0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003 * Copyright (C) 2014 Gumstix, Inc. - https://www.gumstix.com/
0004 */
0005 /dts-v1/;
0006
0007 #include <dt-bindings/input/input.h>
0008 #include "am33xx.dtsi"
0009
0010 / {
0011 model = "Gumstix Pepper";
0012 compatible = "gumstix,am335x-pepper", "ti,am33xx";
0013
0014 cpus {
0015 cpu@0 {
0016 cpu0-supply = <&dcdc3_reg>;
0017 };
0018 };
0019
0020 memory@80000000 {
0021 device_type = "memory";
0022 reg = <0x80000000 0x20000000>; /* 512 MB */
0023 };
0024
0025 buttons: user_buttons {
0026 compatible = "gpio-keys";
0027 };
0028
0029 leds: user_leds {
0030 compatible = "gpio-leds";
0031 };
0032
0033 panel: lcd_panel {
0034 compatible = "ti,tilcdc,panel";
0035 };
0036
0037 sound: sound_iface {
0038 compatible = "ti,da830-evm-audio";
0039 };
0040
0041 vbat: fixedregulator0 {
0042 compatible = "regulator-fixed";
0043 };
0044
0045 v3v3c_reg: fixedregulator1 {
0046 compatible = "regulator-fixed";
0047 };
0048
0049 vdd5_reg: fixedregulator2 {
0050 compatible = "regulator-fixed";
0051 };
0052 };
0053
0054 /* I2C Busses */
0055 &i2c0 {
0056 status = "okay";
0057 pinctrl-names = "default";
0058 pinctrl-0 = <&i2c0_pins>;
0059
0060 clock-frequency = <400000>;
0061
0062 tps: tps@24 {
0063 reg = <0x24>;
0064 };
0065
0066 eeprom: eeprom@50 {
0067 compatible = "atmel,24c256";
0068 reg = <0x50>;
0069 };
0070
0071 audio_codec: tlv320aic3106@1b {
0072 compatible = "ti,tlv320aic3106";
0073 reg = <0x1b>;
0074 ai3x-micbias-vg = <0x2>;
0075 };
0076
0077 accel: lis331dlh@1d {
0078 compatible = "st,lis3lv02d";
0079 reg = <0x1d>;
0080 };
0081 };
0082
0083 &i2c1 {
0084 status = "okay";
0085 pinctrl-names = "default";
0086 pinctrl-0 = <&i2c1_pins>;
0087 clock-frequency = <400000>;
0088 };
0089
0090 &am33xx_pinmux {
0091 i2c0_pins: pinmux_i2c0 {
0092 pinctrl-single,pins = <
0093 AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
0094 AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
0095 >;
0096 };
0097 i2c1_pins: pinmux_i2c1 {
0098 pinctrl-single,pins = <
0099 AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLUP, MUX_MODE3) /* mii1_crs,i2c1_sda */
0100 AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE3) /* mii1_rxerr,i2c1_scl */
0101 >;
0102 };
0103 };
0104
0105 /* Accelerometer */
0106 &accel {
0107 pinctrl-names = "default";
0108 pinctrl-0 = <&accel_pins>;
0109
0110 Vdd-supply = <&ldo3_reg>;
0111 Vdd_IO-supply = <&ldo3_reg>;
0112 st,irq1-click;
0113 st,wakeup-x-lo;
0114 st,wakeup-x-hi;
0115 st,wakeup-y-lo;
0116 st,wakeup-y-hi;
0117 st,wakeup-z-lo;
0118 st,wakeup-z-hi;
0119 st,min-limit-x = <92>;
0120 st,max-limit-x = <14>;
0121 st,min-limit-y = <14>;
0122 st,max-limit-y = <92>;
0123 st,min-limit-z = <92>;
0124 st,max-limit-z = <14>;
0125 };
0126
0127 &am33xx_pinmux {
0128 accel_pins: pinmux_accel {
0129 pinctrl-single,pins = <
0130 AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_INPUT, MUX_MODE7) /* gpmc_wen.gpio2_4 */
0131 >;
0132 };
0133 };
0134
0135 /* Audio */
0136 &audio_codec {
0137 status = "okay";
0138
0139 reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
0140 AVDD-supply = <&ldo3_reg>;
0141 IOVDD-supply = <&ldo3_reg>;
0142 DRVDD-supply = <&ldo3_reg>;
0143 DVDD-supply = <&dcdc1_reg>;
0144 };
0145
0146 &sound {
0147 ti,model = "AM335x-EVM";
0148 ti,audio-codec = <&audio_codec>;
0149 ti,mcasp-controller = <&mcasp0>;
0150 ti,codec-clock-rate = <12000000>;
0151 ti,audio-routing =
0152 "Headphone Jack", "HPLOUT",
0153 "Headphone Jack", "HPROUT",
0154 "MIC3L", "Mic3L Switch";
0155 };
0156
0157 &mcasp0 {
0158 status = "okay";
0159 pinctrl-names = "default";
0160 pinctrl-0 = <&audio_pins>;
0161
