arch/arm/dts/am335x-pxm2.dtsi

   1 /*
   2  * Copyright (C) 2014 DENX Software Engineering GmbH
   3  * Heiko Schocher <hs@denx.de>
   4  *
   5  * Based on:
   6  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include "am33xx.dtsi"
  14 #include <dt-bindings/input/input.h>
  15
  16 / {
  17         chosen {
  18                 stdout-path = &uart0;
  19                 tick-timer = &timer2;
  20         };
  21
  22         cpus {
  23                 cpu@0 {
  24                         cpu0-supply = <&vdd1_reg>;
  25                 };
  26         };
  27
  28         backlight0: backlight {
  29                 compatible = "pwm-backlight";
  30                 pwms = <&ecap0 0 50000 0>;
  31                 brightness-levels = <0 2 5 7 10 12 15 17 20 22 25 28 30 33 35
  32                                      38 40 43 45 48 51 53 56 58 61 63 66 68 71
  33                                      73 76 79 81 84 86 89 91 94 96 99 102 104
  34                                      107 109 112 114 117 119 122 124 127 130
  35                                      132 135 137 140 142 145 147 150 153 155
  36                                      158 160 163 165 168 170 173 175 178 181
  37                                      183 186 188 191 193 196 198 201 204 206
  38                                      209 211 214 216 219 221 224 226 229 232
  39                                      234 237 239 242 244 247 249 252 255>;
  40                 default-brightness-level = <80>;
  41                 power-supply = <&backlight_reg>;
  42                 enable-gpios = <&gpio3 16 0>;
  43         };
  44
  45         backlight_reg: fixedregulator0 {
  46                 compatible = "regulator-fixed";
  47                 regulator-name = "backlight_reg";
  48                 regulator-boot-on;
  49         };
  50
  51         gpio_keys: restart-keys {
  52                 compatible = "gpio-keys";
  53                 #address-cells = <1>;
  54                 #size-cells = <0>;
  55                 autorepeat;
  56
  57                 restart0 {
  58                         label = "restart";
  59                         linux,code = <KEY_RESTART>;
  60                         gpios = <&gpio1 27 GPIO_ACTIVE_LOW>;
  61                         gpio-key,wakeup;
  62                 };
  63         };
  64
  65         leds {
  66                 compatible = "gpio-leds";
  67
  68                 led_blue {
  69                         label = "blue";
  70                         gpios = <&gpio3 20 0>;
  71                 };
  72                 led_green {
  73                         label = "green";
  74                         gpios = <&gpio1 31 0>;
  75                 };
  76                 led_red {
  77                         label = "red";
  78                         gpios = <&gpio3 21 0>;
  79                 };
  80         };
  81
  82         memory {
  83                 device_type = "memory";
  84                 reg = <0x80000000 0x10000000>; /* 256 MB */
  85         };
  86
  87         reg_lcd_3v3: fixedregulator1 {
  88                 compatible = "regulator-gpio";
  89                 regulator-name = "lcd-3v3";
  90                 regulator-min-microvolt = <1800000>;
  91                 regulator-max-microvolt = <3300000>;
  92                 regulator-type = "voltage";
  93                 startup-delay-us = <100>;
  94                 states = <1800000 0x1
  95                           2900000 0x0>;
  96                 enable-at-boot;
  97                 gpios = <&gpio3 19 0>;
  98                 enable-active-high;
  99         };
 100
 101         vbat: fixedregulator2 {
 102                 compatible = "regulator-fixed";
 103                 regulator-name = "vbat";
 104                 regulator-min-microvolt = <5000000>;
 105                 regulator-max-microvolt = <5000000>;
 106                 regulator-boot-on;
 107         };
 108
 109         vmmc: fixedregulator3 {
 110                 compatible = "regulator-fixed";
 111                 regulator-name = "vmmc";
 112                 regulator-min-microvolt = <3300000>;
 113                 regulator-max-microvolt = <3300000>;
 114         };
 115 };
 116
 117 &cppi41dma  {
 118         status = "okay";
 119 };
 120
 121 &cpsw_emac0 {
 122         phy_id = <&davinci_mdio>, <0>;
 123         phy-mode = "rgmii-txid";
 124 };
 125
 126 &cpsw_emac1 {
 127         phy_id = <&davinci_mdio>, <1>;
 128         phy-mode = "rgmii-txid";
 129 };
 130
 131 &davinci_mdio {
 132         pinctrl-names = "default", "sleep";
