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 = "atmel,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_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
  97                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
  98                 >;
  99         };
 100         i2c1_pins: pinmux_i2c1 {
 101                 pinctrl-single,pins = <
 102                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLUP, MUX_MODE3)        /* mii1_crs,i2c1_sda */
 103                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, 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_PADCONF(AM335X_PIN_GPMC_WEN, PIN_INPUT, MUX_MODE7)   /* gpmc_wen.gpio2_4 */
 134                 >;
 135         };
 136 };
 137
 138 /* Audio */
 139 &audio_codec {
 140         status = "okay";
 141
 142         reset-gpios = <&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_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 181                         AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 182                         AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 183                         AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT_PULLDOWN, MUX_MODE0)
 184                         AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_INPUT_PULLDOWN, MUX_MODE0)
 185                         AM33XX_PADCONF(AM335X_PIN_GPMC_A0, 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_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
 232                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
 233                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
 234                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
 235                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
 236                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
 237                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
 238                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
 239                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
 240                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
 241                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
 242                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
 243                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
 244                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
 245                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
 246                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
 247                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)      /* gpmc_ad8.lcd_data16 */
 248                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)      /* gpmc_ad9.lcd_data17 */
 249                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad10.lcd_data18 */
 250                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad11.lcd_data19 */
 251                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad12.lcd_data20 */
 252                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad13.lcd_data21 */
 253                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad14.lcd_data22 */
 254                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad15.lcd_data23 */
 255                         AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
 256                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
 257                         AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
 258                         AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
 259                         /* Display Enable */
 260                         AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* gpmc_a11.gpio1_27 */
 261                 >;
 262         };
 263 };
 264
 265 /* Ethernet */
 266 &cpsw_emac0 {
 267         status = "okay";
 268         phy-handle = <&ethphy0>;
 269         phy-mode = "rgmii";
 270 };
 271
 272 &cpsw_emac1 {
 273         status = "okay";
 274         phy-handle = <&ethphy1>;
 275         phy-mode = "rgmii";
 276 };
 277
 278 &davinci_mdio {
 279         status = "okay";
 280         pinctrl-names = "default";
 281         pinctrl-0 = <&mdio_pins>;
 282
 283         ethphy0: ethernet-phy@0 {
 284                 reg = <0>;
 285         };
 286
 287         ethphy1: ethernet-phy@1 {
 288                 reg = <1>;
 289         };
 290 };
 291
 292 &mac {
 293         status = "okay";
 294         pinctrl-names = "default";
 295         pinctrl-0 = <&ethernet_pins>;
 296 };
 297
 298
 299 &am33xx_pinmux {
 300         ethernet_pins: pinmux_ethernet {
 301                 pinctrl-single,pins = <
 302                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2)   /* mii1_txen.rgmii1_tctl */
 303                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE2)      /* mii1_rxdv.rgmii1_rctl */
 304                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd3.rgmii1_td3 */
 305                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd2.rgmii1_td2 */
 306                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
 307                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
 308                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
 309                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
 310                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE2)
 311                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLUP, MUX_MODE2)
 312                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE2)
 313                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE2)
 314                         /* ethernet interrupt */
 315                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLUP, MUX_MODE7)   /* rmii2_refclk.gpio0_29 */
 316                         /* ethernet PHY nReset */
 317                         AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* mii1_col.gpio3_0 */
 318                 >;
 319         };
 320
 321         mdio_pins: pinmux_mdio {
 322                 pinctrl-single,pins = <
 323                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
 324                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
 325                 >;
 326         };
 327 };
 328
 329 /* MMC */
