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 = "root=/dev/mtdblock1 rw rootfstype=jffs2";
  18                 stdout-path = "serial0:115200n8";
  19         };
  20
  21         memory {
  22                 reg = <0x20000000 0x8000000>;
  23         };
  24
  25         clocks {
  26                 #address-cells = <1>;
  27                 #size-cells = <1>;
  28                 ranges;
  29
  30                 main_clock: clock@0 {
  31                         compatible = "atmel,osc", "fixed-clock";
  32                         clock-frequency = <16000000>;
  33                 };
  34
  35                 slow_xtal {
  36                         clock-frequency = <32768>;
  37                 };
  38
  39                 main_xtal {
  40                         clock-frequency = <16000000>;
  41                 };
  42         };
  43
  44         ahb {
  45                 apb {
  46                         dbgu: serial@fffff200 {
  47                                 status = "okay";
  48                         };
  49
  50                         ssc0: ssc@f0010000 {
  51                                 status = "okay";
  52                         };
  53
  54                         i2c0: i2c@f8010000 {
  55                                 status = "okay";
  56
  57                                 wm8904: codec@1a {
  58                                         compatible = "wlf,wm8904";
  59                                         reg = <0x1a>;
  60                                         clocks = <&pck0>;
  61                                         clock-names = "mclk";
  62                                 };
  63
  64                                 qt1070: keyboard@1b {
  65                                         compatible = "qt1070";
  66                                         reg = <0x1b>;
  67                                         interrupt-parent = <&pioA>;
  68                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  69                                         pinctrl-names = "default";
  70                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  71                                 };
  72                         };
  73
  74                         i2c1: i2c@f8014000 {
  75                                 status = "okay";
  76                         };
  77
  78                         mmc0: mmc@f0008000 {
  79                                 pinctrl-0 = <
  80                                         &pinctrl_board_mmc0
  81                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  82                                         &pinctrl_mmc0_slot0_dat1_3>;
  83                                 status = "okay";
  84                                 slot@0 {
  85                                         reg = <0>;
  86                                         bus-width = <4>;
  87                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  88                                 };
  89                         };
  90
  91                         pinctrl@fffff400 {
  92                                 mmc0 {
  93                                         pinctrl_board_mmc0: mmc0-board {
  94                                                 atmel,pins =
  95                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  96                                         };
  97                                 };
  98
  99                                 qt1070 {
 100                                         pinctrl_qt1070_irq: qt1070_irq {
 101                                                 atmel,pins =
 102                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 103                                         };
 104                                 };
 105
 106                                 sound {
 107                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
 108                                                 atmel,pins =
 109                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 110                                         };
 111                                 };
 112
 113                                 usb1 {
 114                                         pinctrl_usb1_vbus_sense: usb1_vbus_sense {
 115                                                 atmel,pins =
 116                                                         <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;  /* PB16 gpio usb vbus sense, no pull up and deglitch */
 117                                         };
 118                                 };
 119                         };
 120
 121                         spi0: spi@f0000000 {
 122                                 status = "okay";
 123                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 124                                 m25p80@0 {
 125                                         compatible = "atmel,at25df321a";
 126                                         spi-max-frequency = <50000000>;
 127                                         reg = <0>;
 128                                 };
 129                         };
 130
 131                         usb1: gadget@f803c000 {
 132                                 pinctrl-names = "default";
 133                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
 134                                 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
 135                                 status = "okay";
 136                         };
 137
 138                         watchdog@fffffe40 {
 139                                 status = "okay";
 140                         };
 141
 142                         rtc@fffffeb0 {
 143                                 status = "okay";
 144                         };
 145                 };
 146
 147                 nand0: nand@40000000 {
 148                         nand-bus-width = <8>;
 149                         nand-ecc-mode = "hw";
 150                         atmel,has-pmecc;
 151                         atmel,pmecc-cap = <2>;
 152                         atmel,pmecc-sector-size = <512>;
 153                         nand-on-flash-bbt;
 154                         status = "okay";
 155                 };
 156
 157                 usb0: ohci@00500000 {
 158                         num-ports = <1>;
 159                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 160                         status = "okay";
 161                 };
 162         };
 163
 164         leds {
 165                 compatible = "gpio-leds";
 166
 167                 d8 {
 168                         label = "d8";
 169                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 170                         linux,default-trigger = "mmc0";
 171                 };
 172
 173                 d9 {
 174                         label = "d6";
 175                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 176                         linux,default-trigger = "nand-disk";
 177                 };
 178
 179                 d10 {
 180                         label = "d7";
 181                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 182                         linux,default-trigger = "heartbeat";
 183                 };
 184         };
 185
 186         gpio_keys {
 187                 compatible = "gpio-keys";
 188
 189                 enter {
 190                         label = "Enter";
 191                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 192                         linux,code = <28>;
 193                         gpio-key,wakeup;
 194                 };
 195         };
 196
 197         sound {
 198                 compatible = "atmel,asoc-wm8904";
 199                 pinctrl-names = "default";
 200                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 201
 202                 atmel,model = "wm8904 @ AT91SAM9N12";
 203                 atmel,audio-routing =
 204                         "Headphone Jack", "HPOUTL",
 205                         "Headphone Jack", "HPOUTR",
 206                         "IN2L", "Line In Jack",
 207                         "IN2R", "Line In Jack",
 208                         "Mic", "MICBIAS",
 209                         "IN1L", "Mic";
 210
 211                 atmel,ssc-controller = <&ssc0>;
 212                 atmel,audio-codec = <&wm8904>;
 213         };
 214 };