 133         pinctrl-0 = <&davinci_mdio_default>;
 134         pinctrl-1 = <&davinci_mdio_sleep>;
 135         status = "okay";
 136 };
 137
 138 &elm {
 139         status = "okay";
 140 };
 141
 142 &epwmss0 {
 143         status = "okay";
 144
 145         ecap0: ecap@48300100 {
 146                 status = "okay";
 147                 pinctrl-names = "default";
 148                 pinctrl-0 = <&ecap0_pins>;
 149         };
 150 };
 151
 152 &gpmc {
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&nandflash_pins>;
 155         status = "okay";
 156
 157         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 158
 159         nand@0,0 {
 160                 reg = <0 0 0>; /* CS0, offset 0 */
 161                 nand-bus-width = <8>;
 162                 ti,nand-ecc-opt = "bch8";
 163                 gpmc,device-nand = "true";
 164                 gpmc,device-width = <1>;
 165                 gpmc,sync-clk-ps = <0>;
 166                 gpmc,cs-on-ns = <0>;
 167                 gpmc,cs-rd-off-ns = <44>;
 168                 gpmc,cs-wr-off-ns = <44>;
 169                 gpmc,adv-on-ns = <6>;
 170                 gpmc,adv-rd-off-ns = <34>;
 171                 gpmc,adv-wr-off-ns = <44>;
 172                 gpmc,we-on-ns = <0>;
 173                 gpmc,we-off-ns = <40>;
 174                 gpmc,oe-on-ns = <0>;
 175                 gpmc,oe-off-ns = <54>;
 176                 gpmc,access-ns = <64>;
 177                 gpmc,rd-cycle-ns = <82>;
 178                 gpmc,wr-cycle-ns = <82>;
 179                 gpmc,wait-on-read = "true";
 180                 gpmc,wait-on-write = "true";
 181                 gpmc,bus-turnaround-ns = <0>;
 182                 gpmc,cycle2cycle-delay-ns = <0>;
 183                 gpmc,clk-activation-ns = <0>;
 184                 gpmc,wait-monitoring-ns = <0>;
 185                 gpmc,wr-access-ns = <40>;
 186                 gpmc,wr-data-mux-bus-ns = <0>;
 187
 188                 #address-cells = <1>;
 189                 #size-cells = <1>;
 190                 elm_id = <&elm>;
 191         };
 192 };
 193
 194 &i2c0 {
 195         pinctrl-names = "default";
 196         pinctrl-0 = <&i2c0_pins>;
 197         clock-frequency = <400000>;
 198         status = "okay";
 199
 200         tps: tps@2d {
 201                 reg = <0x2d>;
 202         };
 203         eeprom: eeprom@50 {
 204                 compatible = "atmel,24c128";
 205                 reg = <0x50>;
 206                 pagesize = <32>;
 207         };
 208 };
 209
 210 &i2c1 {
 211         pinctrl-names = "default";
 212         pinctrl-0 = <&i2c1_pins>;
 213         clock-frequency = <100000>;
 214         status = "okay";
 215
 216         tsl2563: tsl2563@49 {
 217                 compatible = "amstaos,tsl2563";
 218                 reg = <0x49>;
 219         };
 220 };
 221
 222 &i2c2 {
 223         pinctrl-names = "default";
 224         pinctrl-0 = <&i2c2_pins>;
 225         clock-frequency = <100000>;
 226         status = "okay";
 227
 228         egalax_ts@04 {
 229                 compatible = "eeti,egalax_ts";
 230                 reg = <0x04>;
 231                 interrupt-parent = <&gpio1>;
 232                 interrupts = <24 2>;
 233                 wakeup-gpios = <&gpio1 25 0>;
 234         };
 235 };
 236
 237 &lcdc {
 238         status = "okay";
 239 };
 240
 241 &mac {
 242         pinctrl-names = "default", "sleep";
 243         pinctrl-0 = <&cpsw_default>;
 244         pinctrl-1 = <&cpsw_sleep>;
 245         status = "okay";
 246 };
 247
 248 &mmc1 {
 249         vmmc-supply = <&vmmc>;
 250         bus-width = <4>;
 251         cd-gpios = <&gpio0 6 0>;
 252         wp-gpios = <&gpio3 18 0>;
 253         status = "okay";
 254 };
 255
 256 &phy_sel {
 257         rgmii-no-delay;
 258 };
 259
 260 #include "tps65910.dtsi"
 261
 262 &tps {
 263         vcc1-supply = <&vbat>;
 264         vcc2-supply = <&vbat>;
 265         vcc3-supply = <&vbat>;
 266         vcc4-supply = <&vbat>;
 267         vcc5-supply = <&vbat>;
 268         vcc6-supply = <&vbat>;
 269         vcc7-supply = <&vbat>;
 270         vccio-supply = <&vbat>;
 271
 272         regulators {
 273                 vrtc_reg: regulator@0 {
 274                         regulator-always-on;
 275                 };
 276
 277                 vio_reg: regulator@1 {
 278                         regulator-always-on;
 279                 };
 280
 281                 vdd1_reg: regulator@2 {
 282                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 283                         regulator-name = "vdd_mpu";
