arch/arm/boot/dts/am335x-bone-common.dtsi

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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
   9 #include <dt-bindings/mfd/tps65217.h>
  10
  11 / {
  12         cpus {
  13                 cpu@0 {
  14                         cpu0-supply = <&dcdc2_reg>;
  15                 };
  16         };
  17
  18         memory@80000000 {
  19                 device_type = "memory";
  20                 reg = <0x80000000 0x10000000>; /* 256 MB */
  21         };
  22
  23         chosen {
  24                 stdout-path = &uart0;
  25         };
  26
  27         leds {
  28                 pinctrl-names = "default";
  29                 pinctrl-0 = <&user_leds_s0>;
  30
  31                 compatible = "gpio-leds";
  32
  33                 led2 {
  34                         label = "beaglebone:green:heartbeat";
  35                         gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
  36                         linux,default-trigger = "heartbeat";
  37                         default-state = "off";
  38                 };
  39
  40                 led3 {
  41                         label = "beaglebone:green:mmc0";
  42                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  43                         linux,default-trigger = "mmc0";
  44                         default-state = "off";
  45                 };
  46
  47                 led4 {
  48                         label = "beaglebone:green:usr2";
  49                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
  50                         linux,default-trigger = "cpu0";
  51                         default-state = "off";
  52                 };
  53
  54                 led5 {
  55                         label = "beaglebone:green:usr3";
  56                         gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
  57                         linux,default-trigger = "mmc1";
  58                         default-state = "off";
  59                 };
  60         };
  61
  62         vmmcsd_fixed: fixedregulator0 {
  63                 compatible = "regulator-fixed";
  64                 regulator-name = "vmmcsd_fixed";
  65                 regulator-min-microvolt = <3300000>;
  66                 regulator-max-microvolt = <3300000>;
  67         };
  68 };
  69
  70 &am33xx_pinmux {
  71         pinctrl-names = "default";
  72         pinctrl-0 = <&clkout2_pin>;
  73
  74         user_leds_s0: user_leds_s0 {
  75                 pinctrl-single,pins = <
  76                         AM33XX_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* gpmc_a5.gpio1_21 */
  77                         AM33XX_IOPAD(0x858, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a6.gpio1_22 */
  78                         AM33XX_IOPAD(0x85c, PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* gpmc_a7.gpio1_23 */
  79                         AM33XX_IOPAD(0x860, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a8.gpio1_24 */
  80                 >;
  81         };
  82
  83         i2c0_pins: pinmux_i2c0_pins {
  84                 pinctrl-single,pins = <
  85                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_sda.i2c0_sda */
  86                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_scl.i2c0_scl */
  87                 >;
  88         };
  89
  90         i2c2_pins: pinmux_i2c2_pins {
  91                 pinctrl-single,pins = <
  92                         AM33XX_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE3)       /* uart1_ctsn.i2c2_sda */
  93                         AM33XX_IOPAD(0x97c, PIN_INPUT_PULLUP | MUX_MODE3)       /* uart1_rtsn.i2c2_scl */
  94                 >;
  95         };
  96
  97         uart0_pins: pinmux_uart0_pins {
  98                 pinctrl-single,pins = <
  99                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
 100                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
 101                 >;
 102         };
 103
 104         clkout2_pin: pinmux_clkout2_pin {
 105                 pinctrl-single,pins = <
 106                         AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr1.clkout2 */
 107                 >;
 108         };
 109
 110         cpsw_default: cpsw_default {
 111                 pinctrl-single,pins = <
 112                         /* Slave 1 */
 113                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxerr.mii1_rxerr */
 114                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* mii1_txen.mii1_txen */
 115                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxdv.mii1_rxdv */
 116                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* mii1_txd3.mii1_txd3 */
 117                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* mii1_txd2.mii1_txd2 */
 118                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* mii1_txd1.mii1_txd1 */
 119                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* mii1_txd0.mii1_txd0 */
 120                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_txclk.mii1_txclk */
 121                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxclk.mii1_rxclk */
 122                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxd3.mii1_rxd3 */
 123                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxd2.mii1_rxd2 */
 124                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxd1.mii1_rxd1 */
 125                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLUP | MUX_MODE0)       /* mii1_rxd0.mii1_rxd0 */
 126                 >;
 127         };
 128
 129         cpsw_sleep: cpsw_sleep {
 130                 pinctrl-single,pins = <
 131                         /* Slave 1 reset value */
 132                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)
