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