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 = <ðphy0>; 266 phy-mode = "rgmii"; 267}; 268 269&cpsw_emac1 { 270 status = "okay"; 271 phy-handle = <ðphy1>; 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 = <ðernet_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 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 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}; 642