0162 op-mode = <0>; /* MCASP_ISS_MODE */
0163 tdm-slots = <2>;
0164 serial-dir = <
0165 1 2 0 0
0166 0 0 0 0
0167 0 0 0 0
0168 0 0 0 0
0169 >;
0170 tx-num-evt = <1>;
0171 rx-num-evt = <1>;
0172 };
0173
0174 &am33xx_pinmux {
0175 audio_pins: pinmux_audio {
0176 pinctrl-single,pins = <
0177 AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
0178 AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_INPUT_PULLDOWN, MUX_MODE0)
0179 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
0180 AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT_PULLDOWN, MUX_MODE0)
0181 AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_INPUT_PULLDOWN, MUX_MODE0)
0182 AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT, MUX_MODE7) /* gpmc_a0.gpio1_16 */
0183 >;
0184 };
0185 };
0186
0187 /* Display: 24-bit LCD Screen */
0188 &panel {
0189 status = "okay";
0190 pinctrl-names = "default";
0191 pinctrl-0 = <&lcd_pins>;
0192 panel-info {
0193 ac-bias = <255>;
0194 ac-bias-intrpt = <0>;
0195 dma-burst-sz = <16>;
0196 bpp = <32>;
0197 fdd = <0x80>;
0198 sync-edge = <0>;
0199 sync-ctrl = <1>;
0200 raster-order = <0>;
0201 fifo-th = <0>;
0202 };
0203 display-timings {
0204 native-mode = <&timing0>;
0205 timing0: 480x272 {
0206 clock-frequency = <18400000>;
0207 hactive = <480>;
0208 vactive = <272>;
0209 hfront-porch = <8>;
0210 hback-porch = <4>;
0211 hsync-len = <41>;
0212 vfront-porch = <4>;
0213 vback-porch = <2>;
0214 vsync-len = <10>;
0215 hsync-active = <1>;
0216 vsync-active = <1>;
0217 };
0218 };
0219 };
0220
0221 &lcdc {
0222 status = "okay";
0223 };
0224
0225 &am33xx_pinmux {
0226 lcd_pins: pinmux_lcd {
0227 pinctrl-single,pins = <
0228 AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
0229 AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
0230 AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
0231 AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
0232 AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
0233 AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
0234 AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
0235 AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
0236 AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
0237 AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
0238 AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
0239 AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
0240 AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
0241 AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
0242 AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
0243 AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
0244 AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad8.lcd_data16 */
0245 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad9.lcd_data17 */
0246 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad10.lcd_data18 */
0247 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad11.lcd_data19 */
0248 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad12.lcd_data20 */
0249 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad13.lcd_data21 */
0250 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad14.lcd_data22 */
0251 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1) /* gpmc_ad15.lcd_data23 */
0252 AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
0253 AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
0254 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
0255 AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
0256 /* Display Enable */
0257 AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_a11.gpio1_27 */
0258 >;
0259 };
0260 };
0261
0262 /* Ethernet */
