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