 330 &mmc1 {
 331         /* Bootable SD card slot */
 332         status = "okay";
 333         vmmc-supply = <&ldo3_reg>;
 334         bus-width = <4>;
 335         pinctrl-names = "default";
 336         pinctrl-0 = <&sd_pins>;
 337         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 338 };
 339
 340 &mmc2 {
 341         /* eMMC (not populated) on MMC #2 */
 342         status = "disabled";
 343         pinctrl-names = "default";
 344         pinctrl-0 = <&emmc_pins>;
 345         vmmc-supply = <&ldo3_reg>;
 346         bus-width = <8>;
 347         ti,non-removable;
 348 };
 349
 350 &mmc3 {
 351         /* Wifi & Bluetooth on MMC #3 */
 352         status = "okay";
 353         pinctrl-names = "default";
 354         pinctrl-0 = <&wireless_pins>;
 355         vmmmc-supply = <&v3v3c_reg>;
 356         bus-width = <4>;
 357         ti,non-removable;
 358         dmas = <&edma_xbar 12 0 1
 359                 &edma_xbar 13 0 2>;
 360         dma-names = "tx", "rx";
 361 };
 362
 363
 364 &am33xx_pinmux {
 365         sd_pins: pinmux_sd_card {
 366                 pinctrl-single,pins = <
 367                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
 368                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
 369                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
 370                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
 371                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
 372                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
 373                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7)               /* spi0_cs1.gpio0_6 */
 374                 >;
 375         };
 376         emmc_pins: pinmux_emmc {
 377                 pinctrl-single,pins = <
 378                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn1.mmc1_clk */
 379                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn2.mmc1_cmd */
 380                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad0.mmc1_dat0 */
 381                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad1.mmc1_dat1 */
 382                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad2.mmc1_dat2 */
 383                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad3.mmc1_dat3 */
 384                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad4.mmc1_dat4 */
 385                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad5.mmc1_dat5 */
 386                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad6.mmc1_dat6 */
 387                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad7.mmc1_dat7 */
 388                         /* EMMC nReset */
 389                         AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* gpmc_wpn.gpio0_31 */
 390                 >;
 391         };
 392         wireless_pins: pinmux_wireless {
 393                 pinctrl-single,pins = <
 394                         AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a1.mmc2_dat0 */
 395                         AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a2.mmc2_dat1 */
 396                         AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a3.mmc2_dat2 */
 397                         AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLUP, MUX_MODE3)       /* gpmc_ben1.mmc2_dat3 */
 398                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3)       /* gpmc_csn3.mmc2_cmd */
 399                         AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3)        /* gpmc_clk.mmc1_clk */
 400                         /* WLAN nReset */
 401                         AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT_PULLUP, MUX_MODE7)        /* gpmc_a8.gpio1_24 */
 402                         /* WLAN nPower down */
 403                         AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_OUTPUT_PULLUP, MUX_MODE7)     /* gpmc_wait0.gpio0_30 */
 404                         /* 32kHz Clock */
 405                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT_PULLDOWN, MUX_MODE3)     /* xdma_event_intr1.clkout2 */
 406                 >;
 407         };
 408 };
 409
 410 /* Power */
 411 &vbat {
 412         regulator-name = "vbat";
 413         regulator-min-microvolt = <5000000>;
 414         regulator-max-microvolt = <5000000>;
 415 };
 416
 417 &v3v3c_reg {
 418         regulator-name = "v3v3c_reg";
 419         regulator-min-microvolt = <3300000>;
 420         regulator-max-microvolt = <3300000>;
 421         vin-supply = <&vbat>;
 422 };
 423
 424 &vdd5_reg {
 425         regulator-name = "vdd5_reg";
 426         regulator-min-microvolt = <5000000>;
 427         regulator-max-microvolt = <5000000>;
 428         vin-supply = <&vbat>;
 429 };
 430
 431 /include/ "tps65217.dtsi"
 432
 433 &tps {
 434         backlight {
 435                 isel = <1>; /* ISET1 */
 436                 fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
 437                 default-brightness = <80>;
 438         };
 439
 440         regulators {
 441                 dcdc1_reg: regulator@0 {
 442                         /* VDD_1V8 system supply */
 443                         regulator-always-on;
 444                 };
 445
 446                 dcdc2_reg: regulator@1 {
 447                         /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
 448                         regulator-name = "vdd_core";
 449                         regulator-min-microvolt = <925000>;
 450                         regulator-max-microvolt = <1150000>;
 451                         regulator-boot-on;
 452                         regulator-always-on;
 453                 };
 454
 455                 dcdc3_reg: regulator@2 {
 456                         /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
 457                         regulator-name = "vdd_mpu";
 458                         regulator-min-microvolt = <925000>;
 459                         regulator-max-microvolt = <1325000>;
 460                         regulator-boot-on;
 461                         regulator-always-on;
 462                 };
 463
 464                 ldo1_reg: regulator@3 {
 465                         /* VRTC 1.8V always-on supply */
 466                         regulator-name = "vrtc,vdds";
 467                         regulator-always-on;
 468                 };
 469
 470                 ldo2_reg: regulator@4 {
