arch/arm/boot/dts/am437x-idk-evm.dts

   1 /*
   2  * Copyright (C) 2014 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 /dts-v1/;
  10
  11 #include "am4372.dtsi"
  12 #include <dt-bindings/pinctrl/am43xx.h>
  13 #include <dt-bindings/pwm/pwm.h>
  14 #include <dt-bindings/gpio/gpio.h>
  15 #include <dt-bindings/input/input.h>
  16
  17 / {
  18         model = "TI AM437x Industrial Development Kit";
  19         compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";
  20
  21         chosen {
  22                 stdout-path = &uart0;
  23         };
  24
  25         v24_0d: fixed-regulator-v24_0d {
  26                 compatible = "regulator-fixed";
  27                 regulator-name = "V24_0D";
  28                 regulator-min-microvolt = <24000000>;
  29                 regulator-max-microvolt = <24000000>;
  30                 regulator-always-on;
  31                 regulator-boot-on;
  32         };
  33
  34         v3_3d: fixed-regulator-v3_3d {
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "V3_3D";
  37                 regulator-min-microvolt = <3300000>;
  38                 regulator-max-microvolt = <3300000>;
  39                 regulator-always-on;
  40                 regulator-boot-on;
  41                 vin-supply = <&v24_0d>;
  42         };
  43
  44         vdd_corereg: fixed-regulator-vdd_corereg {
  45                 compatible = "regulator-fixed";
  46                 regulator-name = "VDD_COREREG";
  47                 regulator-min-microvolt = <1100000>;
  48                 regulator-max-microvolt = <1100000>;
  49                 regulator-always-on;
  50                 regulator-boot-on;
  51                 vin-supply = <&v24_0d>;
  52         };
  53
  54         vdd_core: fixed-regulator-vdd_core {
  55                 compatible = "regulator-fixed";
  56                 regulator-name = "VDD_CORE";
  57                 regulator-min-microvolt = <1100000>;
  58                 regulator-max-microvolt = <1100000>;
  59                 regulator-always-on;
  60                 regulator-boot-on;
  61                 vin-supply = <&vdd_corereg>;
  62         };
  63
  64         v1_8dreg: fixed-regulator-v1_8dreg{
  65                 compatible = "regulator-fixed";
  66                 regulator-name = "V1_8DREG";
  67                 regulator-min-microvolt = <1800000>;
  68                 regulator-max-microvolt = <1800000>;
  69                 regulator-always-on;
  70                 regulator-boot-on;
  71                 vin-supply = <&v24_0d>;
  72         };
  73
  74         v1_8d: fixed-regulator-v1_8d{
  75                 compatible = "regulator-fixed";
  76                 regulator-name = "V1_8D";
  77                 regulator-min-microvolt = <1800000>;
  78                 regulator-max-microvolt = <1800000>;
  79                 regulator-always-on;
  80                 regulator-boot-on;
  81                 vin-supply = <&v1_8dreg>;
  82         };
  83
  84         v1_5dreg: fixed-regulator-v1_5dreg{
  85                 compatible = "regulator-fixed";
  86                 regulator-name = "V1_5DREG";
  87                 regulator-min-microvolt = <1500000>;
  88                 regulator-max-microvolt = <1500000>;
  89                 regulator-always-on;
  90                 regulator-boot-on;
  91                 vin-supply = <&v24_0d>;
  92         };
  93
  94         v1_5d: fixed-regulator-v1_5d{
  95                 compatible = "regulator-fixed";
  96                 regulator-name = "V1_5D";
  97                 regulator-min-microvolt = <1500000>;
  98                 regulator-max-microvolt = <1500000>;
  99                 regulator-always-on;
 100                 regulator-boot-on;
 101                 vin-supply = <&v1_5dreg>;
 102         };
 103
 104         gpio_keys: gpio_keys {
 105                 compatible = "gpio-keys";
 106                 pinctrl-names = "default";
 107                 pinctrl-0 = <&gpio_keys_pins_default>;
 108                 #address-cells = <1>;
 109                 #size-cells = <0>;
 110
 111                 switch0 {
 112                         label = "power-button";
 113                         linux,code = <KEY_POWER>;
 114                         gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
 115                 };
 116         };
 117
 118         /* fixed 32k external oscillator clock */
 119         clk_32k_rtc: clk_32k_rtc {
 120                 #clock-cells = <0>;
 121                 compatible = "fixed-clock";
 122                 clock-frequency = <32768>;
 123         };
 124
 125         leds-iio {
 126                 status = "disabled";
 127                 compatible = "gpio-leds";
 128                 led-out0 {
 129                         label = "out0";
 130                         gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
 131                         default-state = "off";
 132                 };
 133
 134                 led-out1 {
 135                         label = "out1";
 136                         gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
 137                         default-state = "off";
 138                 };
 139
 140                 led-out2 {
 141                         label = "out2";
