arch/arm/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                 u-boot,dm-pre-reloc;
  20         };
  21
  22         memory {
  23                 reg = <0x20000000 0x8000000>;
  24         };
  25
  26         clocks {
  27                 slow_xtal {
  28                         clock-frequency = <32768>;
  29                 };
  30
  31                 main_xtal {
  32                         clock-frequency = <16000000>;
  33                 };
  34         };
  35
  36         ahb {
  37                 apb {
  38                         dbgu: serial@fffff200 {
  39                                 u-boot,dm-pre-reloc;
  40                                 status = "okay";
  41                         };
  42
  43                         ssc0: ssc@f0010000 {
  44                                 status = "okay";
  45                         };
  46
  47                         i2c0: i2c@f8010000 {
  48                                 status = "okay";
  49
  50                                 wm8904: codec@1a {
  51                                         compatible = "wlf,wm8904";
  52                                         reg = <0x1a>;
  53                                         clocks = <&pck0>;
  54                                         clock-names = "mclk";
  55                                 };
  56
  57                                 qt1070: keyboard@1b {
  58                                         compatible = "qt1070";
  59                                         reg = <0x1b>;
  60                                         interrupt-parent = <&pioA>;
  61                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  62                                         pinctrl-names = "default";
  63                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  64                                 };
  65                         };
  66
  67                         mmc0: mmc@f0008000 {
  68                                 pinctrl-names = "default";
  69                                 pinctrl-0 = <
  70                                         &pinctrl_board_mmc0
  71                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  72                                         &pinctrl_mmc0_slot0_dat1_3>;
  73                                 status = "okay";
  74                                 slot@0 {
  75                                         reg = <0>;
  76                                         bus-width = <4>;
  77                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  78                                 };
  79                         };
  80
  81                         pinctrl@fffff400 {
  82                                 mmc0 {
  83                                         pinctrl_board_mmc0: mmc0-board {
  84                                                 atmel,pins =
  85                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  86                                         };
  87                                 };
  88
  89                                 qt1070 {
  90                                         pinctrl_qt1070_irq: qt1070_irq {
  91                                                 atmel,pins =
  92                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
  93                                         };
  94                                 };
  95
  96                                 sound {
  97                                         pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
  98                                                 atmel,pins =
  99                                                         <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 100                                         };
 101                                 };
 102
 103                                 usb1 {
 104                                         pinctrl_usb1_vbus_sense: usb1_vbus_sense {
 105                                                 atmel,pins =
 106                                                         <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;  /* PB16 gpio usb vbus sense, no pull up and deglitch */
 107                                         };
 108                                 };
 109                         };
 110
 111                         spi0: spi@f0000000 {
 112                                 status = "okay";
 113                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 114                                 spi_flash@0 {
 115                                         compatible = "jedec,spi-nor";
 116                                         spi-max-frequency = <50000000>;
 117                                         reg = <0>;
 118                                 };
 119                         };
 120
 121                         hlcdc: hlcdc@f8038000 {
 122                                 status = "okay";
 123
 124                                 hlcdc-display-controller {
 125                                         pinctrl-names = "default";
 126                                         pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
 127
 128                                         port@0 {
 129                                                 hlcdc_panel_output: endpoint@0 {
 130                                                         reg = <0>;
 131                                                         remote-endpoint = <&panel_input>;
 132                                                 };
 133                                         };
 134                                 };
 135                         };
 136
 137                         usb1: gadget@f803c000 {
 138                                 pinctrl-names = "default";
 139                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
 140                                 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
 141                                 status = "okay";
 142                         };
 143
 144                         watchdog@fffffe40 {
 145                                 status = "okay";
 146                         };
 147
 148                         rtc@fffffeb0 {
 149                                 status = "okay";
 150                         };
 151                 };
 152
 153                 nand0: nand@40000000 {
 154                         nand-bus-width = <8>;
 155                         nand-ecc-mode = "hw";
 156                         atmel,has-pmecc;
 157                         atmel,pmecc-cap = <2>;
 158                         atmel,pmecc-sector-size = <512>;
 159                         nand-on-flash-bbt;
 160                         status = "okay";
 161                 };
 162
 163                 usb0: ohci@00500000 {
 164                         num-ports = <1>;
 165                         atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 166                         status = "okay";
 167                 };
 168         };
 169
 170         backlight: backlight {
 171                 compatible = "pwm-backlight";
 172                 pwms = <&hlcdc_pwm 0 50000 0>;
 173                 brightness-levels = <0 4 8 16 32 64 128 255>;
 174                 default-brightness-level = <6>;
 175                 power-supply = <&bl_reg>;
 176                 status = "okay";
 177         };
 178
 179         bl_reg: backlight_regulator {
 180                 compatible = "regulator-fixed";
 181                 regulator-name = "backlight-power-supply";
 182                 regulator-min-microvolt = <5000000>;
 183                 regulator-max-microvolt = <5000000>;
 184                 status = "okay";
 185         };
 186
 187         leds {
 188                 compatible = "gpio-leds";
 189
 190                 d8 {
 191                         label = "d8";
 192                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 193                         linux,default-trigger = "mmc0";
 194                 };
 195
 196                 d9 {
 197                         label = "d9";
 198                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 199                         linux,default-trigger = "nand-disk";
 200                 };
 201
 202                 d10 {
 203                         label = "d10";
 204                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 205                         linux,default-trigger = "heartbeat";
 206                 };
 207         };
 208
 209         gpio_keys {
 210                 compatible = "gpio-keys";
 211
 212                 enter {
 213                         label = "Enter";
 214                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 215                         linux,code = <28>;
 216                         wakeup-source;
 217                 };
 218         };
 219
 220         panel: panel {
 221                 compatible = "qiaodian,qd43003c0-40", "simple-panel";
 222                 backlight = <&backlight>;
 223                 power-supply = <&panel_reg>;
 224                 #address-cells = <1>;
 225                 #size-cells = <0>;
 226                 status = "okay";
 227
 228                 port@0 {
 229                         reg = <0>;
 230                         #address-cells = <1>;
 231                         #size-cells = <0>;
 232
 233                         panel_input: endpoint@0 {
 234                                 reg = <0>;
 235                                 remote-endpoint = <&hlcdc_panel_output>;
 236                         };
 237                 };
 238         };
 239
 240         panel_reg: panel_regulator {
 241                 compatible = "regulator-fixed";
 242                 regulator-name = "panel-power-supply";
 243                 regulator-min-microvolt = <3300000>;
 244                 regulator-max-microvolt = <3300000>;
 245                 status = "okay";
 246         };
 247
 248         sound {
 249                 compatible = "atmel,asoc-wm8904";
 250                 pinctrl-names = "default";
 251                 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
 252
 253                 atmel,model = "wm8904 @ AT91SAM9N12";
 254                 atmel,audio-routing =
 255                         "Headphone Jack", "HPOUTL",
 256                         "Headphone Jack", "HPOUTR",
 257                         "IN2L", "Line In Jack",
 258                         "IN2R", "Line In Jack",
 259                         "Mic", "MICBIAS",
 260                         "IN1L", "Mic";
 261
 262                 atmel,ssc-controller = <&ssc0>;
 263                 atmel,audio-codec = <&wm8904>;
 264         };
 265 };