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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2014 Gumstix, Inc. - https://www.gumstix.com/
   4  */
   5 /dts-v1/;
   6
   7 #include <dt-bindings/input/input.h>
   8 #include "am33xx.dtsi"
   9
  10 / {
  11         model = "Gumstix Pepper";
  12         compatible = "gumstix,am335x-pepper", "ti,am33xx";
  13
  14         cpus {
  15                 cpu@0 {
  16                         cpu0-supply = <&dcdc3_reg>;
  17                 };
  18         };
  19
  20         memory@80000000 {
  21                 device_type = "memory";
  22                 reg = <0x80000000 0x20000000>; /* 512 MB */
  23         };
  24
  25         buttons: user_buttons {
  26                 compatible = "gpio-keys";
  27         };
  28
  29         leds: user_leds {
  30                 compatible = "gpio-leds";
  31         };
  32
  33         panel: lcd_panel {
  34                 compatible = "ti,tilcdc,panel";
  35         };
  36
  37         sound: sound_iface {
  38                 compatible = "ti,da830-evm-audio";
  39         };
  40
  41         vbat: fixedregulator0 {
  42                 compatible = "regulator-fixed";
  43         };
  44
  45         v3v3c_reg: fixedregulator1 {
  46                 compatible = "regulator-fixed";
  47         };
  48
  49         vdd5_reg: fixedregulator2 {
  50                 compatible = "regulator-fixed";
  51         };
  52 };
  53
  54 /* I2C Busses */
  55 &i2c0 {
  56         status = "okay";
  57         pinctrl-names = "default";
  58         pinctrl-0 = <&i2c0_pins>;
  59
  60         clock-frequency = <400000>;
  61
  62         tps: tps@24 {
  63                 reg = <0x24>;
  64         };
  65
  66         eeprom: eeprom@50 {
  67                 compatible = "atmel,24c256";
  68                 reg = <0x50>;
  69         };
  70
  71         audio_codec: tlv320aic3106@1b {
  72                 compatible = "ti,tlv320aic3106";
  73                 reg = <0x1b>;
  74                 ai3x-micbias-vg = <0x2>;
  75         };
  76
  77         accel: lis331dlh@1d {
  78                 compatible = "st,lis3lv02d";
  79                 reg = <0x1d>;
  80         };
  81 };
  82
  83 &i2c1 {
  84         status = "okay";
  85         pinctrl-names = "default";
  86         pinctrl-0 = <&i2c1_pins>;
  87         clock-frequency = <400000>;
  88 };
  89
  90 &am33xx_pinmux {
  91         i2c0_pins: pinmux_i2c0 {
  92                 pinctrl-single,pins = <
  93                         AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
  94                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
  95                 >;
  96         };
  97         i2c1_pins: pinmux_i2c1 {
  98                 pinctrl-single,pins = <
  99                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLUP, MUX_MODE3)        /* mii1_crs,i2c1_sda */
 100                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE3)      /* mii1_rxerr,i2c1_scl */
 101                 >;
 102         };
 103 };
 104
 105 /* Accelerometer */
 106 &accel {
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&accel_pins>;
 109
 110         Vdd-supply = <&ldo3_reg>;
 111         Vdd_IO-supply = <&ldo3_reg>;
 112         st,irq1-click;
 113         st,wakeup-x-lo;
 114         st,wakeup-x-hi;
 115         st,wakeup-y-lo;
 116         st,wakeup-y-hi;
 117         st,wakeup-z-lo;
 118         st,wakeup-z-hi;
 119         st,min-limit-x = <92>;
 120         st,max-limit-x = <14>;
 121         st,min-limit-y = <14>;
 122         st,max-limit-y = <92>;
 123         st,min-limit-z = <92>;
 124         st,max-limit-z = <14>;
 125 };
 126
 127 &am33xx_pinmux {
 128         accel_pins: pinmux_accel {
 129                 pinctrl-single,pins = <
 130                         AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_INPUT, MUX_MODE7)   /* gpmc_wen.gpio2_4 */
 131                 >;
 132         };
 133 };
 134
 135 /* Audio */
 136 &audio_codec {
 137         status = "okay";
 138
 139         reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
 140         AVDD-supply = <&ldo3_reg>;
 141         IOVDD-supply = <&ldo3_reg>;
 142         DRVDD-supply = <&ldo3_reg>;
 143         DVDD-supply = <&dcdc1_reg>;
 144 };
 145
 146 &sound {
 147         ti,model = "AM335x-EVM";
 148         ti,audio-codec = <&audio_codec>;
 149         ti,mcasp-controller = <&mcasp0>;
 150         ti,codec-clock-rate = <12000000>;
 151         ti,audio-routing =
 152                 "Headphone Jack",       "HPLOUT",
 153                 "Headphone Jack",       "HPROUT",
 154                 "MIC3L",                "Mic3L Switch";
 155 };
 156
 157 &mcasp0 {
 158         status = "okay";
 159         pinctrl-names = "default";
 160         pinctrl-0 = <&audio_pins>;
 161
 162         op-mode = <0>;  /* MCASP_ISS_MODE */
 163         tdm-slots = <2>;
 164         serial-dir = <
 165                 1 2 0 0
 166                 0 0 0 0
