arch/arm/boot/dts/am335x-pepper.dts

   1 /*
   2  * Copyright (C) 2014 Gumstix, Inc. - https://www.gumstix.com/
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 /dts-v1/;
   9
  10 #include <dt-bindings/input/input.h>
  11 #include "am33xx.dtsi"
  12
  13 / {
  14         model = "Gumstix Pepper";
  15         compatible = "gumstix,am335x-pepper", "ti,am33xx";
  16
  17         cpus {
  18                 cpu@0 {
  19                         cpu0-supply = <&dcdc3_reg>;
  20                 };
  21         };
  22
  23         memory@80000000 {
  24                 device_type = "memory";
  25                 reg = <0x80000000 0x20000000>; /* 512 MB */
  26         };
  27
  28         buttons: user_buttons {
  29                 compatible = "gpio-keys";
  30         };
  31
  32         leds: user_leds {
  33                 compatible = "gpio-leds";
  34         };
  35
  36         panel: lcd_panel {
  37                 compatible = "ti,tilcdc,panel";
  38         };
  39
  40         sound: sound_iface {
  41                 compatible = "ti,da830-evm-audio";
  42         };
  43
  44         vbat: fixedregulator0 {
  45                 compatible = "regulator-fixed";
  46         };
  47
  48         v3v3c_reg: fixedregulator1 {
  49                 compatible = "regulator-fixed";
  50         };
  51
  52         vdd5_reg: fixedregulator2 {
  53                 compatible = "regulator-fixed";
  54         };
  55 };
  56
  57 /* I2C Busses */
  58 &i2c0 {
  59         status = "okay";
  60         pinctrl-names = "default";
  61         pinctrl-0 = <&i2c0_pins>;
  62
  63         clock-frequency = <400000>;
  64
  65         tps: tps@24 {
  66                 reg = <0x24>;
  67         };
  68
  69         eeprom: eeprom@50 {
  70                 compatible = "at,24c256";
  71                 reg = <0x50>;
  72         };
  73
  74         audio_codec: tlv320aic3106@1b {
  75                 compatible = "ti,tlv320aic3106";
  76                 reg = <0x1b>;
  77                 ai3x-micbias-vg = <0x2>;
  78         };
  79
  80         accel: lis331dlh@1d {
  81                 compatible = "st,lis3lv02d";
  82                 reg = <0x1d>;
  83         };
  84 };
  85
  86 &i2c1 {
  87         status = "okay";
  88         pinctrl-names = "default";
  89         pinctrl-0 = <&i2c1_pins>;
  90         clock-frequency = <400000>;
  91 };
  92
  93 &am33xx_pinmux {
  94         i2c0_pins: pinmux_i2c0 {
  95                 pinctrl-single,pins = <
  96                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_sda.i2c0_sda */
  97                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_scl.i2c0_scl */
  98                 >;
  99         };
 100         i2c1_pins: pinmux_i2c1 {
 101                 pinctrl-single,pins = <
 102                         AM33XX_IOPAD(0x90C, PIN_INPUT_PULLUP | MUX_MODE3)       /* mii1_crs,i2c1_sda */
 103                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLUP | MUX_MODE3)       /* mii1_rxerr,i2c1_scl */
 104                 >;
 105         };
 106 };
 107
 108 /* Accelerometer */
 109 &accel {
 110         pinctrl-names = "default";
 111         pinctrl-0 = <&accel_pins>;
 112
 113         Vdd-supply = <&ldo3_reg>;
 114         Vdd_IO-supply = <&ldo3_reg>;
 115         st,irq1-click;
 116         st,wakeup-x-lo;
 117         st,wakeup-x-hi;
 118         st,wakeup-y-lo;
 119         st,wakeup-y-hi;
 120         st,wakeup-z-lo;
 121         st,wakeup-z-hi;
 122         st,min-limit-x = <92>;
 123         st,max-limit-x = <14>;
 124         st,min-limit-y = <14>;
 125         st,max-limit-y = <92>;
 126         st,min-limit-z = <92>;
 127         st,max-limit-z = <14>;
 128 };
 129
 130 &am33xx_pinmux {
 131         accel_pins: pinmux_accel {
 132                 pinctrl-single,pins = <
 133                         AM33XX_IOPAD(0x898, PIN_INPUT | MUX_MODE7)   /* gpmc_wen.gpio2_4 */
 134                 >;
 135         };
 136 };
 137
 138 /* Audio */
 139 &audio_codec {
 140         status = "okay";
 141
 142         gpio-reset = <&gpio1 16 GPIO_ACTIVE_LOW>;
 143         AVDD-supply = <&ldo3_reg>;
 144         IOVDD-supply = <&ldo3_reg>;
 145         DRVDD-supply = <&ldo3_reg>;
 146         DVDD-supply = <&dcdc1_reg>;
 147 };
 148
 149 &sound {
 150         ti,model = "AM335x-EVM";
 151         ti,audio-codec = <&audio_codec>;
 152         ti,mcasp-controller = <&mcasp0>;
