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                         i2c0: i2c@f8010000 {
  46                                 status = "okay";
  47
  48                                 wm8904: codec@1a {
  49                                         compatible = "wlf,wm8904";
  50                                         reg = <0x1a>;
  51                                         clocks = <&pck0>;
  52                                         clock-names = "mclk";
  53                                 };
  54
  55                                 qt1070: keyboard@1b {
  56                                         compatible = "qt1070";
  57                                         reg = <0x1b>;
  58                                         interrupt-parent = <&pioA>;
  59                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  60                                         pinctrl-names = "default";
  61                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  62                                 };
  63                         };
  64
  65                         mmc0: mmc@f0008000 {
  66                                 pinctrl-0 = <
  67                                         &pinctrl_board_mmc0
  68                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  69                                         &pinctrl_mmc0_slot0_dat1_3>;
  70                                 status = "okay";
  71                                 slot@0 {
  72                                         reg = <0>;
  73                                         bus-width = <4>;
  74                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  75                                 };
  76                         };
  77
  78                         pinctrl@fffff400 {
  79                                 mmc0 {
  80                                         pinctrl_board_mmc0: mmc0-board {
  81                                                 atmel,pins =
  82                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  83                                         };
  84                                 };
  85
  86                                 qt1070 {
  87                                         pinctrl_qt1070_irq: qt1070_irq {
  88                                                 atmel,pins =
  89                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
  90                                         };
  91                                 };
  92
  93                                 sound {
  94                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
  95                                                 atmel,pins =
  96                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
  97                                         };
  98                                 };
  99
 100                                 usb1 {
 101                                         pinctrl_usb1_vbus_sense: usb1_vbus_sense {
 102                                                 atmel,pins =
 103                                                         <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;  /* PB16 gpio usb vbus sense, no pull up and deglitch */
 104                                         };
 105                                 };
 106                         };
 107
 108                         spi0: spi@f0000000 {
 109                                 status = "okay";
 110                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 111                                 m25p80@0 {
 112                                         compatible = "atmel,at25df321a";
 113                                         spi-max-frequency = <50000000>;
 114                                         reg = <0>;
 115                                 };
 116                         };
 117
 118                         hlcdc: hlcdc@f8038000 {
 119                                 status = "okay";
 120
 121                                 hlcdc-display-controller {
 122                                         pinctrl-names = "default";
 123                                         pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
 124
 125                                         port@0 {
 126                                                 hlcdc_panel_output: endpoint@0 {
 127                                                         reg = <0>;
 128                                                         remote-endpoint = <&panel_input>;
 129                                                 };
 130                                         };
 131                                 };
 132                         };
 133
 134                         usb1: gadget@f803c000 {
 135                                 pinctrl-names = "default";
 136                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
 137                                 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
 138                                 status = "okay";
 139                         };
 140
 141                         watchdog@fffffe40 {
 142                                 status = "okay";
 143                         };
 144
 145                         rtc@fffffeb0 {
 146                                 status = "okay";
 147                         };
 148                 };
 149
 150                 ebi: ebi@10000000 {
 151                         status = "okay";
 152
 153                         nand_controller: nand-controller {
 154                                 status = "okay";
 155                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 156                                 pinctrl-names = "default";
 157
 158                                 nand@3 {
 159                                         reg = <0x3 0x0 0x800000>;
 160                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
 161                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 162                                         nand-bus-width = <8>;
 163                                         nand-ecc-mode = "soft";
 164                                         nand-ecc-strength = <2>;
 165                                         nand-ecc-step-size = <512>;
 166                                         nand-on-flash-bbt;
 167                                         label = "atmel_nand";
 168                                 };
 169                         };
 170                 };
 171
 172                 usb0: ohci@500000 {
 173                         num-ports = <1>;
 174                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 175                         status = "okay";
 176                 };
 177         };
 178
 179         backlight: backlight {
 180                 compatible = "pwm-backlight";
 181                 pwms = <&hlcdc_pwm 0 50000 0>;
 182                 brightness-levels = <0 4 8 16 32 64 128 255>;
 183                 default-brightness-level = <6>;
 184                 power-supply = <&bl_reg>;
 185                 status = "okay";
 186         };
 187
 188         bl_reg: backlight_regulator {
 189                 compatible = "regulator-fixed";
 190                 regulator-name = "backlight-power-supply";
 191                 regulator-min-microvolt = <5000000>;
 192                 regulator-max-microvolt = <5000000>;
 193                 status = "okay";
 194         };
 195
 196         leds {
 197                 compatible = "gpio-leds";
 198
 199                 d8 {
 200                         label = "d8";
 201                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 202                         linux,default-trigger = "mmc0";
 203                 };
 204
 205                 d9 {
 206                         label = "d9";
 207                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 208                         linux,default-trigger = "nand-disk";
 209                 };
 210
 211                 d10 {
 212                         label = "d10";
 213                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 214                         linux,default-trigger = "heartbeat";
 215                 };
 216         };
 217
 218         gpio_keys {
 219                 compatible = "gpio-keys";
 220
 221                 enter {
 222                         label = "Enter";
 223                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 224                         linux,code = <28>;
 225                         wakeup-source;
 226                 };
 227         };
 228
 229         panel: panel {
 230                 compatible = "qiaodian,qd43003c0-40", "simple-panel";
 231                 backlight = <&backlight>;
 232                 power-supply = <&panel_reg>;
 233                 #address-cells = <1>;
 234                 #size-cells = <0>;
 235                 status = "okay";
 236
 237                 port@0 {
 238                         reg = <0>;
 239                         #address-cells = <1>;
 240                         #size-cells = <0>;
 241
 242                         panel_input: endpoint@0 {
 243                                 reg = <0>;
 244                                 remote-endpoint = <&hlcdc_panel_output>;
 245                         };
 246                 };
 247         };
 248
 249         panel_reg: panel_regulator {
 250                 compatible = "regulator-fixed";
 251                 regulator-name = "panel-power-supply";
 252                 regulator-min-microvolt = <3300000>;
 253                 regulator-max-microvolt = <3300000>;
 254                 status = "okay";
 255         };
 256
 257         sound {
 258                 compatible = "atmel,asoc-wm8904";
 259                 pinctrl-names = "default";
 260                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 261
 262                 atmel,model = "wm8904 @ AT91SAM9N12";
 263                 atmel,audio-routing =
 264                         "Headphone Jack", "HPOUTL",
 265                         "Headphone Jack", "HPOUTR",
 266                         "IN2L", "Line In Jack",
 267                         "IN2R", "Line In Jack",
 268                         "Mic", "MICBIAS",
 269                         "IN1L", "Mic";
 270
 271                 atmel,ssc-controller = <&ssc0>;
 272                 atmel,audio-codec = <&wm8904>;
 273         };
 274 };