 167                 0 0 0 0
 168                 0 0 0 0
 169         >;
 170         tx-num-evt = <1>;
 171         rx-num-evt = <1>;
 172 };
 173
 174 &am33xx_pinmux {
 175         audio_pins: pinmux_audio {
 176                 pinctrl-single,pins = <
 177                         AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 178                         AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 179                         AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
 180                         AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT_PULLDOWN, MUX_MODE0)
 181                         AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_INPUT_PULLDOWN, MUX_MODE0)
 182                         AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT, MUX_MODE7)       /* gpmc_a0.gpio1_16 */
 183                 >;
 184         };
 185 };
 186
 187 /* Display: 24-bit LCD Screen */
 188 &panel {
 189         status = "okay";
 190         pinctrl-names = "default";
 191         pinctrl-0 = <&lcd_pins>;
 192         panel-info {
 193                 ac-bias = <255>;
 194                 ac-bias-intrpt = <0>;
 195                 dma-burst-sz = <16>;
 196                 bpp = <32>;
 197                 fdd = <0x80>;
 198                 sync-edge = <0>;
 199                 sync-ctrl = <1>;
 200                 raster-order = <0>;
 201                 fifo-th = <0>;
 202         };
 203         display-timings {
 204                 native-mode = <&timing0>;
 205                 timing0: 480x272 {
 206                         clock-frequency = <18400000>;
 207                         hactive = <480>;
 208                         vactive = <272>;
 209                         hfront-porch = <8>;
 210                         hback-porch = <4>;
 211                         hsync-len = <41>;
 212                         vfront-porch = <4>;
 213                         vback-porch = <2>;
 214                         vsync-len = <10>;
 215                         hsync-active = <1>;
 216                         vsync-active = <1>;
 217                 };
 218         };
 219 };
 220
 221 &lcdc {
 222         status = "okay";
 223 };
 224
 225 &am33xx_pinmux {
 226         lcd_pins: pinmux_lcd {
 227                 pinctrl-single,pins = <
 228                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
 229                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
 230                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
 231                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
 232                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
 233                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
 234                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
 235                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
 236                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
 237                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
 238                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
 239                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
 240                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
 241                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
 242                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
 243                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
 244                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)      /* gpmc_ad8.lcd_data16 */
 245                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)      /* gpmc_ad9.lcd_data17 */
 246                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad10.lcd_data18 */
 247                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad11.lcd_data19 */
 248                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad12.lcd_data20 */
 249                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad13.lcd_data21 */
 250                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad14.lcd_data22 */
 251                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)     /* gpmc_ad15.lcd_data23 */
 252                         AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
 253                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
 254                         AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
 255                         AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
 256                         /* Display Enable */
 257                         AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* gpmc_a11.gpio1_27 */
 258                 >;
 259         };
 260 };
 261
 262 /* Ethernet */
 263 &cpsw_emac0 {
 264         status = "okay";
 265         phy-handle = <&ethphy0>;
 266         phy-mode = "rgmii";
 267 };
 268
 269 &cpsw_emac1 {
 270         status = "okay";