 153         ti,codec-clock-rate = <12000000>;
 154         ti,audio-routing =
 155                 "Headphone Jack",       "HPLOUT",
 156                 "Headphone Jack",       "HPROUT",
 157                 "MIC3L",                "Mic3L Switch";
 158 };
 159
 160 &mcasp0 {
 161         status = "okay";
 162         pinctrl-names = "default";
 163         pinctrl-0 = <&audio_pins>;
 164
 165         op-mode = <0>;  /* MCASP_ISS_MODE */
 166         tdm-slots = <2>;
 167         serial-dir = <
 168                 1 2 0 0
 169                 0 0 0 0
 170                 0 0 0 0
 171                 0 0 0 0
 172         >;
 173         tx-num-evt = <1>;
 174         rx-num-evt = <1>;
 175 };
 176
 177 &am33xx_pinmux {
 178         audio_pins: pinmux_audio {
 179                 pinctrl-single,pins = <
 180                         AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* mcasp0_ahcklx.mcasp0_ahclkx */
 181                         AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* mcasp0_fsx.mcasp0_fsx */
 182                         AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* mcasp0_aclkx.mcasp0_aclkx */
 183                         AM33XX_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* mcasp0_axr0.mcasp0_axr0 */
 184                         AM33XX_IOPAD(0x9a8, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* mcasp0_axr1.mcasp0_axr1 */
 185                         AM33XX_IOPAD(0x840, PIN_OUTPUT | MUX_MODE7)     /* gpmc_a0.gpio1_16 */
 186                 >;
 187         };
 188 };
 189
 190 /* Display: 24-bit LCD Screen */
 191 &panel {
 192         status = "okay";
 193         pinctrl-names = "default";
 194         pinctrl-0 = <&lcd_pins>;
 195         panel-info {
 196                 ac-bias = <255>;
 197                 ac-bias-intrpt = <0>;
 198                 dma-burst-sz = <16>;
 199                 bpp = <32>;
 200                 fdd = <0x80>;
 201                 sync-edge = <0>;
 202                 sync-ctrl = <1>;
 203                 raster-order = <0>;
 204                 fifo-th = <0>;
 205         };
 206         display-timings {
 207                 native-mode = <&timing0>;
 208                 timing0: 480x272 {
 209                         clock-frequency = <18400000>;
 210                         hactive = <480>;
 211                         vactive = <272>;
 212                         hfront-porch = <8>;
 213                         hback-porch = <4>;
 214                         hsync-len = <41>;
 215                         vfront-porch = <4>;
 216                         vback-porch = <2>;
 217                         vsync-len = <10>;
 218                         hsync-active = <1>;
 219                         vsync-active = <1>;
 220                 };
 221         };
 222 };
 223
 224 &lcdc {
 225         status = "okay";
 226 };
 227
 228 &am33xx_pinmux {
 229         lcd_pins: pinmux_lcd {
 230                 pinctrl-single,pins = <
 231                         AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)     /* lcd_data0.lcd_data0 */
 232                         AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)     /* lcd_data1.lcd_data1 */
 233                         AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)     /* lcd_data2.lcd_data2 */
 234                         AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)     /* lcd_data3.lcd_data3 */
 235                         AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)     /* lcd_data4.lcd_data4 */
 236                         AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)     /* lcd_data5.lcd_data5 */
 237                         AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)     /* lcd_data6.lcd_data6 */
 238                         AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)     /* lcd_data7.lcd_data7 */
 239                         AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)     /* lcd_data8.lcd_data8 */
 240                         AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)     /* lcd_data9.lcd_data9 */
 241                         AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)     /* lcd_data10.lcd_data10 */
 242                         AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)     /* lcd_data11.lcd_data11 */