 284                         regulator-min-microvolt = <912500>;
 285                         regulator-max-microvolt = <1312500>;
 286                         regulator-boot-on;
 287                         regulator-always-on;
 288                 };
 289
 290                 vdd2_reg: regulator@3 {
 291                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 292                         regulator-name = "vdd_core";
 293                         regulator-min-microvolt = <912500>;
 294                         regulator-max-microvolt = <1150000>;
 295                         regulator-boot-on;
 296                         regulator-always-on;
 297                 };
 298
 299                 vdd3_reg: regulator@4 {
 300                         regulator-always-on;
 301                 };
 302
 303                 vdig1_reg: regulator@5 {
 304                         regulator-always-on;
 305                 };
 306
 307                 vdig2_reg: regulator@6 {
 308                         regulator-always-on;
 309                 };
 310
 311                 vpll_reg: regulator@7 {
 312                         regulator-always-on;
 313                 };
 314
 315                 vdac_reg: regulator@8 {
 316                         regulator-always-on;
 317                 };
 318
 319                 vaux1_reg: regulator@9 {
 320                         regulator-always-on;
 321                 };
 322
 323                 vaux2_reg: regulator@10 {
 324                         regulator-always-on;
 325                 };
 326
 327                 vaux33_reg: regulator@11 {
 328                         regulator-always-on;
 329                 };
 330
 331                 vmmc_reg: regulator@12 {
 332                         regulator-min-microvolt = <1800000>;
 333                         regulator-max-microvolt = <3300000>;
 334                         regulator-always-on;
 335                 };
 336         };
 337 };
 338
 339 &uart0 {
 340         pinctrl-names = "default";
 341         pinctrl-0 = <&uart0_pins>;
 342
 343         status = "okay";
 344 };
 345
 346 &usb {
 347         status = "okay";
 348 };
 349
 350 &usb_ctrl_mod {
 351         status = "okay";
 352 };
 353
 354 &usb0 {
 355         status = "okay";
 356 };
 357
 358 &usb1 {
 359         dr_mode = "host";
 360         status = "okay";
 361 };
 362
 363 &usb0_phy {
 364         status = "okay";
 365 };
 366
 367 &usb1_phy {
 368         status = "okay";
 369 };
 370
 371 &am33xx_pinmux {
 372         pinctrl-names = "default";
 373         pinctrl-0 = <&clkout2_pin &gpio_pin>;
 374
 375         clkout2_pin: pinmux_clkout2_pin {
 376                 pinctrl-single,pins = <
 377                         0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
 378                 >;
 379         };
 380
 381         cpsw_default: cpsw_default {
 382                 pinctrl-single,pins = <
 383                         /* Slave 1 */
 384                         0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_tctl */
 385                         0x118 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxdv.rgmii1_rctl */
 386                         0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd3.rgmii1_td3 */
 387                         0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd2.rgmii1_td2 */
 388                         0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_td1 */
 389                         0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_td0 */
 390                         0x12c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rgmii1_tclk */
 391                         0x130 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxclk.rgmii1_rclk */
 392                         0x134 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd3.rgmii1_rd3 */
 393                         0x138 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd2.rgmii1_rd2 */
 394                         0x13c (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd1.rgmii1_rd1 */
 395                         0x140 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd0.rgmii1_rd0 */
 396                 >;
 397         };
 398
 399         cpsw_sleep: cpsw_sleep {
 400                 pinctrl-single,pins = <
 401                         /* Slave 1 reset value */