 133                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 134                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 135                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 136                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 137                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 138                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 139                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 140                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 141                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 142                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 143                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 144                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 145                 >;
 146         };
 147
 148         davinci_mdio_default: davinci_mdio_default {
 149                 pinctrl-single,pins = <
 150                         /* MDIO */
 151                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
 152                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
 153                 >;
 154         };
 155
 156         davinci_mdio_sleep: davinci_mdio_sleep {
 157                 pinctrl-single,pins = <
 158                         /* MDIO reset value */
 159                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 160                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 161                 >;
 162         };
 163
 164         mmc1_pins: pinmux_mmc1_pins {
 165                 pinctrl-single,pins = <
 166                         AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
 167                 >;
 168         };
 169
 170         emmc_pins: pinmux_emmc_pins {
 171                 pinctrl-single,pins = <
 172                         AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
 173                         AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
 174                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
 175                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
 176                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
 177                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
 178                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
 179                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
 180                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
 181                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
 182                 >;
 183         };
 184 };
 185
 186 &uart0 {
 187         pinctrl-names = "default";
 188         pinctrl-0 = <&uart0_pins>;
 189
 190         status = "okay";
 191 };
 192
 193 &usb {
 194         status = "okay";
 195 };
 196
 197 &usb_ctrl_mod {
 198         status = "okay";
 199 };
 200
 201 &usb0_phy {
 202         status = "okay";
 203 };
 204
 205 &usb1_phy {
 206         status = "okay";
 207 };
 208
 209 &usb0 {
 210         status = "okay";
 211         dr_mode = "peripheral";
 212 };
 213
 214 &usb1 {
 215         status = "okay";
 216         dr_mode = "host";
 217 };
 218
 219 &cppi41dma  {
 220         status = "okay";
 221 };
 222
 223 &i2c0 {
 224         pinctrl-names = "default";
 225         pinctrl-0 = <&i2c0_pins>;
 226
 227         status = "okay";
 228         clock-frequency = <400000>;
 229
 230         tps: tps@24 {
 231                 reg = <0x24>;
 232         };
 233
 234         baseboard_eeprom: baseboard_eeprom@50 {
 235                 compatible = "at,24c256";
 236                 reg = <0x50>;
 237
 238                 #address-cells = <1>;
 239                 #size-cells = <1>;
 240                 baseboard_data: baseboard_data@0 {
 241                         reg = <0 0x100>;
 242                 };
 243         };
 244 };
 245
 246 &i2c2 {
 247         pinctrl-names = "default";
 248         pinctrl-0 = <&i2c2_pins>;
 249
 250         status = "okay";
 251         clock-frequency = <100000>;
 252
 253         cape_eeprom0: cape_eeprom0@54 {
 254                 compatible = "at,24c256";
 255                 reg = <0x54>;
 256                 #address-cells = <1>;
 257                 #size-cells = <1>;
 258                 cape0_data: cape_data@0 {
 259                         reg = <0 0x100>;
 260                 };
 261         };
 262
 263         cape_eeprom1: cape_eeprom1@55 {
 264                 compatible = "at,24c256";
 265                 reg = <0x55>;
 266                 #address-cells = <1>;
 267                 #size-cells = <1>;
 268                 cape1_data: cape_data@0 {
 269                         reg = <0 0x100>;
 270                 };
 271         };
 272
 273         cape_eeprom2: cape_eeprom2@56 {
 274                 compatible = "at,24c256";
 275                 reg = <0x56>;
 276                 #address-cells = <1>;
 277                 #size-cells = <1>;
 278                 cape2_data: cape_data@0 {
 279                         reg = <0 0x100>;
 280                 };
 281         };
 282
 283         cape_eeprom3: cape_eeprom3@57 {
 284                 compatible = "at,24c256";
 285                 reg = <0x57>;
 286                 #address-cells = <1>;
 287                 #size-cells = <1>;
 288                 cape3_data: cape_data@0 {
 289                         reg = <0 0x100>;
 290                 };
 291         };
 292 };
 293
 294
 295 /include/ "tps65217.dtsi"
 296
 297 &tps {
 298         /*
 299          * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
 300          * mode") at poweroff.  Most BeagleBone versions do not support RTC-only
 301          * mode and risk hardware damage if this mode is entered.
