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         slow_xtal {
  25                 clock-frequency = <32768>;
  26         };
  27
  28         main_xtal {
  29                 clock-frequency = <16000000>;
  30         };
  31
  32         clocks {
  33                 #address-cells = <1>;
  34                 #size-cells = <1>;
  35                 ranges;
  36
  37                 main_clock: clock@0 {
  38                         compatible = "atmel,osc", "fixed-clock";
  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                                 };
  60
  61                                 qt1070: keyboard@1b {
  62                                         compatible = "qt1070";
  63                                         reg = <0x1b>;
  64                                         interrupt-parent = <&pioA>;
  65                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  66                                         pinctrl-names = "default";
  67                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  68                                 };
  69                         };
  70
  71                         i2c1: i2c@f8014000 {
  72                                 status = "okay";
  73                         };
  74
  75                         mmc0: mmc@f0008000 {
  76                                 pinctrl-0 = <
  77                                         &pinctrl_board_mmc0
  78                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  79                                         &pinctrl_mmc0_slot0_dat1_3>;
  80                                 status = "okay";
  81                                 slot@0 {
  82                                         reg = <0>;
  83                                         bus-width = <4>;
  84                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  85                                 };
  86                         };
  87
  88                         pinctrl@fffff400 {
  89                                 mmc0 {
  90                                         pinctrl_board_mmc0: mmc0-board {
  91                                                 atmel,pins =
  92                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  93                                         };
  94                                 };
  95
  96                                 qt1070 {
  97                                         pinctrl_qt1070_irq: qt1070_irq {
  98                                                 atmel,pins =
  99                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 100                                         };
 101                                 };
 102
 103                                 sound {
 104                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
 105                                                 atmel,pins =
 106                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 107                                         };
 108                                 };
 109                         };
 110
 111                         spi0: spi@f0000000 {
 112                                 status = "okay";
 113                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 114                                 m25p80@0 {
 115                                         compatible = "atmel,at25df321a";
 116                                         spi-max-frequency = <50000000>;
 117                                         reg = <0>;
 118                                 };
 119                         };
 120
 121                         watchdog@fffffe40 {
 122                                 status = "okay";
 123                         };
 124                 };
 125
 126                 nand0: nand@40000000 {
 127                         nand-bus-width = <8>;
 128                         nand-ecc-mode = "hw";
 129                         atmel,has-pmecc;
 130                         atmel,pmecc-cap = <2>;
 131                         atmel,pmecc-sector-size = <512>;
 132                         nand-on-flash-bbt;
 133                         status = "okay";
 134                 };
 135
 136                 usb0: ohci@00500000 {
 137                         status = "okay";
 138                 };
 139         };
 140
 141         leds {
 142                 compatible = "gpio-leds";
 143
 144                 d8 {
 145                         label = "d8";
 146                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 147                         linux,default-trigger = "mmc0";
 148                 };
 149
 150                 d9 {
 151                         label = "d6";
 152                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 153                         linux,default-trigger = "nand-disk";
 154                 };
 155
 156                 d10 {
 157                         label = "d7";
 158                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 159                         linux,default-trigger = "heartbeat";
 160                 };
 161         };
 162
 163         gpio_keys {
 164                 compatible = "gpio-keys";
 165
 166                 enter {
 167                         label = "Enter";
 168                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 169                         linux,code = <28>;
 170                         gpio-key,wakeup;
 171                 };
 172         };
 173
 174         sound {
 175                 compatible = "atmel,asoc-wm8904";
 176                 pinctrl-names = "default";
 177                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 178
 179                 atmel,model = "wm8904 @ AT91SAM9N12";
 180                 atmel,audio-routing =
 181                         "Headphone Jack", "HPOUTL",
 182                         "Headphone Jack", "HPOUTR",
 183                         "IN2L", "Line In Jack",
 184                         "IN2R", "Line In Jack",
 185                         "Mic", "MICBIAS",
 186                         "IN1L", "Mic";
 187
 188                 atmel,ssc-controller = <&ssc0>;
 189                 atmel,audio-codec = <&wm8904>;
 190         };
 191 };