 471                         /* 3.3V rail */
 472                         regulator-name = "vdd_3v3aux";
 473                         regulator-always-on;
 474                 };
 475
 476                 ldo3_reg: regulator@5 {
 477                         /* VDD_3V3A 3.3V rail */
 478                         regulator-name = "vdd_3v3a";
 479                         regulator-min-microvolt = <3300000>;
 480                         regulator-max-microvolt = <3300000>;
 481                 };
 482
 483                 ldo4_reg: regulator@6 {
 484                         /* VDD_3V3B 3.3V rail */
 485                         regulator-name = "vdd_3v3b";
 486                         regulator-always-on;
 487                 };
 488         };
 489 };
 490
 491 /* SPI Busses */
 492 &spi0 {
 493         status = "okay";
 494         pinctrl-names = "default";
 495         pinctrl-0 = <&spi0_pins>;
 496 };
 497
 498 &am33xx_pinmux {
 499         spi0_pins: pinmux_spi0 {
 500                 pinctrl-single,pins = <
 501                         AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
 502                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
 503                         AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
 504                         AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
 505                 >;
 506         };
 507 };
 508
 509 /* Touch Screen */
 510 &tscadc {
 511         status = "okay";
 512         tsc {
 513                 ti,wires = <4>;
 514                 ti,x-plate-resistance = <200>;
 515                 ti,coordinate-readouts = <5>;
 516                 ti,wire-config = <0x00 0x11 0x22 0x33>;
 517         };
 518
 519         adc {
 520                 ti,adc-channels = <4 5 6 7>;
 521         };
 522 };
 523
 524 /* UARTs */
 525 &uart0 {
 526         /* Serial Console */
 527         status = "okay";
 528         pinctrl-names = "default";
 529         pinctrl-0 = <&uart0_pins>;
 530 };
 531
 532 &uart1 {
 533         /* Broken out to J6 header */
 534         status = "okay";
 535         pinctrl-names = "default";
 536         pinctrl-0 = <&uart1_pins>;
 537 };
 538
 539 &am33xx_pinmux {
 540         uart0_pins: pinmux_uart0 {
 541                 pinctrl-single,pins = <
 542                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 543                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 544                 >;
 545         };
 546         uart1_pins: pinmux_uart1 {
 547                 pinctrl-single,pins = <
 548                         AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE0)
 549                         AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 550                         AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 551                         AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 552                 >;
 553         };
 554 };
 555
 556 /* USB */
 557 &usb {
 558         status = "okay";
 559
 560         pinctrl-names = "default";
 561         pinctrl-0 = <&usb_pins>;
 562 };
 563
 564 &usb_ctrl_mod {
 565         status = "okay";
 566 };
 567
 568 &usb0_phy {
 569         status = "okay";
 570 };
 571
 572 &usb1_phy {
 573         status = "okay";
 574 };
 575
 576 &usb0 {
 577         status = "okay";
 578         dr_mode = "host";
 579 };
 580
 581 &usb1 {
 582         status = "okay";
 583         dr_mode = "host";
 584 };
 585
 586 &cppi41dma {
 587         status = "okay";
 588 };
 589
 590 &am33xx_pinmux {
 591         usb_pins: pinmux_usb {
 592                 pinctrl-single,pins = <
 593                         /* USB0 Over-Current (active low) */
 594                         AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT, MUX_MODE7)        /* gpmc_a9.gpio1_25 */
 595                         /* USB1 Over-Current (active low) */
 596                         AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT, MUX_MODE7)       /* gpmc_a10.gpio1_26 */
 597                 >;
 598         };
 599 };
 600
 601 /* User IO */
 602 &leds {
 603         pinctrl-names = "default";
 604         pinctrl-0 = <&user_leds_pins>;
 605
 606         led0 {
 607                 label = "pepper:user0:blue";
 608                 gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
 609                 linux,default-trigger = "none";
 610                 default-state = "off";
 611         };
 612
 613         led1 {
 614                 label = "pepper:user1:red";
 615                 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
 616                 linux,default-trigger = "none";
 617                 default-state = "off";
 618         };
 619 };
 620
 621 &buttons {
 622         pinctrl-names = "default";
 623         pinctrl-0 = <&user_buttons_pins>;
 624         #address-cells = <1>;
 625         #size-cells = <0>;
 626
 627         button0 {
 628                 label = "home";
 629                 linux,code = <KEY_HOME>;
 630                 gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
 631                 wakeup-source;
 632         };
 633
 634         button1 {
 635                 label = "menu";
 636                 linux,code = <KEY_MENU>;
 637                 gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
 638                 wakeup-source;
 639         };
 640
 641         buttons2 {
 642                 label = "power";
 643                 linux,code = <KEY_POWER>;
 644                 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
 645                 wakeup-source;
 646         };
 647 };
 648
 649 &am33xx_pinmux {
 650         user_leds_pins: pinmux_user_leds {
 651                 pinctrl-single,pins = <
 652                         AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE7)       /* gpmc_a4.gpio1_20 */
 653                         AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7)       /* gpmc_a5.gpio1_21 */
 654                 >;
 655         };
 656
 657         user_buttons_pins: pinmux_user_buttons {
 658                 pinctrl-single,pins = <
 659                         AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a6.gpio1_22 */
 660                         AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a7.gpio1_21 */
 661                         AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE7)       /* gpmc_a8.gpio0_7 */
 662                 >;
 663         };
 664 };