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                 slow_xtal {
  27                         clock-frequency = <32768>;
  28                 };
  29
  30                 main_xtal {
  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                         tcb0: timer@f8008000 {
  46                                 timer@0 {
  47                                         compatible = "atmel,tcb-timer";
  48                                         reg = <0>;
  49                                 };
  50
  51                                 timer@1 {
  52                                         compatible = "atmel,tcb-timer";
  53                                         reg = <1>;
  54                                 };
  55                         };
  56
  57                         i2c0: i2c@f8010000 {
  58                                 status = "okay";
  59
  60                                 wm8904: codec@1a {
  61                                         compatible = "wlf,wm8904";
  62                                         reg = <0x1a>;
  63                                         clocks = <&pck0>;
  64                                         clock-names = "mclk";
  65                                 };
  66
  67                                 qt1070: keyboard@1b {
  68                                         compatible = "qt1070";
  69                                         reg = <0x1b>;
  70                                         interrupt-parent = <&pioA>;
  71                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  72                                         pinctrl-names = "default";
  73                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  74                                 };
  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                         hlcdc: hlcdc@f8038000 {
 131                                 status = "okay";
 132
 133                                 hlcdc-display-controller {
 134                                         pinctrl-names = "default";
 135                                         pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
 136
 137                                         port@0 {
 138                                                 hlcdc_panel_output: endpoint@0 {
 139                                                         reg = <0>;
 140                                                         remote-endpoint = <&panel_input>;
 141                                                 };
 142                                         };
 143                                 };
 144                         };
 145
 146                         usb1: gadget@f803c000 {
 147                                 pinctrl-names = "default";
 148                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
 149                                 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
 150                                 status = "okay";
 151                         };
 152
 153                         watchdog@fffffe40 {
 154                                 status = "okay";
 155                         };
 156
 157                         rtc@fffffeb0 {
 158                                 status = "okay";
 159                         };
 160                 };
 161
 162                 ebi: ebi@10000000 {
 163                         status = "okay";
 164
 165                         nand_controller: nand-controller {
 166                                 status = "okay";
 167                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 168                                 pinctrl-names = "default";
 169
 170                                 nand@3 {
 171                                         reg = <0x3 0x0 0x800000>;
 172                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
 173                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 174                                         nand-bus-width = <8>;
 175                                         nand-ecc-mode = "soft";
 176                                         nand-ecc-strength = <2>;
 177                                         nand-ecc-step-size = <512>;
 178                                         nand-on-flash-bbt;
 179                                         label = "atmel_nand";
 180                                 };
 181                         };
 182                 };
 183
 184                 usb0: ohci@500000 {
 185                         num-ports = <1>;
 186                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 187                         status = "okay";
 188                 };
 189         };
 190
 191         backlight: backlight {
 192                 compatible = "pwm-backlight";
 193                 pwms = <&hlcdc_pwm 0 50000 0>;
 194                 brightness-levels = <0 4 8 16 32 64 128 255>;
 195                 default-brightness-level = <6>;
 196                 power-supply = <&bl_reg>;
 197                 status = "okay";
 198         };
 199
 200         bl_reg: backlight_regulator {
 201                 compatible = "regulator-fixed";
 202                 regulator-name = "backlight-power-supply";
 203                 regulator-min-microvolt = <5000000>;
 204                 regulator-max-microvolt = <5000000>;
 205                 status = "okay";
 206         };
 207
 208         leds {
 209                 compatible = "gpio-leds";
 210
 211                 d8 {
 212                         label = "d8";
 213                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 214                         linux,default-trigger = "mmc0";
 215                 };
 216
 217                 d9 {
 218                         label = "d9";
 219                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 220                         linux,default-trigger = "nand-disk";
 221                 };
 222
 223                 d10 {
 224                         label = "d10";
 225                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 226                         linux,default-trigger = "heartbeat";
 227                 };
 228         };
 229
 230         gpio_keys {
 231                 compatible = "gpio-keys";
 232
 233                 enter {
 234                         label = "Enter";
 235                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 236                         linux,code = <28>;
 237                         wakeup-source;
 238                 };
 239         };
 240
 241         panel: panel {
 242                 compatible = "qiaodian,qd43003c0-40", "simple-panel";
 243                 backlight = <&backlight>;
 244                 power-supply = <&panel_reg>;
 245                 #address-cells = <1>;
 246                 #size-cells = <0>;
 247                 status = "okay";
 248
 249                 port@0 {
 250                         reg = <0>;
 251                         #address-cells = <1>;
 252                         #size-cells = <0>;
 253
 254                         panel_input: endpoint@0 {
 255                                 reg = <0>;
 256                                 remote-endpoint = <&hlcdc_panel_output>;
 257                         };
 258                 };
 259         };
 260
 261         panel_reg: panel_regulator {
 262                 compatible = "regulator-fixed";
 263                 regulator-name = "panel-power-supply";
 264                 regulator-min-microvolt = <3300000>;
 265                 regulator-max-microvolt = <3300000>;
 266                 status = "okay";
 267         };
 268
 269         sound {
 270                 compatible = "atmel,asoc-wm8904";
 271                 pinctrl-names = "default";
 272                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 273
 274                 atmel,model = "wm8904 @ AT91SAM9N12";
 275                 atmel,audio-routing =
 276                         "Headphone Jack", "HPOUTL",
 277                         "Headphone Jack", "HPOUTR",
 278                         "IN2L", "Line In Jack",
 279                         "IN2R", "Line In Jack",
 280                         "Mic", "MICBIAS",
 281                         "IN1L", "Mic";
 282
 283                 atmel,ssc-controller = <&ssc0>;
 284                 atmel,audio-codec = <&wm8904>;
 285         };
 286 };