 271         phy-handle = <&ethphy1>;
 272         phy-mode = "rgmii";
 273 };
 274
 275 &davinci_mdio {
 276         status = "okay";
 277         pinctrl-names = "default";
 278         pinctrl-0 = <&mdio_pins>;
 279
 280         ethphy0: ethernet-phy@0 {
 281                 reg = <0>;
 282         };
 283
 284         ethphy1: ethernet-phy@1 {
 285                 reg = <1>;
 286         };
 287 };
 288
 289 &mac {
 290         status = "okay";
 291         pinctrl-names = "default";
 292         pinctrl-0 = <&ethernet_pins>;
 293 };
 294
 295
 296 &am33xx_pinmux {
 297         ethernet_pins: pinmux_ethernet {
 298                 pinctrl-single,pins = <
 299                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2)   /* mii1_txen.rgmii1_tctl */
 300                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE2)      /* mii1_rxdv.rgmii1_rctl */
 301                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd3.rgmii1_td3 */
 302                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd2.rgmii1_td2 */
 303                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
 304                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
 305                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
 306                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
 307                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE2)
 308                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLUP, MUX_MODE2)
 309                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE2)
 310                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE2)
 311                         /* ethernet interrupt */
 312                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLUP, MUX_MODE7)   /* rmii2_refclk.gpio0_29 */
 313                         /* ethernet PHY nReset */
 314                         AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* mii1_col.gpio3_0 */
 315                 >;
 316         };
 317
 318         mdio_pins: pinmux_mdio {
 319                 pinctrl-single,pins = <
 320                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
 321                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
 322                 >;
 323         };
 324 };
 325
 326 /* MMC */
 327 &mmc1 {
 328         /* Bootable SD card slot */
 329         status = "okay";
 330         vmmc-supply = <&ldo3_reg>;
 331         bus-width = <4>;
 332         pinctrl-names = "default";
 333         pinctrl-0 = <&sd_pins>;
 334         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 335 };
 336
 337 &mmc2 {
 338         /* eMMC (not populated) on MMC #2 */
 339         status = "disabled";
 340         pinctrl-names = "default";
 341         pinctrl-0 = <&emmc_pins>;
 342         vmmc-supply = <&ldo3_reg>;
 343         bus-width = <8>;
 344         ti,non-removable;
 345 };
 346
 347 &mmc3 {
 348         /* Wifi & Bluetooth on MMC #3 */
 349         status = "okay";
 350         pinctrl-names = "default";
 351         pinctrl-0 = <&wireless_pins>;
 352         vmmmc-supply = <&v3v3c_reg>;
 353         bus-width = <4>;
 354         ti,non-removable;
 355         dmas = <&edma_xbar 12 0 1
 356                 &edma_xbar 13 0 2>;
 357         dma-names = "tx", "rx";
 358 };
 359
 360
 361 &am33xx_pinmux {
 362         sd_pins: pinmux_sd_card {
 363                 pinctrl-single,pins = <
 364                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
 365                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
 366                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
 367                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
 368                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
 369                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
 370                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7)               /* spi0_cs1.gpio0_6 */
 371                 >;
 372         };
 373         emmc_pins: pinmux_emmc {
 374                 pinctrl-single,pins = <
 375                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn1.mmc1_clk */
 376                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn2.mmc1_cmd */
 377                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad0.mmc1_dat0 */
 378                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad1.mmc1_dat1 */
 379                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad2.mmc1_dat2 */
 380                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad3.mmc1_dat3 */
 381                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad4.mmc1_dat4 */
 382                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad5.mmc1_dat5 */
 383                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad6.mmc1_dat6 */