 243                         AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)     /* lcd_data12.lcd_data12 */
 244                         AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)     /* lcd_data13.lcd_data13 */
 245                         AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)     /* lcd_data14.lcd_data14 */
 246                         AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)     /* lcd_data15.lcd_data15 */
 247                         AM33XX_IOPAD(0x820, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad8.lcd_data16 */
 248                         AM33XX_IOPAD(0x824, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad9.lcd_data17 */
 249                         AM33XX_IOPAD(0x828, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad10.lcd_data18 */
 250                         AM33XX_IOPAD(0x82c, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad11.lcd_data19 */
 251                         AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad12.lcd_data20 */
 252                         AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad13.lcd_data21 */
 253                         AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad14.lcd_data22 */
 254                         AM33XX_IOPAD(0x83c, PIN_OUTPUT | MUX_MODE1)     /* gpmc_ad15.lcd_data23 */
 255                         AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0)     /* lcd_vsync.lcd_vsync */
 256                         AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0)     /* lcd_hsync.lcd_hsync */
 257                         AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0)     /* lcd_pclk.lcd_pclk */
 258                         AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0)     /* lcd_ac_bias_en.lcd_ac_bias_en */
 259                         /* Display Enable */
 260                         AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a11.gpio1_27 */
 261                 >;
 262         };
 263 };
 264
 265 /* Ethernet */
 266 &cpsw_emac0 {
 267         status = "okay";
 268         phy_id = <&davinci_mdio>, <0>;
 269         phy-mode = "rgmii";
 270 };
 271
 272 &cpsw_emac1 {
 273         status = "okay";
 274         phy_id = <&davinci_mdio>, <1>;
 275         phy-mode = "rgmii";
 276 };
 277
 278 &davinci_mdio {
 279         status = "okay";
 280         pinctrl-names = "default";
 281         pinctrl-0 = <&mdio_pins>;
 282 };
 283
 284 &mac {
 285         status = "okay";
 286         pinctrl-names = "default";
 287         pinctrl-0 = <&ethernet_pins>;
 288 };
 289
 290
 291 &am33xx_pinmux {
 292         ethernet_pins: pinmux_ethernet {
 293                 pinctrl-single,pins = <
 294                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txen.rgmii1_tctl */
 295                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxdv.rgmii1_rctl */
 296                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd3.rgmii1_td3 */
 297                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd2.rgmii1_td2 */
 298                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
 299                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
 300                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_txclk.rgmii1_tclk */
 301                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxclk.rgmii1_rclk */
 302                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxd3.rgmii1_rxd3 */
 303                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxd2.rgmii1_rxd2 */
 304                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxd1.rgmii1_rxd1 */
 305                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLUP | MUX_MODE2)       /* mii1_rxd0.rgmii1_rxd0 */
 306                         /* ethernet interrupt */
 307                         AM33XX_IOPAD(0x944, PIN_INPUT_PULLUP | MUX_MODE7)       /* rmii2_refclk.gpio0_29 */
 308                         /* ethernet PHY nReset */
 309                         AM33XX_IOPAD(0x908, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* mii1_col.gpio3_0 */
 310                 >;
 311         };
 312
 313         mdio_pins: pinmux_mdio {
 314                 pinctrl-single,pins = <
 315                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
 316                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
