0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
0004 *
0005 * Author: Robert Nelson <robertcnelson@gmail.com>
0006 */
0007 /dts-v1/;
0008
0009 #include "am33xx.dtsi"
0010 #include "am335x-osd335x-common.dtsi"
0011
0012 / {
0013 model = "TI AM335x PocketBeagle";
0014 compatible = "ti,am335x-pocketbeagle", "ti,am335x-bone", "ti,am33xx";
0015
0016 chosen {
0017 stdout-path = &uart0;
0018 };
0019
0020 leds {
0021 pinctrl-names = "default";
0022 pinctrl-0 = <&usr_leds_pins>;
0023
0024 compatible = "gpio-leds";
0025
0026 usr0 {
0027 label = "beaglebone:green:usr0";
0028 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
0029 linux,default-trigger = "heartbeat";
0030 default-state = "off";
0031 };
0032
0033 usr1 {
0034 label = "beaglebone:green:usr1";
0035 gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
0036 linux,default-trigger = "mmc0";
0037 default-state = "off";
0038 };
0039
0040 usr2 {
0041 label = "beaglebone:green:usr2";
0042 gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
0043 linux,default-trigger = "cpu0";
0044 default-state = "off";
0045 };
0046
0047 usr3 {
0048 label = "beaglebone:green:usr3";
0049 gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
0050 default-state = "off";
0051 };
0052 };
0053
0054 vmmcsd_fixed: fixedregulator0 {
0055 compatible = "regulator-fixed";
0056 regulator-name = "vmmcsd_fixed";
0057 regulator-min-microvolt = <3300000>;
0058 regulator-max-microvolt = <3300000>;
0059 };
0060 };
0061
0062 &gpio0 {
0063 gpio-line-names =
0064 "NC",
0065 "NC",
0066 "P1.08 [SPI0_CLK]",
0067 "P1.10 [SPI0_MISO]",
0068 "P1.12 [SPI0_MOSI]",
0069 "P1.06 [SPI0_CS]",
0070 "[MMC0_CD]",
0071 "P2.29 [SPI1_CLK]",
0072 "[SYSBOOT 12]",
0073 "[SYSBOOT 13]",
0074 "[SYSBOOT 14]",
0075 "[SYSBOOT 15]",
0076 "P1.26 [I2C2_SDA]",
0077 "P1.28 [I2C2_SCL]",
0078 "P2.11 [I2C1_SDA]",
0079 "P2.09 [I2C1_SCL]",
0080 "NC",
0081 "NC",
0082 "NC",
0083 "P2.31 [SPI1_CS]",
0084 "P1.20 [PRU0.16]",
0085 "NC",
0086 "NC",
0087 "P2.03",
0088 "NC",
0089 "NC",
0090 "P1.34",
0091 "P2.19",
0092 "NC",
0093 "NC",
0094 "P2.05 [UART4_RX]",
0095 "P2.07 [UART4_TX]";
0096 };
0097
0098 &gpio1 {
0099 gpio-line-names =
0100 "NC",
0101 "NC",
0102 "NC",
0103 "NC",
0104 "NC",
0105 "NC",
0106 "NC",
0107 "NC",
0108 "NC",
0109 "P2.25 [SPI1_MOSI]",
0110 "P1.32 [UART0_RX]",
0111 "P1.30 [UART0_TX]",
0112 "P2.24",
0113 "P2.33",
0114 "P2.22",
0115 "P2.18",
0116 "NC",
0117 "NC",
0118 "P2.01 [PWM1A]",
0119 "NC",
0120 "P2.10",
0121 "[USR LED 0]",
0122 "[USR LED 1]",
0123 "[USR LED 2]",
0124 "[USR LED 3]",
0125 "P2.06",
0126 "P2.04",
0127 "P2.02",
0128 "P2.08",
0129 "NC",
0130 "NC",
0131 "NC";
0132 };
0133
0134 &gpio2 {
0135 gpio-line-names =
0136 "P2.20",
0137 "P2.17",
0138 "NC",
0139 "NC",
0140 "NC",
0141 "[EEPROM_WP]",
0142 "[SYSBOOT 0]",
0143 "[SYSBOOT 1]",
0144 "[SYSBOOT 2]",
0145 "[SYSBOOT 3]",
0146 "[SYSBOOT 4]",
0147 "[SYSBOOT 5]",
0148 "[SYSBOOT 6]",
0149 "[SYSBOOT 7]",
0150 "[SYSBOOT 8]",
0151 "[SYSBOOT 9]",
0152 "[SYSBOOT 10]",
0153 "[SYSBOOT 11]",
0154 "NC",
0155 "NC",
0156 "NC",
0157 "NC",
0158 "P2.35 [AIN5]",
0159 "P1.02 [AIN6]",
0160 "P1.35 [PRU1.10]",
0161 "P1.04 [PRU1.11]",
0162 "[MMC0_DAT3]",
0163 "[MMC0_DAT2]",
0164 "[MMC0_DAT1]",
0165 "[MMC0_DAT0]",
0166 "[MMC0_CLK]",
0167 "[MMC0_CMD]";
