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         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
 122 &am43xx_pinmux {
 123         gpio_keys_pins_default: gpio_keys_pins_default {
 124                 pinctrl-single,pins = <
 125                         AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7)      /* cam0_field.gpio4_2 */
 126                 >;
 127         };
 128
 129         i2c0_pins_default: i2c0_pins_default {
 130                 pinctrl-single,pins = <
 131                         AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
 132                         AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
 133                 >;
 134         };
 135
 136         i2c0_pins_sleep: i2c0_pins_sleep {
 137                 pinctrl-single,pins = <
 138                         AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
 139                         AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 140                 >;
 141         };
 142
 143         i2c2_pins_default: i2c2_pins_default {
 144                 pinctrl-single,pins = <
 145                         AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
 146                         AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
 147                 >;
 148         };
 149
 150         i2c2_pins_sleep: i2c2_pins_sleep {
 151                 pinctrl-single,pins = <
 152                         AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
 153                         AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
 154                 >;
 155         };
 156
 157         mmc1_pins_default: pinmux_mmc1_pins_default {
 158                 pinctrl-single,pins = <
 159                         AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
 160                         AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
 161                         AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
 162                         AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
 163                         AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
 164                         AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
 165                         AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
 166                 >;
 167         };
 168
 169         mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
 170                 pinctrl-single,pins = <
 171                         AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
 172                         AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
 173                         AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
 174                         AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
 175                         AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
 176                         AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
 177                         AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
 178                 >;
 179         };
 180
 181         ecap0_pins_default: backlight_pins_default {
 182                 pinctrl-single,pins = <
 183                         AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
 184                 >;
 185         };
 186
 187         cpsw_default: cpsw_default {
 188                 pinctrl-single,pins = <
 189                         AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txclk.rgmii1_tclk */
 190                         AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txen.rgmii1_tctl */
 191                         AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
 192                         AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
 193                         AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td2 */
 194                         AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td3 */
 195                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxclk.rmii1_rclk */
 196                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxdv.rgmii1_rctl */
 197                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd0 */
 198                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd1 */
 199                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd2 */
 200                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd3 */
 201                 >;
 202         };
 203
 204         cpsw_sleep: cpsw_sleep {
 205                 pinctrl-single,pins = <
 206                         AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 207                         AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 208                         AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 209                         AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 210                         AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 211                         AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 212                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 213                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 214                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 215                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 216                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 217                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 218                 >;
 219         };
 220
 221         davinci_mdio_default: davinci_mdio_default {
 222                 pinctrl-single,pins = <
 223                         /* MDIO */
 224                         AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
 225                         AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
 226                 >;
 227         };
 228
 229         davinci_mdio_sleep: davinci_mdio_sleep {
 230                 pinctrl-single,pins = <
 231                         /* MDIO reset value */
 232                         AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 233                         AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 234                 >;