 317                 >;
 318         };
 319 };
 320
 321 /* MMC */
 322 &mmc1 {
 323         /* Bootable SD card slot */
 324         status = "okay";
 325         vmmc-supply = <&ldo3_reg>;
 326         bus-width = <4>;
 327         pinctrl-names = "default";
 328         pinctrl-0 = <&sd_pins>;
 329         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 330 };
 331
 332 &mmc2 {
 333         /* eMMC (not populated) on MMC #2 */
 334         status = "disabled";
 335         pinctrl-names = "default";
 336         pinctrl-0 = <&emmc_pins>;
 337         vmmc-supply = <&ldo3_reg>;
 338         bus-width = <8>;
 339         ti,non-removable;
 340 };
 341
 342 &mmc3 {
 343         /* Wifi & Bluetooth on MMC #3 */
 344         status = "okay";
 345         pinctrl-names = "default";
 346         pinctrl-0 = <&wireless_pins>;
 347         vmmmc-supply = <&v3v3c_reg>;
 348         bus-width = <4>;
 349         ti,non-removable;
 350         dmas = <&edma_xbar 12 0 1
 351                 &edma_xbar 13 0 2>;
 352         dma-names = "tx", "rx";
 353 };
 354
 355
 356 &am33xx_pinmux {
 357         sd_pins: pinmux_sd_card {
 358                 pinctrl-single,pins = <
 359                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_dat0.mmc0_dat0 */
 360                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_dat1.mmc0_dat1 */
 361                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_dat2.mmc0_dat2 */
 362                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_dat3.mmc0_dat3 */
 363                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_clk.mmc0_clk */
 364                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_cmd.mmc0_cmd */
 365                         AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)              /* spi0_cs1.gpio0_6 */
 366                 >;
 367         };
 368         emmc_pins: pinmux_emmc {
 369                 pinctrl-single,pins = <
 370                         AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2)       /* gpmc_csn1.mmc1_clk */
 371                         AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2)       /* gpmc_csn2.mmc1_cmd */
 372                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad0.mmc1_dat0 */
 373                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad1.mmc1_dat1 */
 374                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad2.mmc1_dat2 */
 375                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad3.mmc1_dat3 */
 376                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad4.mmc1_dat4 */
 377                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad5.mmc1_dat5 */
 378                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad6.mmc1_dat6 */
 379                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad7.mmc1_dat7 */
 380                         /* EMMC nReset */
 381                         AM33XX_IOPAD(0x874, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_wpn.gpio0_31 */
 382                 >;
 383         };
 384         wireless_pins: pinmux_wireless {
 385                 pinctrl-single,pins = <
 386                         AM33XX_IOPAD(0x844, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_a1.mmc2_dat0 */
 387                         AM33XX_IOPAD(0x848, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_a2.mmc2_dat1 */
 388                         AM33XX_IOPAD(0x84c, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_a3.mmc2_dat2 */
 389                         AM33XX_IOPAD(0x878, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_ben1.mmc2_dat3 */
 390                         AM33XX_IOPAD(0x888, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_csn3.mmc2_cmd */
 391                         AM33XX_IOPAD(0x88c, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_clk.mmc1_clk */
 392                         /* WLAN nReset */
 393                         AM33XX_IOPAD(0x860, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a8.gpio1_24 */
 394                         /* WLAN nPower down */
 395                         AM33XX_IOPAD(0x870, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_wait0.gpio0_30 */
 396                         /* 32kHz Clock */
 397                         AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr1.clkout2 */