0263 &cpsw_port1 {
0264 phy-handle = <ðphy0>;
0265 phy-mode = "rgmii";
0266 ti,dual-emac-pvid = <1>;
0267 };
0268
0269 &cpsw_port2 {
0270 phy-handle = <ðphy1>;
0271 phy-mode = "rgmii";
0272 ti,dual-emac-pvid = <2>;
0273 };
0274
0275 &davinci_mdio_sw {
0276 pinctrl-names = "default";
0277 pinctrl-0 = <&mdio_pins>;
0278
0279 ethphy0: ethernet-phy@0 {
0280 reg = <0>;
0281 };
0282
0283 ethphy1: ethernet-phy@1 {
0284 reg = <1>;
0285 };
0286 };
0287
0288 &mac_sw {
0289 status = "okay";
0290 pinctrl-names = "default";
0291 pinctrl-0 = <ðernet_pins>;
0292 };
0293
0294 &am33xx_pinmux {
0295 ethernet_pins: pinmux_ethernet {
0296 pinctrl-single,pins = <
0297 AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txen.rgmii1_tctl */
0298 AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE2) /* mii1_rxdv.rgmii1_rctl */
0299 AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd3.rgmii1_td3 */
0300 AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd2.rgmii1_td2 */
0301 AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd1.rgmii1_td1 */
0302 AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd0.rgmii1_td0 */
0303 AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
0304 AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLUP, MUX_MODE2)
0305 AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE2)
0306 AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLUP, MUX_MODE2)
0307 AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE2)
0308 AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE2)
0309 /* ethernet interrupt */
0310 AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLUP, MUX_MODE7) /* rmii2_refclk.gpio0_29 */
0311 /* ethernet PHY nReset */
0312 AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_OUTPUT_PULLUP, MUX_MODE7) /* mii1_col.gpio3_0 */
0313 >;
0314 };
0315
0316 mdio_pins: pinmux_mdio {
0317 pinctrl-single,pins = <
0318 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
0319 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
0320 >;
0321 };
0322 };
0323
0324 /* MMC */
0325 &mmc1 {
0326 /* Bootable SD card slot */
0327 status = "okay";
0328 vmmc-supply = <&ldo3_reg>;
0329 bus-width = <4>;
0330 pinctrl-names = "default";
0331 pinctrl-0 = <&sd_pins>;
0332 cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
0333 };
0334
0335 &mmc2 {
0336 /* eMMC (not populated) on MMC #2 */
0337 status = "disabled";
0338 pinctrl-names = "default";
0339 pinctrl-0 = <&emmc_pins>;
0340 vmmc-supply = <&ldo3_reg>;
0341 bus-width = <8>;
0342 non-removable;
0343 };
0344
0345 &mmc3 {
0346 /* Wifi & Bluetooth on MMC #3 */
0347 status = "okay";
0348 pinctrl-names = "default";
0349 pinctrl-0 = <&wireless_pins>;
0350 vmmmc-supply = <&v3v3c_reg>;
0351 bus-width = <4>;
0352 non-removable;
0353 dmas = <&edma_xbar 12 0 1
0354 &edma_xbar 13 0 2>;
0355 dma-names = "tx", "rx";
0356 };
0357
0358
0359 &am33xx_pinmux {
0360 sd_pins: pinmux_sd_card {
0361 pinctrl-single,pins = <
0362 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
0363 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
0364 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
0365 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
0366 AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
0367 AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
0368 AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7) /* spi0_cs1.gpio0_6 */
0369 >;
0370 };
0371 emmc_pins: pinmux_emmc {
0372 pinctrl-single,pins = <
0373 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn1.mmc1_clk */
0374 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
0375 AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
