {
 239                 compatible = "gpio-keys";
 240
 241                 btn3 {
 242                         label = "Button 3";
 243                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 244                         linux,code = <0x103>;
 245                         wakeup-source;
 246                 };
 247
 248                 btn4 {
 249                         label = "Button 4";
 250                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 251                         linux,code = <0x104>;
 252                         wakeup-source;
 253                 };
 254         };
 255
 256         sound {
 257                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 258                 pinctrl-names = "default";
 259                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 260
 261                 atmel,model = "wm8731 @ AT91SAMG20EK";
 262
 263                 atmel,audio-routing =
 264                         "Ext Spk", "LHPOUT",
 265                         "Int Mic", "MICIN";
 266
 267                 atmel,ssc-controller = <&ssc0>;
 268                 atmel,audio-codec = <&wm8731>;
 269         };
 270 };