 384                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad7.mmc1_dat7 */
 385                         /* EMMC nReset */
 386                         AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLUP, MUX_MODE7)       /* gpmc_wpn.gpio0_31 */
 387                 >;
 388         };
 389         wireless_pins: pinmux_wireless {
 390                 pinctrl-single,pins = <
 391                         AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a1.mmc2_dat0 */
 392                         AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a2.mmc2_dat1 */
 393                         AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a3.mmc2_dat2 */
 394                         AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLUP, MUX_MODE3)       /* gpmc_ben1.mmc2_dat3 */
 395                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3)       /* gpmc_csn3.mmc2_cmd */
 396                         AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3)        /* gpmc_clk.mmc1_clk */
 397                         /* WLAN nReset */
 398                         AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT_PULLUP, MUX_MODE7)        /* gpmc_a8.gpio1_24 */
 399                         /* WLAN nPower down */
 400                         AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_OUTPUT_PULLUP, MUX_MODE7)     /* gpmc_wait0.gpio0_30 */
 401                         /* 32kHz Clock */
 402                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT_PULLDOWN, MUX_MODE3)     /* xdma_event_intr1.clkout2 */
 403                 >;
 404         };
 405 };
 406
 407 /* Power */
 408 &vbat {
 409         regulator-name = "vbat";
 410         regulator-min-microvolt = <5000000>;
 411         regulator-max-microvolt = <5000000>;
 412 };
 413
 414 &v3v3c_reg {
 415         regulator-name = "v3v3c_reg";
 416         regulator-min-microvolt = <3300000>;
 417         regulator-max-microvolt = <3300000>;
 418         vin-supply = <&vbat>;
 419 };
 420
 421 &vdd5_reg {
 422         regulator-name = "vdd5_reg";
 423         regulator-min-microvolt = <5000000>;
 424         regulator-max-microvolt = <5000000>;
 425         vin-supply = <&vbat>;
 426 };
 427
 428 /include/ "tps65217.dtsi"
 429
 430 &tps {
 431         backlight {
 432                 isel = <1>; /* ISET1 */
 433                 fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
 434                 default-brightness = <80>;
 435         };
 436
 437         regulators {
 438                 dcdc1_reg: regulator@0 {
 439                         /* VDD_1V8 system supply */
 440                         regulator-always-on;
 441                 };
 442
 443                 dcdc2_reg: regulator@1 {
 444                         /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
 445                         regulator-name = "vdd_core";
 446                         regulator-min-microvolt = <925000>;
 447                         regulator-max-microvolt = <1150000>;
 448                         regulator-boot-on;
 449                         regulator-always-on;
 450                 };
 451
 452                 dcdc3_reg: regulator@2 {
 453                         /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
 454                         regulator-name = "vdd_mpu";
 455                         regulator-min-microvolt = <925000>;
 456                         regulator-max-microvolt = <1325000>;
 457                         regulator-boot-on;
 458                         regulator-always-on;
 459                 };
 460
 461                 ldo1_reg: regulator@3 {
 462                         /* VRTC 1.8V always-on supply */
 463                         regulator-name = "vrtc,vdds";
 464                         regulator-always-on;
 465                 };
 466
 467                 ldo2_reg: regulator@4 {
 468                         /* 3.3V rail */
 469                         regulator-name = "vdd_3v3aux";
 470                         regulator-always-on;
 471                 };
 472
 473                 ldo3_reg: regulator@5 {
 474                         /* VDD_3V3A 3.3V rail */
 475                         regulator-name = "vdd_3v3a";
 476                         regulator-min-microvolt = <3300000>;
 477                         regulator-max-microvolt = <3300000>;
 478                 };
 479
 480                 ldo4_reg: regulator@6 {
 481                         /* VDD_3V3B 3.3V rail */
 482                         regulator-name = "vdd_3v3b";
 483                         regulator-always-on;
 484                 };
 485         };
 486 };
 487
 488 /* SPI Busses */
 489 &spi0 {
 490         status = "okay";
 491         pinctrl-names = "default";
 492         pinctrl-0 = <&spi0_pins>;
 493 };
 494
 495 &am33xx_pinmux {
 496         spi0_pins: pinmux_spi0 {
 497                 pinctrl-single,pins = <
 498                         AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