 235         };
 236
 237         qspi_pins_default: qspi_pins_default {
 238                 pinctrl-single,pins = <
 239                         AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3)      /* gpmc_csn0.qspi_csn */
 240                         AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2)             /* gpmc_csn3.qspi_clk */
 241                         AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_advn_ale.qspi_d0 */
 242                         AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_oen_ren.qspi_d1 */
 243                         AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_wen.qspi_d2 */
 244                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_be0n_cle.qspi_d3 */
 245                 >;
 246         };
 247
 248         qspi_pins_sleep: qspi_pins_sleep{
 249                 pinctrl-single,pins = <
 250                         AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 251                         AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
 252                         AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
 253                         AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
 254                         AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
 255                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 256                 >;
 257         };
 258 };
 259
 260 &i2c0 {
 261         status = "okay";
 262         pinctrl-names = "default", "sleep";
 263         pinctrl-0 = <&i2c0_pins_default>;
 264         pinctrl-1 = <&i2c0_pins_sleep>;
 265         clock-frequency = <400000>;
 266
 267         at24@50 {
 268                 compatible = "at24,24c256";
 269                 pagesize = <64>;
 270                 reg = <0x50>;
 271         };
 272
 273         tps: tps62362@60 {
 274                 compatible = "ti,tps62362";
 275                 reg = <0x60>;
 276                 regulator-name = "VDD_MPU";
 277                 regulator-min-microvolt = <950000>;
 278                 regulator-max-microvolt = <1330000>;
 279                 regulator-boot-on;
 280                 regulator-always-on;
 281                 ti,vsel0-state-high;
 282                 ti,vsel1-state-high;
 283                 vin-supply = <&v3_3d>;
 284         };
 285 };
 286
 287 &i2c2 {
 288         status = "okay";
 289         pinctrl-names = "default", "sleep";
 290         pinctrl-0 = <&i2c2_pins_default>;
 291         pinctrl-1 = <&i2c2_pins_sleep>;
 292         clock-frequency = <100000>;
 293 };
 294
 295 &epwmss0 {
 296         status = "okay";
 297 };
 298
 299 &ecap0 {
 300         status = "okay";
 301         pinctrl-names = "default";
 302         pinctrl-0 = <&ecap0_pins_default>;
 303 };
 304
 305 &gpio0 {
 306         status = "okay";
 307 };
 308
 309 &gpio1 {
 310         status = "okay";
 311 };
 312
 313 &gpio4 {
 314         status = "okay";
 315 };
 316
 317 &gpio5 {
 318         status = "okay";
 319 };
 320
 321 &mmc1 {
 322         status = "okay";
 323         pinctrl-names = "default", "sleep";
 324         pinctrl-0 = <&mmc1_pins_default>;
 325         pinctrl-1 = <&mmc1_pins_sleep>;
 326         vmmc-supply = <&v3_3d>;
 327         bus-width = <4>;
 328         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 329 };
 330
 331 &qspi {
 332         status = "okay";
 333         pinctrl-names = "default", "sleep";
 334         pinctrl-0 = <&qspi_pins_default>;
 335         pinctrl-1 = <&qspi_pins_sleep>;
 336
 337         spi-max-frequency = <48000000>;
 338         m25p80@0 {
 339                 compatible = "mx66l51235l";
 340                 spi-max-frequency = <48000000>;
 341                 reg = <0>;
 342                 spi-cpol;
 343                 spi-cpha;
 344                 spi-tx-bus-width = <1>;
 345                 spi-rx-bus-width = <4>;
 346                 #address-cells = <1>;
 347                 #size-cells = <1>;
 348
 349                 /*
 350                  * MTD partition table.  The ROM checks the first 512KiB for a
 351                  * valid file to boot(XIP).
 352                  */
 353                 partition@0 {
 354                         label = "QSPI.U_BOOT";
 355                         reg = <0x00000000 0x000080000>;
 356                 };
 357                 partition@1 {
 358                         label = "QSPI.U_BOOT.backup";
 359                         reg = <0x00080000 0x00080000>;
 360                 };
 361                 partition@2 {
 362                         label = "QSPI.U-BOOT-SPL_OS";
 363                         reg = <0x00100000 0x00010000>;
 364                 };
 365                 partition@3 {
 366                         label = "QSPI.U_BOOT_ENV";
 367                         reg = <0x00110000 0x00010000>;
 368                 };
 369                 partition@4 {
 370                         label = "QSPI.U-BOOT-ENV.backup";
 371                         reg = <0x00120000 0x00010000>;
 372                 };
 373                 partition@5 {
 374                         label = "QSPI.KERNEL";
 375                         reg = <0x00130000 0x0800000>;
 376                 };
 377                 partition@6 {
 378                         label = "QSPI.FILESYSTEM";
 379                         reg = <0x00930000 0x36D0000>;
 380                 };
 381         };
 382 };
 383
 384 &mac {
 385         slaves = <1>;
 386         pinctrl-names = "default", "sleep";
 387         pinctrl-0 = <&cpsw_default>;
 388         pinctrl-1 = <&cpsw_sleep>;
 389         status = "okay";
 390 };
 391
 392 &davinci_mdio {
 393         pinctrl-names = "default", "sleep";
 394         pinctrl-0 = <&davinci_mdio_default>;
 395         pinctrl-1 = <&davinci_mdio_sleep>;
 396         status = "okay";
 397 };
 398
 399 &cpsw_emac0 {
 400         phy_id = <&davinci_mdio>, <0>;
 401         phy-mode = "rgmii";
 402 };
 403
 404 &rtc {
 405         clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
 406         clock-names = "ext-clk", "int-clk";
 407         status = "okay";
 408 };
 409
 410 &wdt {
 411         status = "okay";
 412 };
 413
 414 &cpu {
 415         cpu0-supply = <&tps>;
 416 };