 142                         gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
 143                         default-state = "off";
 144                 };
 145
 146                 led-out3 {
 147                         label = "out3";
 148                         gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
 149                         default-state = "off";
 150                 };
 151
 152                 led-out4 {
 153                         label = "out4";
 154                         gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
 155                         default-state = "off";
 156                 };
 157
 158                 led-out5 {
 159                         label = "out5";
 160                         gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
 161                         default-state = "off";
 162                 };
 163
 164                 led-out6 {
 165                         label = "out6";
 166                         gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
 167                         default-state = "off";
 168                 };
 169
 170                 led-out7 {
 171                         label = "out7";
 172                         gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
 173                         default-state = "off";
 174                 };
 175         };
 176 };
 177
 178 &am43xx_pinmux {
 179         gpio_keys_pins_default: gpio_keys_pins_default {
 180                 pinctrl-single,pins = <
 181                         AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7)      /* cam0_field.gpio4_2 */
 182                 >;
 183         };
 184
 185         i2c0_pins_default: i2c0_pins_default {
 186                 pinctrl-single,pins = <
 187                         AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
 188                         AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
 189                 >;
 190         };
 191
 192         i2c0_pins_sleep: i2c0_pins_sleep {
 193                 pinctrl-single,pins = <
 194                         AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
 195                         AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 196                 >;
 197         };
 198
 199         i2c2_pins_default: i2c2_pins_default {
 200                 pinctrl-single,pins = <
 201                         AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
 202                         AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
 203                 >;
 204         };
 205
 206         i2c2_pins_sleep: i2c2_pins_sleep {
 207                 pinctrl-single,pins = <
 208                         AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
 209                         AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
 210                 >;
 211         };
 212
 213         mmc1_pins_default: pinmux_mmc1_pins_default {
 214                 pinctrl-single,pins = <
 215                         AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
 216                         AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
 217                         AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
 218                         AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
 219                         AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
 220                         AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
 221                         AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
 222                 >;
 223         };
 224
 225         mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
 226                 pinctrl-single,pins = <
 227                         AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
 228                         AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
 229                         AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
 230                         AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
 231                         AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
 232                         AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
 233                         AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
 234                 >;
 235         };
 236
 237         spi1_pins_default: spi1_pins_default {
 238                 pinctrl-single,pins = <
 239                         AM4372_IOPAD(0x908, PIN_INPUT | MUX_MODE2)      /* mii1_col.spi1_sclk */
 240                         AM4372_IOPAD(0x910, PIN_INPUT | MUX_MODE2)      /* mii1_rx_er.spi1_d1 */
 241                         AM4372_IOPAD(0x944, PIN_OUTPUT | MUX_MODE2)     /* rmii1_ref_clk.spi1_cs0 */
 242                         AM4372_IOPAD(0x90c, PIN_OUTPUT | MUX_MODE7)     /* mii1_crs.gpio3_1 */
 243                 >;
 244         };
 245
 246         spi1_pins_sleep: spi1_pins_sleep {
 247                 pinctrl-single,pins = <
 248                         AM4372_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE7)
 249                         AM4372_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)