0168 };
0169
0170 &gpio3 {
0171 gpio-line-names =
0172 "NC",
0173 "NC",
0174 "NC",
0175 "NC",
0176 "NC",
0177 "[I2C0_SDA]",
0178 "[I2C0_SCL]",
0179 "[JTAG EMU0]",
0180 "[JTAG EMU1]",
0181 "NC",
0182 "NC",
0183 "NC",
0184 "NC",
0185 "P1.03 [USB1]",
0186 "P1.36 [PWM0A]",
0187 "P1.33 [PRU0.1]",
0188 "P2.32 [PRU0.2]",
0189 "P2.30 [PRU0.3]",
0190 "P1.31 [PRU0.4]",
0191 "P2.34 [PRU0.5]",
0192 "P2.28 [PRU0.6]",
0193 "P1.29 [PRU0.7]",
0194 "NC",
0195 "NC",
0196 "NC",
0197 "NC",
0198 "NC",
0199 "NC",
0200 "NC",
0201 "NC",
0202 "NC",
0203 "NC";
0204 };
0205
0206 &am33xx_pinmux {
0207
0208 compatible = "pinconf-single";
0209 pinctrl-names = "default";
0210
0211 pinctrl-0 = < &P2_03_gpio &P1_34_gpio &P2_19_gpio &P2_24_gpio
0212 &P2_33_gpio &P2_22_gpio &P2_18_gpio &P2_10_gpio
0213 &P2_06_gpio &P2_04_gpio &P2_02_gpio &P2_08_gpio
0214 &P2_17_gpio >;
0215
0216 /* P2_03 (ZCZ ball T10) gpio0_23 0x824 PIN 9 */
0217 P2_03_gpio: pinmux_P2_03_gpio {
0218 pinctrl-single,pins = <
0219 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLUP, MUX_MODE7)
0220 >;
0221 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0222 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0223 };
0224
0225 /* P1_34 (ZCZ ball T11) gpio0_26 0x828 PIN 10 */
0226 P1_34_gpio: pinmux_P1_34_gpio {
0227 pinctrl-single,pins = <
0228 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLUP, MUX_MODE7)
0229 >;
0230 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0231 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0232 };
0233
0234 /* P2_19 (ZCZ ball U12) gpio0_27 0x82c PIN 11 */
0235 P2_19_gpio: pinmux_P2_19_gpio {
0236 pinctrl-single,pins = <
0237 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLUP, MUX_MODE7)
0238 >;
0239 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0240 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0241 };
0242
0243 /* P2_24 (ZCZ ball T12) gpio1_12 0x830 PIN 12 */
0244 P2_24_gpio: pinmux_P2_24_gpio {
0245 pinctrl-single,pins = <
0246 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE7)
0247 >;
0248 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0249 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0250 };
0251
0252 /* P2_33 (ZCZ ball R12) gpio1_13 0x834 PIN 13 */
0253 P2_33_gpio: pinmux_P2_33_gpio {
0254 pinctrl-single,pins = <
0255 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE7)
0256 >;
0257 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0258 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0259 };
0260
0261 /* P2_22 (ZCZ ball V13) gpio1_14 0x838 PIN 14 */
0262 P2_22_gpio: pinmux_P2_22_gpio {
0263 pinctrl-single,pins = <
0264 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE7)
0265 >;
0266 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0267 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0268 };
0269
0270 /* P2_18 (ZCZ ball U13) gpio1_15 0x83c PIN 15 */
0271 P2_18_gpio: pinmux_P2_18_gpio {
0272 pinctrl-single,pins = <
0273 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE7)
0274 >;
0275 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0276 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0277 };
0278
0279 /* P2_10 (ZCZ ball R14) gpio1_20 0x850 PIN 20 */
0280 P2_10_gpio: pinmux_P2_10_gpio {
0281 pinctrl-single,pins = <
