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
  35         ahb {
  36                 apb {
  37                         dbgu: serial@fffff200 {
  38                                 status = "okay";
  39                         };
  40
  41                         ssc0: ssc@f0010000 {
  42                                 status = "okay";
  43                         };
  44
  45                         i2c0: i2c@f8010000 {
  46                                 status = "okay";
  47
  48                                 wm8904: codec@1a {
  49                                         compatible = "wm8904";
  50                                         reg = <0x1a>;
  51                                 };
  52
  53                                 qt1070: keyboard@1b {
  54                                         compatible = "qt1070";
  55                                         reg = <0x1b>;
  56                                         interrupt-parent = <&pioA>;
  57                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  58                                         pinctrl-names = "default";
  59                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  60                                 };
  61                         };
  62
  63                         i2c1: i2c@f8014000 {
  64                                 status = "okay";
  65                         };
  66
  67                         mmc0: mmc@f0008000 {
  68                                 pinctrl-0 = <
  69                                         &pinctrl_board_mmc0
  70                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  71                                         &pinctrl_mmc0_slot0_dat1_3>;
  72                                 status = "okay";
  73                                 slot@0 {
  74                                         reg = <0>;
  75                                         bus-width = <4>;
  76                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  77                                 };
  78                         };
  79
  80                         pinctrl@fffff400 {
  81                                 mmc0 {
  82                                         pinctrl_board_mmc0: mmc0-board {
  83                                                 atmel,pins =
  84                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  85                                         };
  86                                 };
  87
  88                                 qt1070 {
  89                                         pinctrl_qt1070_irq: qt1070_irq {
  90                                                 atmel,pins =
  91                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
  92                                         };
  93                                 };
  94
  95                                 sound {
  96                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
  97                                                 atmel,pins =
  98                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
  99                                         };
 100                                 };
 101                         };
 102
 103                         spi0: spi@f0000000 {
 104                                 status = "okay";
 105                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 106                                 m25p80@0 {
 107                                         compatible = "atmel,at25df321a";
 108                                         spi-max-frequency = <50000000>;
 109                                         reg = <0>;
 110                                 };
 111                         };
 112
 113                         watchdog@fffffe40 {
 114                                 status = "okay";
 115                         };
 116                 };
 117
 118                 nand0: nand@40000000 {
 119                         nand-bus-width = <8>;
 120                         nand-ecc-mode = "hw";
 121                         atmel,has-pmecc;
 122                         atmel,pmecc-cap = <2>;
 123                         atmel,pmecc-sector-size = <512>;
 124                         nand-on-flash-bbt;
 125                         status = "okay";
 126                 };
 127         };
 128
 129         leds {
 130                 compatible = "gpio-leds";
 131
 132                 d8 {
 133                         label = "d8";
 134                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 135                         linux,default-trigger = "mmc0";
 136                 };
 137
 138                 d9 {
 139                         label = "d6";
 140                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 141                         linux,default-trigger = "nand-disk";
 142                 };
 143
 144                 d10 {
 145                         label = "d7";
 146                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 147                         linux,default-trigger = "heartbeat";
 148                 };
 149         };
 150
 151         gpio_keys {
 152                 compatible = "gpio-keys";
 153
 154                 enter {
 155                         label = "Enter";
 156                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 157                         linux,code = <28>;
 158                         gpio-key,wakeup;
 159                 };
 160         };
 161
 162         sound {
 163                 compatible = "atmel,asoc-wm8904";
 164                 pinctrl-names = "default";
 165                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 166
 167                 atmel,model = "wm8904 @ AT91SAM9N12";
 168                 atmel,audio-routing =
 169                         "Headphone Jack", "HPOUTL",
 170                         "Headphone Jack", "HPOUTR",
 171                         "IN2L", "Line In Jack",
 172                         "IN2R", "Line In Jack",
 173                         "Mic", "MICBIAS",
 174                         "IN1L", "Mic";
 175
 176                 atmel,ssc-controller = <&ssc0>;
 177                 atmel,audio-codec = <&wm8904>;
 178         };
 179 };