 250                         AM4372_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)
 251                         AM4372_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 252                 >;
 253         };
 254
 255         ecap0_pins_default: backlight_pins_default {
 256                 pinctrl-single,pins = <
 257                         AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
 258                 >;
 259         };
 260
 261         cpsw_default: cpsw_default {
 262                 pinctrl-single,pins = <
 263                         AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txclk.rgmii1_tclk */
 264                         AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txen.rgmii1_tctl */
 265                         AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
 266                         AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
 267                         AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td2 */
 268                         AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td3 */
 269                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxclk.rmii1_rclk */
 270                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxdv.rgmii1_rctl */
 271                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd0 */
 272                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd1 */
 273                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd2 */
 274                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd3 */
 275                 >;
 276         };
 277
 278         cpsw_sleep: cpsw_sleep {
 279                 pinctrl-single,pins = <
 280                         AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 281                         AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 282                         AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 283                         AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 284                         AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 285                         AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 286                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 287                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 288                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 289                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 290                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 291                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 292                 >;
 293         };
 294
 295         davinci_mdio_default: davinci_mdio_default {
 296                 pinctrl-single,pins = <
 297                         /* MDIO */
 298                         AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
 299                         AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
 300                 >;
 301         };
 302
 303         davinci_mdio_sleep: davinci_mdio_sleep {
 304                 pinctrl-single,pins = <
 305                         /* MDIO reset value */
 306                         AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 307                         AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 308                 >;
 309         };
 310
 311         qspi_pins_default: qspi_pins_default {
 312                 pinctrl-single,pins = <
 313                         AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3)      /* gpmc_csn0.qspi_csn */
 314                         AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2)             /* gpmc_csn3.qspi_clk */
 315                         AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_advn_ale.qspi_d0 */
 316                         AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_oen_ren.qspi_d1 */
 317                         AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_wen.qspi_d2 */
 318                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_be0n_cle.qspi_d3 */
 319                 >;
 320         };
 321
 322         qspi_pins_sleep: qspi_pins_sleep{
 323                 pinctrl-single,pins = <
 324                         AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 325                         AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
 326                         AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
 327                         AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
 328                         AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
 329                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 330                 >;
 331         };
 332 };
 333
 334 &i2c0 {
 335         status = "okay";
 336         pinctrl-names = "default", "sleep";
 337         pinctrl-0 = <&i2c0_pins_default>;
 338         pinctrl-1 = <&i2c0_pins_sleep>;
 339         clock-frequency = <400000>;
 340
 341         at24@50 {
 342                 compatible = "atmel,24c256";
 343                 pagesize = <64>;
 344                 reg = <0x50>;
 345         };
 346
 347         tps: tps62362@60 {