 398                 >;
 399         };
 400 };
 401
 402 /* Power */
 403 &vbat {
 404         regulator-name = "vbat";
 405         regulator-min-microvolt = <5000000>;
 406         regulator-max-microvolt = <5000000>;
 407 };
 408
 409 &v3v3c_reg {
 410         regulator-name = "v3v3c_reg";
 411         regulator-min-microvolt = <3300000>;
 412         regulator-max-microvolt = <3300000>;
 413         vin-supply = <&vbat>;
 414 };
 415
 416 &vdd5_reg {
 417         regulator-name = "vdd5_reg";
 418         regulator-min-microvolt = <5000000>;
 419         regulator-max-microvolt = <5000000>;
 420         vin-supply = <&vbat>;
 421 };
 422
 423 /include/ "tps65217.dtsi"
 424
 425 &tps {
 426         backlight {
 427                 isel = <1>; /* ISET1 */
 428                 fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
 429                 default-brightness = <80>;
 430         };
 431
 432         regulators {
 433                 dcdc1_reg: regulator@0 {
 434                         /* VDD_1V8 system supply */
 435                         regulator-always-on;
 436                 };
 437
 438                 dcdc2_reg: regulator@1 {
 439                         /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
 440                         regulator-name = "vdd_core";
 441                         regulator-min-microvolt = <925000>;
 442                         regulator-max-microvolt = <1150000>;
 443                         regulator-boot-on;
 444                         regulator-always-on;
 445                 };
 446
 447                 dcdc3_reg: regulator@2 {
 448                         /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
 449                         regulator-name = "vdd_mpu";
 450                         regulator-min-microvolt = <925000>;
 451                         regulator-max-microvolt = <1325000>;
 452                         regulator-boot-on;
 453                         regulator-always-on;
 454                 };
 455
 456                 ldo1_reg: regulator@3 {
 457                         /* VRTC 1.8V always-on supply */
 458                         regulator-name = "vrtc,vdds";
 459                         regulator-always-on;
 460                 };
 461
 462                 ldo2_reg: regulator@4 {
 463                         /* 3.3V rail */
 464                         regulator-name = "vdd_3v3aux";
 465                         regulator-always-on;
 466                 };
 467
 468                 ldo3_reg: regulator@5 {
 469                         /* VDD_3V3A 3.3V rail */
 470                         regulator-name = "vdd_3v3a";
 471                         regulator-min-microvolt = <3300000>;
 472                         regulator-max-microvolt = <3300000>;
 473                 };
 474
 475                 ldo4_reg: regulator@6 {
 476                         /* VDD_3V3B 3.3V rail */
 477                         regulator-name = "vdd_3v3b";
 478                         regulator-always-on;
 479                 };
 480         };
 481 };
 482
 483 /* SPI Busses */
 484 &spi0 {
 485         status = "okay";
 486         pinctrl-names = "default";
 487         pinctrl-0 = <&spi0_pins>;
 488 };
 489
 490 &am33xx_pinmux {
 491         spi0_pins: pinmux_spi0 {
 492                 pinctrl-single,pins = <
 493                         AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */
 494                         AM33XX_IOPAD(0x95C, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
 495                         AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */
 496                         AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d1.spi0_d1 */
 497                 >;
 498         };
 499 };
 500
 501 /* Touch Screen */
 502 &tscadc {
 503         status = "okay";
 504         tsc {
 505                 ti,wires = <4>;
 506                 ti,x-plate-resistance = <200>;
 507                 ti,coordinate-readouts = <5>;
 508                 ti,wire-config = <0x00 0x11 0x22 0x33>;
 509         };
 510
 511         adc {
 512                 ti,adc-channels = <4 5 6 7>;
 513         };
 514 };
 515
 516 /* UARTs */
 517 &uart0 {
 518         /* Serial Console */
 519         status = "okay";
 520         pinctrl-names = "default";
 521         pinctrl-0 = <&uart0_pins>;
 522 };
 523
 524 &uart1 {
 525         /* Broken out to J6 header */
 526         status = "okay";
