arch/arm/boot/dts/at91sam9g20ek_common.dtsi

   1 /*
   2  * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
   3  *
   4  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   5  *
   6  * Licensed under GPLv2.
   7  */
   8 #include "at91sam9g20.dtsi"
   9
  10 / {
  11
  12         chosen {
  13                 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
  14                 stdout-path = "serial0:115200n8";
  15         };
  16
  17         memory {
  18                 reg = <0x20000000 0x4000000>;
  19         };
  20
  21         clocks {
  22                 slow_xtal {
  23                         clock-frequency = <32768>;
  24                 };
  25
  26                 main_xtal {
  27                         clock-frequency = <18432000>;
  28                 };
  29         };
  30
  31         ahb {
  32                 apb {
  33                         pinctrl@fffff400 {
  34                                 board {
  35                                         pinctrl_pck0_as_mck: pck0_as_mck {
  36                                                 atmel,pins =
  37                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;  /* PC1 periph B */
  38                                         };
  39
  40                                 };
  41
  42                                 usb1 {
  43                                         pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
  44                                                 atmel,pins =
  45                                                         <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;   /* PC5 GPIO */
  46                                         };
  47                                 };
  48
  49                                 mmc0_slot1 {
  50                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  51                                                 atmel,pins =
  52                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  53                                         };
  54                                 };
  55                         };
  56
  57                         dbgu: serial@fffff200 {
  58                                 status = "okay";
  59                         };
  60
  61                         tcb0: timer@fffa0000 {
  62                                 timer@0 {
  63                                         compatible = "atmel,tcb-timer";
  64                                         reg = <0>, <1>;
  65                                 };
  66
  67                                 timer@2 {
  68                                         compatible = "atmel,tcb-timer";
  69                                         reg = <2>;
  70                                 };
  71                         };
  72
  73                         usart0: serial@fffb0000 {
  74                                 pinctrl-0 =
  75                                         <&pinctrl_usart0
  76                                          &pinctrl_usart0_rts
  77                                          &pinctrl_usart0_cts
  78                                          &pinctrl_usart0_dtr_dsr
  79                                          &pinctrl_usart0_dcd
  80                                          &pinctrl_usart0_ri>;
  81                                 status = "okay";
  82                         };
  83
  84                         usart1: serial@fffb4000 {
  85                                 status = "okay";
  86                         };
  87
  88                         macb0: ethernet@fffc4000 {
  89                                 phy-mode = "rmii";
  90                                 status = "okay";
  91                         };
  92
  93                         usb1: gadget@fffa4000 {
  94                                 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
  95                                 pinctrl-names = "default";
  96                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  97                                 status = "okay";
  98                         };
  99
 100                         mmc0: mmc@fffa8000 {
 101                                 pinctrl-0 = <
 102                                         &pinctrl_board_mmc0_slot1
 103                                         &pinctrl_mmc0_clk
 104                                         &pinctrl_mmc0_slot1_cmd_dat0
 105                                         &pinctrl_mmc0_slot1_dat1_3>;
 106                                 status = "okay";
 107                                 slot@1 {
 108                                         reg = <1>;
 109                                         bus-width = <4>;
 110                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 111                                 };
 112                         };
 113
 114                         ssc0: ssc@fffbc000 {
 115                                 status = "okay";
 116                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 117                         };
 118
 119                         spi0: spi@fffc8000 {
 120                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 121                                 mtd_dataflash@1 {
 122                                         compatible = "atmel,at45", "atmel,dataflash";
 123                                         spi-max-frequency = <50000000>;
 124                                         reg = <1>;
 125                                 };
 126                         };
 127
 128                         shdwc@fffffd10 {
 129                                 atmel,wakeup-counter = <10>;
 130                                 atmel,wakeup-rtt-timer;
 131                         };
 132
 133                         rtc@fffffd20 {
 134                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 135                                 status = "okay";
 136                         };
 137
 138                         watchdog@fffffd40 {
 139                                 status = "okay";
 140                         };
 141
 142                         gpbr: syscon@fffffd50 {
 143                                 status = "okay";
 144                         };
 145                 };
 146
 147                 ebi: ebi@10000000 {
 148                         status = "okay";
 149
 150                         nand_controller: nand-controller {
 151                                 status = "okay";
 152                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 153                                 pinctrl-names = "default";
 154
 155                                 nand@3 {
 156                                         reg = <0x3 0x0 0x800000>;
 157                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 158                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 159                                         nand-bus-width = <8>;
 160                                         nand-ecc-mode = "soft";
 161                                         nand-on-flash-bbt;
 162                                         label = "atmel_nand";
 163
 164                                         partitions {
 165                                                 compatible = "fixed-partitions";
 166                                                 #address-cells = <1>;
 167                                                 #size-cells = <1>;
 168
 169                                                 at91bootstrap@0 {
 170                                                         label = "at91bootstrap";
 171                                                         reg = <0x0 0x20000>;
 172                                                 };
 173
 174                                                 barebox@20000 {
 175                                                         label = "barebox";
 176                                                         reg = <0x20000 0x40000>;
 177                                                 };
 178
 179                                                 bareboxenv@60000 {
 180                                                         label = "bareboxenv";
 181                                                         reg = <0x60000 0x20000>;
 182                                                 };
 183
 184                                                 bareboxenv2@80000 {
 185                                                         label = "bareboxenv2";
 186                                                         reg = <0x80000 0x20000>;
 187                                                 };
 188
 189                                                 oftree@80000 {
 190                                                         label = "oftree";
 191                                                         reg = <0xa0000 0x20000>;
 192                                                 };
 193
 194                                                 kernel@a0000 {
 195                                                         label = "kernel";
 196                                                         reg = <0xc0000 0x400000>;
 197                                                 };
 198
 199                                                 rootfs@4a0000 {
 200                                                         label = "rootfs";
 201                                                         reg = <0x4c0000 0x7800000>;
 202                                                 };
 203
 204                                                 data@7ca0000 {
 205                                                         label = "data";
 206                                                         reg = <0x7cc0000 0x8340000>;
 207                                                 };
 208                                         };
 209                                 };
 210                         };
 211                 };
 212
 213                 usb0: ohci@500000 {
 214                         num-ports = <2>;
 215                         status = "okay";
 216                 };
 217         };
 218
 219         i2c-gpio-0 {
 220                 status = "okay";
 221
 222                 24c512@50 {
 223                         compatible = "atmel,24c512";
 224                         reg = <0x50>;
 225                 };
 226
 227                 wm8731: wm8731@1b {
 228                         compatible = "wm8731";
 229                         reg = <0x1b>;
 230                 };
 231         };
 232
 233         gpio_keys {
 234                 compatible = "gpio-keys";
 235
 236                 btn3 {
 237                         label = "Button 3";
 238                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 239                         linux,code = <0x103>;
 240                         wakeup-source;
 241                 };
 242
 243                 btn4 {
 244                         label = "Button 4";
 245                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 246                         linux,code = <0x104>;
 247                         wakeup-source;
 248                 };
 249         };
 250
 251         sound {
 252                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 253                 pinctrl-names = "default";
 254                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 255
 256                 atmel,model = "wm8731 @ AT91SAMG20EK";
 257
 258                 atmel,audio-routing =
 259                         "Ext Spk", "LHPOUT",
 260                         "Int Mic", "MICIN";
 261
 262                 atmel,ssc-controller = <&ssc0>;
 263                 atmel,audio-codec = <&wm8731>;
 264         };
 265 };