 348                 compatible = "ti,tps62362";
 349                 reg = <0x60>;
 350                 regulator-name = "VDD_MPU";
 351                 regulator-min-microvolt = <950000>;
 352                 regulator-max-microvolt = <1330000>;
 353                 regulator-boot-on;
 354                 regulator-always-on;
 355                 ti,vsel0-state-high;
 356                 ti,vsel1-state-high;
 357                 vin-supply = <&v3_3d>;
 358         };
 359 };
 360
 361 &i2c2 {
 362         status = "okay";
 363         pinctrl-names = "default", "sleep";
 364         pinctrl-0 = <&i2c2_pins_default>;
 365         pinctrl-1 = <&i2c2_pins_sleep>;
 366         clock-frequency = <100000>;
 367
 368         tpic2810: tpic2810@60 {
 369                 compatible = "ti,tpic2810";
 370                 reg = <0x60>;
 371                 gpio-controller;
 372                 #gpio-cells = <2>;
 373         };
 374 };
 375
 376 &spi1 {
 377         status = "okay";
 378         pinctrl-names = "default", "sleep";
 379         pinctrl-0 = <&spi1_pins_default>;
 380         pinctrl-1 = <&spi1_pins_sleep>;
 381         ti,pindir-d0-out-d1-in;
 382
 383         sn65hvs882: sn65hvs882@0 {
 384                 compatible = "pisosr-gpio";
 385                 gpio-controller;
 386                 #gpio-cells = <2>;
 387
 388                 load-gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
 389
 390                 reg = <0>;
 391                 spi-max-frequency = <1000000>;
 392                 spi-cpol;
 393         };
 394 };
 395
 396 &epwmss0 {
 397         status = "okay";
 398 };
 399
 400 &ecap0 {
 401         status = "okay";
 402         pinctrl-names = "default";
 403         pinctrl-0 = <&ecap0_pins_default>;
 404 };
 405
 406 &gpio0 {
 407         status = "okay";
 408 };
 409
 410 &gpio1 {
 411         status = "okay";
 412 };
 413
 414 &gpio3 {
 415         status = "okay";
 416 };
 417
 418 &gpio4 {
 419         status = "okay";
 420 };
 421
 422 &gpio5 {
 423         status = "okay";
 424 };
 425
 426 &mmc1 {
 427         status = "okay";
 428         pinctrl-names = "default", "sleep";
 429         pinctrl-0 = <&mmc1_pins_default>;
 430         pinctrl-1 = <&mmc1_pins_sleep>;
 431         vmmc-supply = <&v3_3d>;
 432         bus-width = <4>;
 433         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 434 };
 435
 436 &qspi {
 437         status = "okay";
 438         pinctrl-names = "default", "sleep";
 439         pinctrl-0 = <&qspi_pins_default>;
 440         pinctrl-1 = <&qspi_pins_sleep>;
 441
 442         spi-max-frequency = <48000000>;
 443         m25p80@0 {
 444                 compatible = "mx66l51235l";
 445                 spi-max-frequency = <48000000>;
 446                 reg = <0>;
 447                 spi-cpol;
 448                 spi-cpha;
 449                 spi-tx-bus-width = <1>;
 450                 spi-rx-bus-width = <4>;
 451                 #address-cells = <1>;
 452                 #size-cells = <1>;
 453
 454                 /*
 455                  * MTD partition table.  The ROM checks the first 512KiB for a
 456                  * valid file to boot(XIP).
 457                  */
 458                 partition@0 {
 459                         label = "QSPI.U_BOOT";
 460                         reg = <0x00000000 0x000080000>;
 461                 };
 462                 partition@1 {
 463                         label = "QSPI.U_BOOT.backup";
 464                         reg = <0x00080000 0x00080000>;
 465                 };
 466                 partition@2 {
 467                         label = "QSPI.U-BOOT-SPL_OS";
 468                         reg = <0x00100000 0x00010000>;
 469                 };
 470                 partition@3 {
 471                         label = "QSPI.U_BOOT_ENV";
 472                         reg = <0x00110000 0x00010000>;
 473                 };
 474                 partition@4 {
 475                         label = "QSPI.U-BOOT-ENV.backup";
 476                         reg = <0x00120000 0x00010000>;
 477                 };
 478                 partition@5 {
 479                         label = "QSPI.KERNEL";
 480                         reg = <0x00130000 0x0800000>;
 481                 };
 482                 partition@6 {
 483                         label = "QSPI.FILESYSTEM";
 484                         reg = <0x00930000 0x36D0000>;
 485                 };
 486         };
 487 };
 488
 489 &mac {
 490         slaves = <1>;
 491         pinctrl-names = "default", "sleep";
 492         pinctrl-0 = <&cpsw_default>;
 493         pinctrl-1 = <&cpsw_sleep>;
 494         status = "okay";
 495 };
 496
 497 &davinci_mdio {
 498         pinctrl-names = "default", "sleep";
 499         pinctrl-0 = <&davinci_mdio_default>;
 500         pinctrl-1 = <&davinci_mdio_sleep>;
 501         status = "okay";
 502 };
 503
 504 &cpsw_emac0 {
 505         phy_id = <&davinci_mdio>, <0>;
 506         phy-mode = "rgmii";
 507 };
 508
 509 &rtc {
 510         clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
 511         clock-names = "ext-clk", "int-clk";
 512         status = "okay";
 513 };
 514
 515 &wdt {
 516         status = "okay";
 517 };
 518
 519 &cpu {
 520         cpu0-supply = <&tps>;
 521 };