 527         pinctrl-names = "default";
 528         pinctrl-0 = <&uart1_pins>;
 529 };
 530
 531 &am33xx_pinmux {
 532         uart0_pins: pinmux_uart0 {
 533                 pinctrl-single,pins = <
 534                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
 535                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
 536                 >;
 537         };
 538         uart1_pins: pinmux_uart1 {
 539                 pinctrl-single,pins = <
 540                         AM33XX_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart1_ctsn.uart1_ctsn */
 541                         AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart1_rtsn.uart1_rtsn */
 542                         AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart1_rxd.uart1_rxd */
 543                         AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart1_txd.uart1_txd */
 544                 >;
 545         };
 546 };
 547
 548 /* USB */
 549 &usb {
 550         status = "okay";
 551
 552         pinctrl-names = "default";
 553         pinctrl-0 = <&usb_pins>;
 554 };
 555
 556 &usb_ctrl_mod {
 557         status = "okay";
 558 };
 559
 560 &usb0_phy {
 561         status = "okay";
 562 };
 563
 564 &usb1_phy {
 565         status = "okay";
 566 };
 567
 568 &usb0 {
 569         status = "okay";
 570         dr_mode = "host";
 571 };
 572
 573 &usb1 {
 574         status = "okay";
 575         dr_mode = "host";
 576 };
 577
 578 &cppi41dma {
 579         status = "okay";
 580 };
 581
 582 &am33xx_pinmux {
 583         usb_pins: pinmux_usb {
 584                 pinctrl-single,pins = <
 585                         /* USB0 Over-Current (active low) */
 586                         AM33XX_IOPAD(0x864, PIN_INPUT | MUX_MODE7)      /* gpmc_a9.gpio1_25 */
 587                         /* USB1 Over-Current (active low) */
 588                         AM33XX_IOPAD(0x868, PIN_INPUT | MUX_MODE7)      /* gpmc_a10.gpio1_26 */
 589                 >;
 590         };
 591 };
 592
 593 /* User IO */
 594 &leds {
 595         pinctrl-names = "default";
 596         pinctrl-0 = <&user_leds_pins>;
 597
 598         led0 {
 599                 label = "pepper:user0:blue";
 600                 gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
 601                 linux,default-trigger = "none";
 602                 default-state = "off";
 603         };
 604
 605         led1 {
 606                 label = "pepper:user1:red";
 607                 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
 608                 linux,default-trigger = "none";
 609                 default-state = "off";
 610         };
 611 };
 612
 613 &buttons {
 614         pinctrl-names = "default";
 615         pinctrl-0 = <&user_buttons_pins>;
 616         #address-cells = <1>;
 617         #size-cells = <0>;
 618
 619         button0 {
 620                 label = "home";
 621                 linux,code = <KEY_HOME>;
 622                 gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
 623                 wakeup-source;
 624         };
 625
 626         button1 {
 627                 label = "menu";
 628                 linux,code = <KEY_MENU>;
 629                 gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
 630                 wakeup-source;
 631         };
 632
 633         buttons2 {
 634                 label = "power";
 635                 linux,code = <KEY_POWER>;
 636                 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
 637                 wakeup-source;
 638         };
 639 };
 640
 641 &am33xx_pinmux {
 642         user_leds_pins: pinmux_user_leds {
 643                 pinctrl-single,pins = <
 644                         AM33XX_IOPAD(0x850, PIN_OUTPUT | MUX_MODE7)     /* gpmc_a4.gpio1_20 */
 645                         AM33XX_IOPAD(0x854, PIN_OUTPUT | MUX_MODE7)     /* gpmc_a5.gpio1_21 */
 646                 >;
 647         };
 648
 649         user_buttons_pins: pinmux_user_buttons {
 650                 pinctrl-single,pins = <
 651                         AM33XX_IOPAD(0x858, PIN_INPUT_PULLUP | MUX_MODE7)       /* gpmc_a6.gpio1_22 */
 652                         AM33XX_IOPAD(0x85C, PIN_INPUT_PULLUP | MUX_MODE7)       /* gpmc_a7.gpio1_21 */
 653                         AM33XX_IOPAD(0x964, PIN_INPUT_PULLUP | MUX_MODE7)       /* gpmc_a8.gpio0_7 */
 654                 >;
 655         };
 656 };