0282 AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_INPUT_PULLUP, MUX_MODE7)
0283 >;
0284 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0285 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0286 };
0287
0288 /* P2_06 (ZCZ ball U16) gpio1_25 0x864 PIN 25 */
0289 P2_06_gpio: pinmux_P2_06_gpio {
0290 pinctrl-single,pins = <
0291 AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT_PULLUP, MUX_MODE7)
0292 >;
0293 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0294 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0295 };
0296
0297 /* P2_04 (ZCZ ball T16) gpio1_26 0x868 PIN 26 */
0298 P2_04_gpio: pinmux_P2_04_gpio {
0299 pinctrl-single,pins = <
0300 AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLUP, MUX_MODE7)
0301 >;
0302 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0303 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0304 };
0305
0306 /* P2_02 (ZCZ ball V17) gpio1_27 0x86c PIN 27 */
0307 P2_02_gpio: pinmux_P2_02_gpio {
0308 pinctrl-single,pins = <
0309 AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLUP, MUX_MODE7)
0310 >;
0311 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0312 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0313 };
0314
0315 /* P2_08 (ZCZ ball U18) gpio1_28 0x878 PIN 30 */
0316 P2_08_gpio: pinmux_P2_08_gpio {
0317 pinctrl-single,pins = <
0318 AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLDOWN, MUX_MODE7)
0319 >;
0320 pinctrl-single,bias-pullup = < 0x00 0x10 0x00 0x18>;
0321 pinctrl-single,bias-pulldown = < 0x00 0x00 0x10 0x18>;
0322 };
0323
0324 /* P2_17 (ZCZ ball V12) gpio2_1 0x88c PIN 35 */
0325 P2_17_gpio: pinmux_P2_17_gpio {
0326 pinctrl-single,pins = <
0327 AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE7)
0328 >;
0329 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
0330 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
0331 };
0332
0333 i2c2_pins: pinmux-i2c2-pins {
0334 pinctrl-single,pins = <
0335 AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* (D17) uart1_rtsn.I2C2_SCL */
0336 AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* (D18) uart1_ctsn.I2C2_SDA */
0337 >;
0338 };
0339
0340 ehrpwm0_pins: pinmux-ehrpwm0-pins {
0341 pinctrl-single,pins = <
0342 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* (A13) mcasp0_aclkx.ehrpwm0A */
0343 >;
0344 };
0345
0346 ehrpwm1_pins: pinmux-ehrpwm1-pins {
0347 pinctrl-single,pins = <
0348 AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT_PULLDOWN, MUX_MODE6) /* (U14) gpmc_a2.ehrpwm1A */
0349 >;
0350 };
0351
0352 mmc0_pins: pinmux-mmc0-pins {
0353 pinctrl-single,pins = <
0354 AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7) /* (C15) spi0_cs1.gpio0[6] */
0355 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
0356 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
0357 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
0358 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
0359 AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
0360 AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
0361 >;
0362 };
0363
0364 spi0_pins: pinmux-spi0-pins {
0365 pinctrl-single,pins = <
0366 AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
0367 AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