0376 AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
0377 AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
0378 AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
0379 AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
0380 AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
0381 AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
0382 AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
0383 /* EMMC nReset */
0384 AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_wpn.gpio0_31 */
0385 >;
0386 };
0387 wireless_pins: pinmux_wireless {
0388 pinctrl-single,pins = <
0389 AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a1.mmc2_dat0 */
0390 AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a2.mmc2_dat1 */
0391 AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_a3.mmc2_dat2 */
0392 AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ben1.mmc2_dat3 */
0393 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_csn3.mmc2_cmd */
0394 AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_clk.mmc1_clk */
0395 /* WLAN nReset */
0396 AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_a8.gpio1_24 */
0397 /* WLAN nPower down */
0398 AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_wait0.gpio0_30 */
0399 /* 32kHz Clock */
0400 AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* xdma_event_intr1.clkout2 */
0401 >;
0402 };
0403 };
0404
0405 /* Power */
0406 &vbat {
0407 regulator-name = "vbat";
0408 regulator-min-microvolt = <5000000>;
0409 regulator-max-microvolt = <5000000>;
0410 };
0411
0412 &v3v3c_reg {
0413 regulator-name = "v3v3c_reg";
0414 regulator-min-microvolt = <3300000>;
0415 regulator-max-microvolt = <3300000>;
0416 vin-supply = <&vbat>;
0417 };
0418
0419 &vdd5_reg {
0420 regulator-name = "vdd5_reg";
0421 regulator-min-microvolt = <5000000>;
0422 regulator-max-microvolt = <5000000>;
0423 vin-supply = <&vbat>;
0424 };
0425
0426 /include/ "tps65217.dtsi"
0427
0428 &tps {
0429 backlight {
0430 isel = <1>; /* ISET1 */
0431 fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
0432 default-brightness = <80>;
0433 };
0434
0435 regulators {
0436 dcdc1_reg: regulator@0 {
0437 /* VDD_1V8 system supply */
0438 regulator-always-on;
0439 };
0440
0441 dcdc2_reg: regulator@1 {
0442 /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
0443 regulator-name = "vdd_core";
0444 regulator-min-microvolt = <925000>;
0445 regulator-max-microvolt = <1150000>;
0446 regulator-boot-on;
0447 regulator-always-on;
0448 };
0449
0450 dcdc3_reg: regulator@2 {
0451 /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
0452 regulator-name = "vdd_mpu";
0453 regulator-min-microvolt = <925000>;
0454 regulator-max-microvolt = <1325000>;
0455 regulator-boot-on;
0456 regulator-always-on;
0457 };
0458
0459 ldo1_reg: regulator@3 {
0460 /* VRTC 1.8V always-on supply */
0461 regulator-name = "vrtc,vdds";
0462 regulator-always-on;
0463 };
0464
0465 ldo2_reg: regulator@4 {
0466 /* 3.3V rail */
0467 regulator-name = "vdd_3v3aux";
0468 regulator-always-on;
0469 };
0470
0471 ldo3_reg: regulator@5 {
0472 /* VDD_3V3A 3.3V rail */
0473 regulator-name = "vdd_3v3a";
0474 regulator-min-microvolt = <3300000>;
0475 regulator-max-microvolt = <3300000>;
0476 };
0477
0478 ldo4_reg: regulator@6 {
0479 /* VDD_3V3B 3.3V rail */
0480 regulator-name = "vdd_3v3b";
0481 regulator-always-on;
0482 };
0483 };
0484 };
0485
0486 /* SPI Busses */
0487 &spi0 {
0488 status = "okay";
0489 pinctrl-names = "default";
0490 pinctrl-0 = <&spi0_pins>;
0491 };
0492
0493 &am33xx_pinmux {
0494 spi0_pins: pinmux_spi0 {
0495 pinctrl-single,pins = <
0496 AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
