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         interrupts-extended = <&intc 18 &tps 0>;
 213         interrupt-names = "mc", "vbus";
 214 };
 215
 216 &usb1 {
 217         status = "okay";
 218         dr_mode = "host";
 219 };
 220
 221 &cppi41dma  {
 222         status = "okay";
 223 };
 224
 225 &i2c0 {
 226         pinctrl-names = "default";
 227         pinctrl-0 = <&i2c0_pins>;
 228
 229         status = "okay";
 230         clock-frequency = <400000>;
 231
 232         tps: tps@24 {
 233                 reg = <0x24>;
 234         };
 235
 236         baseboard_eeprom: baseboard_eeprom@50 {
 237                 compatible = "at,24c256";
 238                 reg = <0x50>;
 239
 240                 #address-cells = <1>;
 241                 #size-cells = <1>;
 242                 baseboard_data: baseboard_data@0 {
 243                         reg = <0 0x100>;
 244                 };
 245         };
 246 };
 247
 248 &i2c2 {
 249         pinctrl-names = "default";
 250         pinctrl-0 = <&i2c2_pins>;
 251
 252         status = "okay";
 253         clock-frequency = <100000>;
 254
 255         cape_eeprom0: cape_eeprom0@54 {
 256                 compatible = "at,24c256";
 257                 reg = <0x54>;
 258                 #address-cells = <1>;
 259                 #size-cells = <1>;
 260                 cape0_data: cape_data@0 {
 261                         reg = <0 0x100>;
 262                 };
 263         };
 264
 265         cape_eeprom1: cape_eeprom1@55 {
 266                 compatible = "at,24c256";
 267                 reg = <0x55>;
 268                 #address-cells = <1>;
 269                 #size-cells = <1>;
 270                 cape1_data: cape_data@0 {
 271                         reg = <0 0x100>;
 272                 };
 273         };
 274
 275         cape_eeprom2: cape_eeprom2@56 {
 276                 compatible = "at,24c256";
 277                 reg = <0x56>;
 278                 #address-cells = <1>;
 279                 #size-cells = <1>;
 280                 cape2_data: cape_data@0 {
 281                         reg = <0 0x100>;
 282                 };
 283         };
 284
 285         cape_eeprom3: cape_eeprom3@57 {
 286                 compatible = "at,24c256";
 287                 reg = <0x57>;
 288                 #address-cells = <1>;
 289                 #size-cells = <1>;
 290                 cape3_data: cape_data@0 {
 291                         reg = <0 0x100>;
 292                 };
 293         };
 294 };
 295
 296
 297 /include/ "tps65217.dtsi"
 298
 299 &tps {
 300         /*
 301          * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
 302          * mode") at poweroff.  Most BeagleBone versions do not support RTC-only
 303          * mode and risk hardware damage if this mode is entered.
 304          *
 305          * For details, see linux-omap mailing list May 2015 thread
 306          *      [PATCH] ARM: dts: am335x-bone* enable pmic-shutdown-controller
 307          * In particular, messages:
 308          *      http://www.spinics.net/lists/linux-omap/msg118585.html
 309          *      http://www.spinics.net/lists/linux-omap/msg118615.html
 310          *
 311          * You can override this later with
 312          *      &tps {  /delete-property/ ti,pmic-shutdown-controller;  }
 313          * if you want to use RTC-only mode and made sure you are not affected
 314          * by the hardware problems. (Tip: double-check by performing a current
 315          * measurement after shutdown: it should be less than 1 mA.)
 316          */
 317
 318         interrupts = <7>; /* NMI */
 319         interrupt-parent = <&intc>;
 320
 321         ti,pmic-shutdown-controller;
 322
 323         charger {
 324                 interrupts = <TPS65217_IRQ_AC>, <TPS65217_IRQ_USB>;
 325                 interrupts-names = "AC", "USB";
 326                 status = "okay";
 327         };
 328
 329         pwrbutton {
 330                 interrupts = <TPS65217_IRQ_PB>;
 331                 status = "okay";
 332         };
 333
 334         regulators {
 335                 dcdc1_reg: regulator@0 {
 336                         regulator-name = "vdds_dpr";
 337                         regulator-always-on;
 338                 };
 339
 340                 dcdc2_reg: regulator@1 {
 341                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 342                         regulator-name = "vdd_mpu";
 343                         regulator-min-microvolt = <925000>;
 344                         regulator-max-microvolt = <1351500>;
 345                         regulator-boot-on;
 346                         regulator-always-on;
 347                 };
 348
 349                 dcdc3_reg: regulator@2 {
 350                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 351                         regulator-name = "vdd_core";
 352                         regulator-min-microvolt = <925000>;
 353                         regulator-max-microvolt = <1150000>;
 354                         regulator-boot-on;
 355                         regulator-always-on;
 356                 };
 357
 358                 ldo1_reg: regulator@3 {
 359                         regulator-name = "vio,vrtc,vdds";
 360                         regulator-always-on;
 361                 };
 362
 363                 ldo2_reg: regulator@4 {
 364                         regulator-name = "vdd_3v3aux";
 365                         regulator-always-on;
 366                 };
 367
 368                 ldo3_reg: regulator@5 {
 369                         regulator-name = "vdd_1v8";
 370                         regulator-always-on;
 371                 };
 372
 373                 ldo4_reg: regulator@6 {
 374                         regulator-name = "vdd_3v3a";
 375                         regulator-always-on;
 376                 };
 377         };
 378 };
 379
 380 &cpsw_emac0 {
 381         phy_id = <&davinci_mdio>, <0>;
 382         phy-mode = "mii";
 383 };
 384
 385 &mac {
 386         slaves = <1>;
 387         pinctrl-names = "default", "sleep";
 388         pinctrl-0 = <&cpsw_default>;
 389         pinctrl-1 = <&cpsw_sleep>;
 390         status = "okay";
 391 };
 392
 393 &davinci_mdio {
 394         pinctrl-names = "default", "sleep";
 395         pinctrl-0 = <&davinci_mdio_default>;
 396         pinctrl-1 = <&davinci_mdio_sleep>;
 397         status = "okay";
 398 };
 399
 400 &mmc1 {
 401         status = "okay";
 402         bus-width = <0x4>;
 403         pinctrl-names = "default";
 404         pinctrl-0 = <&mmc1_pins>;
 405         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 406 };
 407
 408 &aes {
 409         status = "okay";
 410 };
 411
 412 &sham {
 413         status = "okay";
 414 };
 415
 416 &rtc {
 417         clocks = <&clk_32768_ck>, <&clkdiv32k_ick>;
 418         clock-names = "ext-clk", "int-clk";
 419 };