 302          *
 303          * For details, see linux-omap mailing list May 2015 thread
 304          *      [PATCH] ARM: dts: am335x-bone* enable pmic-shutdown-controller
 305          * In particular, messages:
 306          *      http://www.spinics.net/lists/linux-omap/msg118585.html
 307          *      http://www.spinics.net/lists/linux-omap/msg118615.html
 308          *
 309          * You can override this later with
 310          *      &tps {  /delete-property/ ti,pmic-shutdown-controller;  }
 311          * if you want to use RTC-only mode and made sure you are not affected
 312          * by the hardware problems. (Tip: double-check by performing a current
 313          * measurement after shutdown: it should be less than 1 mA.)
 314          */
 315
 316         interrupts = <7>; /* NMI */
 317         interrupt-parent = <&intc>;
 318
 319         ti,pmic-shutdown-controller;
 320
 321         charger {
 322                 interrupts = <TPS65217_IRQ_AC>, <TPS65217_IRQ_USB>;
 323                 interrupts-names = "AC", "USB";
 324                 status = "okay";
 325         };
 326
 327         pwrbutton {
 328                 interrupts = <TPS65217_IRQ_PB>;
 329                 status = "okay";
 330         };
 331
 332         regulators {
 333                 dcdc1_reg: regulator@0 {
 334                         regulator-name = "vdds_dpr";
 335                         regulator-always-on;
 336                 };
 337
 338                 dcdc2_reg: regulator@1 {
 339                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 340                         regulator-name = "vdd_mpu";
 341                         regulator-min-microvolt = <925000>;
 342                         regulator-max-microvolt = <1351500>;
 343                         regulator-boot-on;
 344                         regulator-always-on;
 345                 };
 346
 347                 dcdc3_reg: regulator@2 {
 348                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 349                         regulator-name = "vdd_core";
 350                         regulator-min-microvolt = <925000>;
 351                         regulator-max-microvolt = <1150000>;
 352                         regulator-boot-on;
 353                         regulator-always-on;
 354                 };
 355
 356                 ldo1_reg: regulator@3 {
 357                         regulator-name = "vio,vrtc,vdds";
 358                         regulator-always-on;
 359                 };
 360
 361                 ldo2_reg: regulator@4 {
 362                         regulator-name = "vdd_3v3aux";
 363                         regulator-always-on;
 364                 };
 365
 366                 ldo3_reg: regulator@5 {
 367                         regulator-name = "vdd_1v8";
 368                         regulator-always-on;
 369                 };
 370
 371                 ldo4_reg: regulator@6 {
 372                         regulator-name = "vdd_3v3a";
 373                         regulator-always-on;
 374                 };
 375         };
 376 };
 377
 378 &cpsw_emac0 {
 379         phy_id = <&davinci_mdio>, <0>;
 380         phy-mode = "mii";
 381 };
 382
 383 &mac {
 384         slaves = <1>;
 385         pinctrl-names = "default", "sleep";
 386         pinctrl-0 = <&cpsw_default>;
 387         pinctrl-1 = <&cpsw_sleep>;
 388         status = "okay";
 389 };
 390
 391 &davinci_mdio {
 392         pinctrl-names = "default", "sleep";
 393         pinctrl-0 = <&davinci_mdio_default>;
 394         pinctrl-1 = <&davinci_mdio_sleep>;
 395         status = "okay";
 396 };
 397
 398 &mmc1 {
 399         status = "okay";
 400         bus-width = <0x4>;
 401         pinctrl-names = "default";
 402         pinctrl-0 = <&mmc1_pins>;
 403         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 404 };
 405
 406 &aes {
 407         status = "okay";
 408 };
 409
 410 &sham {
 411         status = "okay";
 412 };
 413
 414 &rtc {
 415         clocks = <&clk_32768_ck>, <&clkdiv32k_ick>;
 416         clock-names = "ext-clk", "int-clk";
 417 };