 402                         0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 403                         0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 404                         0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 405                         0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 406                         0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 407                         0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 408                         0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 409                         0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 410                         0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 411                         0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 412                         0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 413                         0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 414                 >;
 415         };
 416
 417         davinci_mdio_default: davinci_mdio_default {
 418                 pinctrl-single,pins = <
 419                         /* MDIO */
 420                         0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)    /* mdio_data.mdio_data */
 421                         0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0)                   /* mdio_clk.mdio_clk */
 422                 >;
 423         };
 424
 425         davinci_mdio_sleep: davinci_mdio_sleep {
 426                 pinctrl-single,pins = <
 427                         /* MDIO reset value */
 428                         0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 429                         0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 430                 >;
 431         };
 432
 433         ecap0_pins: ecap_pins {
 434                 pinctrl-single,pins = <
 435                         0x198 (PIN_OUTPUT_PULLUP | MUX_MODE7)   /* mcasp0_axr0.gpio3_16 Backlight enable */
 436                         0x164 (MUX_MODE0)       /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
 437                 >;
 438         };
 439
 440
 441         gpio_pin: gpio_pin {
 442                 pinctrl-single,pins = <
 443                         0x58 (PIN_OUTPUT_PULLUP | MUX_MODE7)    /* gpmc_a6.gpio1_22 touch reset */
 444                         0x60 (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_a8.gpio1_24 touch irq */
 445                         0x64 (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_a9.gpio1_25 touch power */
 446                         0x6c (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_a11.gpio1_27 pad14 to DFU */
 447                         0x21c (MUX_MODE0)       /* usb0_drvvbus */
 448                         0x234 (MUX_MODE0)       /* usb1_drvvbus */
 449                         0x1a0 (PIN_INPUT_PULLUP | MUX_MODE4)    /* mcasp0_aclkr.mmc0_sdwp */
 450                         0x160 (PIN_INPUT_PULLUP | MUX_MODE5)    /* spi0_cs1.mmc0_sdcd */
 451                 >;
 452         };
 453
 454         i2c0_pins: pinmux_i2c0_pins {
 455                 pinctrl-single,pins = <
 456                         0x188 (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_sda.i2c0_sda */
 457                         0x18c (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_scl.i2c0_scl */
 458                 >;
 459         };
 460
 461         i2c1_pins: pinmux_i2c1_pins {
 462                 pinctrl-single,pins = <
 463                         0x158 (PIN_INPUT_PULLUP | MUX_MODE2)    /* spi0_d1.i2c1_sda */
 464                         0x15c (PIN_INPUT_PULLUP | MUX_MODE2)    /* spi0_cs0.i2c1_scl */
 465                 >;
 466         };
 467
 468         i2c2_pins: pinmux_i2c2_pins {
 469                 pinctrl-single,pins = <
 470                         0x150 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)    /* spi0_sclk.i2c2_sda */
 471                         0x154 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)    /* spi0_cs0.i2c2_scl */
 472                 >;
 473         };
 474
 475         lcd_pins_s0: lcd_pins_s0 {
 476                 pinctrl-single,pins = <
 477                         0x20 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad8.lcd_data23 */
 478                         0x24 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad9.lcd_data22 */
 479                         0x28 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad10.lcd_data21 */
 480                         0x2c (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad11.lcd_data20 */
 481                         0x30 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad12.lcd_data19 */
 482                         0x34 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad13.lcd_data18 */