 499                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
 500                         AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
 501                         AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
 502                 >;
 503         };
 504 };
 505
 506 /* Touch Screen */
 507 &tscadc {
 508         status = "okay";
 509         tsc {
 510                 ti,wires = <4>;
 511                 ti,x-plate-resistance = <200>;
 512                 ti,coordinate-readouts = <5>;
 513                 ti,wire-config = <0x00 0x11 0x22 0x33>;
 514         };
 515
 516         adc {
 517                 ti,adc-channels = <4 5 6 7>;
 518         };
 519 };
 520
 521 /* UARTs */
 522 &uart0 {
 523         /* Serial Console */
 524         status = "okay";
 525         pinctrl-names = "default";
 526         pinctrl-0 = <&uart0_pins>;
 527 };
 528
 529 &uart1 {
 530         /* Broken out to J6 header */
 531         status = "okay";
 532         pinctrl-names = "default";
 533         pinctrl-0 = <&uart1_pins>;
 534 };
 535
 536 &am33xx_pinmux {
 537         uart0_pins: pinmux_uart0 {
 538                 pinctrl-single,pins = <
 539                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 540                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 541                 >;
 542         };
 543         uart1_pins: pinmux_uart1 {
 544                 pinctrl-single,pins = <
 545                         AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE0)
 546                         AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 547                         AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 548                         AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 549                 >;
 550         };
 551 };
 552
 553 /* USB */
 554 &usb {
 555         pinctrl-names = "default";
 556         pinctrl-0 = <&usb_pins>;
 557 };
 558
 559 &usb0 {
 560         dr_mode = "host";
 561 };
 562
 563 &usb1 {
 564         dr_mode = "host";
 565 };
 566
 567 &am33xx_pinmux {
 568         usb_pins: pinmux_usb {
 569                 pinctrl-single,pins = <
 570                         /* USB0 Over-Current (active low) */
 571                         AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT, MUX_MODE7)        /* gpmc_a9.gpio1_25 */
 572                         /* USB1 Over-Current (active low) */
 573                         AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT, MUX_MODE7)       /* gpmc_a10.gpio1_26 */
 574                 >;
 575         };
 576 };
 577
 578 /* User IO */
 579 &leds {
 580         pinctrl-names = "default";
 581         pinctrl-0 = <&user_leds_pins>;
 582
 583         led0 {
 584                 label = "pepper:user0:blue";
 585                 gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
 586                 linux,default-trigger = "none";
 587                 default-state = "off";
 588         };
 589
 590         led1 {
 591                 label = "pepper:user1:red";
 592                 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
 593                 linux,default-trigger = "none";
 594                 default-state = "off";
 595         };
 596 };
 597
 598 &buttons {
 599         pinctrl-names = "default";
 600         pinctrl-0 = <&user_buttons_pins>;
 601         #address-cells = <1>;
 602         #size-cells = <0>;
 603
 604         button0 {
 605                 label = "home";
 606                 linux,code = <KEY_HOME>;
 607                 gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
 608                 wakeup-source;
 609         };
 610
 611         button1 {
 612                 label = "menu";
 613                 linux,code = <KEY_MENU>;
 614                 gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
 615                 wakeup-source;
 616         };
 617
 618         buttons2 {
 619                 label = "power";
 620                 linux,code = <KEY_POWER>;
 621                 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
 622                 wakeup-source;
 623         };
 624 };
 625
 626 &am33xx_pinmux {
 627         user_leds_pins: pinmux_user_leds {
 628                 pinctrl-single,pins = <
 629                         AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE7)       /* gpmc_a4.gpio1_20 */
 630                         AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7)       /* gpmc_a5.gpio1_21 */
 631                 >;
 632         };
 633
 634         user_buttons_pins: pinmux_user_buttons {
 635                 pinctrl-single,pins = <
 636                         AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a6.gpio1_22 */
 637                         AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a7.gpio1_21 */
 638                         AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE7)       /* gpmc_a8.gpio0_7 */
 639                 >;
 640         };
 641 };