0497 AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
0498 AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
0499 AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
0500 >;
0501 };
0502 };
0503
0504 /* Touch Screen */
0505 &tscadc {
0506 status = "okay";
0507 tsc {
0508 ti,wires = <4>;
0509 ti,x-plate-resistance = <200>;
0510 ti,coordinate-readouts = <5>;
0511 ti,wire-config = <0x00 0x11 0x22 0x33>;
0512 };
0513
0514 adc {
0515 ti,adc-channels = <4 5 6 7>;
0516 };
0517 };
0518
0519 /* UARTs */
0520 &uart0 {
0521 /* Serial Console */
0522 status = "okay";
0523 pinctrl-names = "default";
0524 pinctrl-0 = <&uart0_pins>;
0525 };
0526
0527 &uart1 {
0528 /* Broken out to J6 header */
0529 status = "okay";
0530 pinctrl-names = "default";
0531 pinctrl-0 = <&uart1_pins>;
0532 };
0533
0534 &am33xx_pinmux {
0535 uart0_pins: pinmux_uart0 {
0536 pinctrl-single,pins = <
0537 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
0538 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
0539 >;
0540 };
0541 uart1_pins: pinmux_uart1 {
0542 pinctrl-single,pins = <
0543 AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE0)
0544 AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
0545 AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
0546 AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
0547 >;
0548 };
0549 };
0550
0551 /* USB */
0552 &usb {
0553 pinctrl-names = "default";
0554 pinctrl-0 = <&usb_pins>;
0555 };
0556
0557 &usb0 {
0558 dr_mode = "host";
0559 };
0560
0561 &usb1 {
0562 dr_mode = "host";
0563 };
0564
0565 &am33xx_pinmux {
0566 usb_pins: pinmux_usb {
0567 pinctrl-single,pins = <
0568 /* USB0 Over-Current (active low) */
0569 AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT, MUX_MODE7) /* gpmc_a9.gpio1_25 */
0570 /* USB1 Over-Current (active low) */
0571 AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT, MUX_MODE7) /* gpmc_a10.gpio1_26 */
0572 >;
0573 };
0574 };
0575
0576 /* User IO */
0577 &leds {
0578 pinctrl-names = "default";
0579 pinctrl-0 = <&user_leds_pins>;
0580
0581 led0 {
0582 label = "pepper:user0:blue";
0583 gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
0584 linux,default-trigger = "none";
0585 default-state = "off";
0586 };
0587
0588 led1 {
0589 label = "pepper:user1:red";
0590 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
0591 linux,default-trigger = "none";
0592 default-state = "off";
0593 };
0594 };
0595
0596 &buttons {
0597 pinctrl-names = "default";
0598 pinctrl-0 = <&user_buttons_pins>;
0599
0600 button-0 {
0601 label = "home";
0602 linux,code = <KEY_HOME>;
0603 gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
0604 wakeup-source;
0605 };
0606
0607 button-1 {
0608 label = "menu";
0609 linux,code = <KEY_MENU>;
0610 gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
0611 wakeup-source;
0612 };
0613
0614 button-2 {
0615 label = "power";
0616 linux,code = <KEY_POWER>;
0617 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
0618 wakeup-source;
0619 };
0620 };
0621
0622 &am33xx_pinmux {
0623 user_leds_pins: pinmux_user_leds {
0624 pinctrl-single,pins = <
0625 AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE7) /* gpmc_a4.gpio1_20 */
0626 AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7) /* gpmc_a5.gpio1_21 */
0627 >;
0628 };
0629
0630 user_buttons_pins: pinmux_user_buttons {
0631 pinctrl-single,pins = <
0632 AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a6.gpio1_22 */
0633 AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a7.gpio1_21 */
0634 AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE7) /* gpmc_a8.gpio0_7 */
0635 >;
0636 };
0637 };
