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 = "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
 113                         spi0: spi@f0000000 {
 114                                 status = "okay";
 115                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 116                                 m25p80@0 {
 117                                         compatible = "atmel,at25df321a";
 118                                         spi-max-frequency = <50000000>;
 119                                         reg = <0>;
 120                                 };
 121                         };
 122
 123                         watchdog@fffffe40 {
 124                                 status = "okay";
 125                         };
 126                 };
 127
 128                 nand0: nand@40000000 {
 129                         nand-bus-width = <8>;
 130                         nand-ecc-mode = "hw";
 131                         atmel,has-pmecc;
 132                         atmel,pmecc-cap = <2>;
 133                         atmel,pmecc-sector-size = <512>;
 134                         nand-on-flash-bbt;
 135                         status = "okay";
 136                 };
 137
 138                 usb0: ohci@00500000 {
 139                         num-ports = <1>;
 140                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 141                         status = "okay";
 142                 };
 143         };
 144
 145         leds {
 146                 compatible = "gpio-leds";
 147
 148                 d8 {
 149                         label = "d8";
 150                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 151                         linux,default-trigger = "mmc0";
 152                 };
 153
 154                 d9 {
 155                         label = "d6";
 156                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 157                         linux,default-trigger = "nand-disk";
 158                 };
 159
 160                 d10 {
 161                         label = "d7";
 162                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 163                         linux,default-trigger = "heartbeat";
 164                 };
 165         };
 166
 167         gpio_keys {
 168                 compatible = "gpio-keys";
 169
 170                 enter {
 171                         label = "Enter";
 172                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 173                         linux,code = <28>;
 174                         gpio-key,wakeup;
 175                 };
 176         };
 177
 178         sound {
 179                 compatible = "atmel,asoc-wm8904";
 180                 pinctrl-names = "default";
 181                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 182
 183                 atmel,model = "wm8904 @ AT91SAM9N12";
 184                 atmel,audio-routing =
 185                         "Headphone Jack", "HPOUTL",
 186                         "Headphone Jack", "HPOUTR",
 187                         "IN2L", "Line In Jack",
 188                         "IN2R", "Line In Jack",
 189                         "Mic", "MICBIAS",
 190                         "IN1L", "Mic";
 191
 192                 atmel,ssc-controller = <&ssc0>;
 193                 atmel,audio-codec = <&wm8904>;
 194         };
 195 };