arch/arm/boot/dts/at91sam9n12ek.dts

   1 /*
   2  * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
   3  *
   4  *  Copyright (C) 2012 Atmel,
   5  *                2012 Hong Xu <hong.xu@atmel.com>
   6  *
   7  * Licensed under GPLv2 or later.
   8  */
   9 /dts-v1/;
  10 #include "at91sam9n12.dtsi"
  11
  12 / {
  13         model = "Atmel AT91SAM9N12-EK";
  14         compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
  15
  16         chosen {
  17                 bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
  18         };
  19
  20         memory {
  21                 reg = <0x20000000 0x8000000>;
  22         };
  23
  24         clocks {
  25                 #address-cells = <1>;
  26                 #size-cells = <1>;
  27                 ranges;
  28
  29                 main_clock: clock@0 {
  30                         compatible = "atmel,osc", "fixed-clock";
  31                         clock-frequency = <16000000>;
  32                 };
  33
  34                 slow_xtal {
  35                         clock-frequency = <32768>;
  36                 };
  37
  38                 main_xtal {
  39                         clock-frequency = <16000000>;
  40                 };
  41         };
  42
  43         ahb {
  44                 apb {
  45                         dbgu: serial@fffff200 {
  46                                 status = "okay";
  47                         };
  48
  49                         ssc0: ssc@f0010000 {
  50                                 status = "okay";
  51                         };
  52
  53                         i2c0: i2c@f8010000 {
  54                                 status = "okay";
  55
  56                                 wm8904: codec@1a {
  57                                         compatible = "wlf,wm8904";
  58                                         reg = <0x1a>;
  59                                         clocks = <&pck0>;
  60                                         clock-names = "mclk";
  61                                 };
  62
  63                                 qt1070: keyboard@1b {
  64                                         compatible = "qt1070";
  65                                         reg = <0x1b>;
  66                                         interrupt-parent = <&pioA>;
  67                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  68                                         pinctrl-names = "default";
  69                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  70                                 };
  71                         };
  72
  73                         i2c1: i2c@f8014000 {
  74                                 status = "okay";
  75                         };
  76
  77                         mmc0: mmc@f0008000 {
  78                                 pinctrl-0 = <
  79                                         &pinctrl_board_mmc0
  80                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  81                                         &pinctrl_mmc0_slot0_dat1_3>;
  82                                 status = "okay";
  83                                 slot@0 {
  84                                         reg = <0>;
  85                                         bus-width = <4>;
  86                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  87                                 };
  88                         };
  89
  90                         pinctrl@fffff400 {
  91                                 mmc0 {
  92                                         pinctrl_board_mmc0: mmc0-board {
  93                                                 atmel,pins =
  94                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  95                                         };
  96                                 };
  97
  98                                 qt1070 {
  99                                         pinctrl_qt1070_irq: qt1070_irq {
 100                                                 atmel,pins =
 101                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 102                                         };
 103                                 };
 104
 105                                 sound {
 106                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
 107                                                 atmel,pins =
 108                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 109                                         };
 110                                 };
 111
 112                                 usb1 {
 113                                         pinctrl_usb1_vbus_sense: usb1_vbus_sense {
 114                                                 atmel,pins =
 115                                                         <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;  /* PB16 gpio usb vbus sense, no pull up and deglitch */
 116                                         };
 117                                 };
 118                         };
 119
 120                         spi0: spi@f0000000 {
 121                                 status = "okay";
 122                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 123                                 m25p80@0 {
 124                                         compatible = "atmel,at25df321a";
 125                                         spi-max-frequency = <50000000>;
 126                                         reg = <0>;
 127                                 };
 128                         };
 129
 130                         usb1: gadget@f803c000 {
 131                                 pinctrl-names = "default";
 132                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
 133                                 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
 134                                 status = "okay";
 135                         };
 136
 137                         watchdog@fffffe40 {
 138                                 status = "okay";
 139                         };
 140                 };
 141
 142                 nand0: nand@40000000 {
 143                         nand-bus-width = <8>;
 144                         nand-ecc-mode = "hw";
 145                         atmel,has-pmecc;
 146                         atmel,pmecc-cap = <2>;
 147                         atmel,pmecc-sector-size = <512>;
 148                         nand-on-flash-bbt;
 149                         status = "okay";
 150                 };
 151
 152                 usb0: ohci@00500000 {
 153                         num-ports = <1>;
 154                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 155                         status = "okay";
 156                 };
 157         };
 158
 159         leds {
 160                 compatible = "gpio-leds";
 161
 162                 d8 {
 163                         label = "d8";
 164                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 165                         linux,default-trigger = "mmc0";
 166                 };
 167
 168                 d9 {
 169                         label = "d6";
 170                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 171                         linux,default-trigger = "nand-disk";
 172                 };
 173
 174                 d10 {
 175                         label = "d7";
 176                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 177                         linux,default-trigger = "heartbeat";
 178                 };
 179         };
 180
 181         gpio_keys {
 182                 compatible = "gpio-keys";
 183
 184                 enter {
 185                         label = "Enter";
 186                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 187                         linux,code = <28>;
 188                         gpio-key,wakeup;
 189                 };
 190         };
 191
 192         sound {
 193                 compatible = "atmel,asoc-wm8904";
 194                 pinctrl-names = "default";
 195                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 196
 197                 atmel,model = "wm8904 @ AT91SAM9N12";
 198                 atmel,audio-routing =
 199                         "Headphone Jack", "HPOUTL",
 200                         "Headphone Jack", "HPOUTR",
 201                         "IN2L", "Line In Jack",
 202                         "IN2R", "Line In Jack",
 203                         "Mic", "MICBIAS",
 204                         "IN1L", "Mic";
 205
 206                 atmel,ssc-controller = <&ssc0>;
 207                 atmel,audio-codec = <&wm8904>;
 208         };
 209 };