0368 AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
0369 AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
0370 >;
0371 };
0372
0373 spi1_pins: pinmux-spi1-pins {
0374 pinctrl-single,pins = <
0375 AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE4) /* (C18) eCAP0_in_PWM0_out.spi1_sclk */
0376 AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLUP, MUX_MODE4) /* (E18) uart0_ctsn.spi1_d0 */
0377 AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE4) /* (E17) uart0_rtsn.spi1_d1 */
0378 AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_INPUT_PULLUP, MUX_MODE4) /* (A15) xdma_event_intr0.spi1_cs1 */
0379 >;
0380 };
0381
0382 usr_leds_pins: pinmux-usr-leds-pins {
0383 pinctrl-single,pins = <
0384 AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7) /* (V15) gpmc_a5.gpio1[21] - USR_LED_0 */
0385 AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_OUTPUT, MUX_MODE7) /* (U15) gpmc_a6.gpio1[22] - USR_LED_1 */
0386 AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_OUTPUT, MUX_MODE7) /* (T15) gpmc_a7.gpio1[23] - USR_LED_2 */
0387 AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT, MUX_MODE7) /* (V16) gpmc_a8.gpio1[24] - USR_LED_3 */
0388 >;
0389 };
0390
0391 uart0_pins: pinmux-uart0-pins {
0392 pinctrl-single,pins = <
0393 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
0394 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
0395 >;
0396 };
0397
0398 uart4_pins: pinmux-uart4-pins {
0399 pinctrl-single,pins = <
0400 AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE6) /* (T17) gpmc_wait0.uart4_rxd */
0401 AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLDOWN, MUX_MODE6) /* (U17) gpmc_wpn.uart4_txd */
0402 >;
0403 };
0404 };
0405
0406 &epwmss0 {
0407 status = "okay";
0408 };
0409
0410 &ehrpwm0 {
0411 status = "okay";
0412 pinctrl-names = "default";
0413 pinctrl-0 = <&ehrpwm0_pins>;
0414 };
0415
0416 &epwmss1 {
0417 status = "okay";
0418 };
0419
0420 &ehrpwm1 {
0421 status = "okay";
0422 pinctrl-names = "default";
0423 pinctrl-0 = <&ehrpwm1_pins>;
0424 };
0425
0426 &i2c0 {
0427 eeprom: eeprom@50 {
0428 compatible = "atmel,24c256";
0429 reg = <0x50>;
0430 };
0431 };
0432
0433 &i2c2 {
0434 pinctrl-names = "default";
0435 pinctrl-0 = <&i2c2_pins>;
0436
0437 status = "okay";
0438 clock-frequency = <400000>;
0439 };
0440
0441 &mmc1 {
0442 status = "okay";
0443 vmmc-supply = <&vmmcsd_fixed>;
0444 bus-width = <4>;
0445 pinctrl-names = "default";
0446 pinctrl-0 = <&mmc0_pins>;
0447 cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
0448 };
0449
0450 &rtc {
0451 system-power-controller;
0452 };
0453
0454 &tscadc {
0455 status = "okay";
0456 adc {
0457 ti,adc-channels = <0 1 2 3 4 5 6 7>;
0458 ti,chan-step-avg = <16 16 16 16 16 16 16 16>;
0459 ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98 0x98>;
0460 ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>;
0461 };
0462 };
0463
0464 &uart0 {
0465 pinctrl-names = "default";
0466 pinctrl-0 = <&uart0_pins>;
0467
0468 status = "okay";
0469 };
0470
0471 &uart4 {
0472 pinctrl-names = "default";
0473 pinctrl-0 = <&uart4_pins>;
0474
0475 status = "okay";
0476 };
0477
0478 &usb0 {
0479 dr_mode = "otg";
0480 };
0481
0482 &usb1 {
0483 dr_mode = "host";
0484 };