 483                         0x38 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad14.lcd_data17 */
 484                         0x3c (PIN_OUTPUT_PULLDOWN | MUX_MODE1)  /* gpmc_ad15.lcd_data16 */
 485                         0xa0 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data0.lcd_data0 */
 486                         0xa4 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data1.lcd_data1 */
 487                         0xa8 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data2.lcd_data2 */
 488                         0xac (PIN_OUTPUT | MUX_MODE0)           /* lcd_data3.lcd_data3 */
 489                         0xb0 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data4.lcd_data4 */
 490                         0xb4 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data5.lcd_data5 */
 491                         0xb8 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data6.lcd_data6 */
 492                         0xbc (PIN_OUTPUT | MUX_MODE0)           /* lcd_data7.lcd_data7 */
 493                         0xc0 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data8.lcd_data8 */
 494                         0xc4 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data9.lcd_data9 */
 495                         0xc8 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data10.lcd_data10 */
 496                         0xcc (PIN_OUTPUT | MUX_MODE0)           /* lcd_data11.lcd_data11 */
 497                         0xd0 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data12.lcd_data12 */
 498                         0xd4 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data13.lcd_data13 */
 499                         0xd8 (PIN_OUTPUT | MUX_MODE0)           /* lcd_data14.lcd_data14 */
 500                         0xdc (PIN_OUTPUT | MUX_MODE0)           /* lcd_data15.lcd_data15 */
 501                         0xe0 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)  /* lcd_vsync.lcd_vsync */
 502                         0xe4 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)  /* lcd_hsync.lcd_hsync */
 503                         0xe8 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)  /* lcd_pclk.lcd_pclk */
 504                         0xec (PIN_OUTPUT_PULLDOWN | MUX_MODE0)  /* lcd_ac_bias_en.lcd_ac_bias_en */
 505                         0x194 (PIN_OUTPUT_PULLUP | MUX_MODE7)   /* mcasp0_fsx.gpio3_15 LCD enable */
 506                 >;
 507         };
 508
 509         nandflash_pins: pinmux_nandflash_pins {
 510                 pinctrl-single,pins = <
 511                         0x0 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad0.gpmc_ad0 */
 512                         0x4 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad1.gpmc_ad1 */
 513                         0x8 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad2.gpmc_ad2 */
 514                         0xc (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad3.gpmc_ad3 */
 515                         0x10 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad4.gpmc_ad4 */
 516                         0x14 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad5.gpmc_ad5 */
 517                         0x18 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad6.gpmc_ad6 */
 518                         0x1c (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad7.gpmc_ad7 */
 519                         0x70 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_wait0.gpmc_wait0 */
 520                         0x74 (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_wpn.gpio0_30 */
 521                         0x7c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_csn0.gpmc_csn0 */
 522                         0x90 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_advn_ale.gpmc_advn_ale */
 523                         0x94 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_oen_ren.gpmc_oen_ren */
 524                         0x98 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_wen.gpmc_wen */
 525                         0x9c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_be0n_cle.gpmc_be0n_cle */
 526                 >;
 527         };
 528
 529         uart0_pins: pinmux_uart0_pins {
 530                 pinctrl-single,pins = <
 531                         0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
 532                         0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
 533                 >;
 534         };
 535 };
 536
 537 &wdt2 {
 538         wdt-keep-enabled;
 539 };