arch/arm/boot/dts/am335x-osd3358-sm-red.dts

   1 //SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (C) 2018 Octavo Systems LLC - http://www.octavosystems.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 "am33xx.dtsi"
  12 #include "am335x-osd335x-common.dtsi"
  13 #include <dt-bindings/interrupt-controller/irq.h>
  14
  15 #include <dt-bindings/display/tda998x.h>
  16
  17 / {
  18         model = "Octavo Systems OSD3358-SM-RED";
  19         compatible = "oct,osd3358-sm-refdesign", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
  20 };
  21
  22 &ldo3_reg {
  23         regulator-min-microvolt = <1800000>;
  24         regulator-max-microvolt = <1800000>;
  25         regulator-always-on;
  26 };
  27
  28 &mmc1 {
  29         vmmc-supply = <&vmmcsd_fixed>;
  30 };
  31
  32 &mmc2 {
  33         vmmc-supply = <&vmmcsd_fixed>;
  34         pinctrl-names = "default";
  35         pinctrl-0 = <&emmc_pins>;
  36         bus-width = <8>;
  37         status = "okay";
  38 };
  39
  40 &am33xx_pinmux {
  41         nxp_hdmi_bonelt_pins: nxp-hdmi-bonelt-pins {
  42                 pinctrl-single,pins = <
  43                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr0 */
  44                         AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data0.lcd_data0 */
  45                         AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data1.lcd_data1 */
  46                         AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data2.lcd_data2 */
  47                         AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)             /* lcd_data3.lcd_data3 */
  48                         AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data4.lcd_data4 */
  49                         AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data5.lcd_data5 */
  50                         AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data6.lcd_data6 */
  51                         AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data7.lcd_data7 */
  52                         AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data8.lcd_data8 */
  53                         AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data9.lcd_data9 */
  54                         AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data10.lcd_data10 */
  55                         AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data11.lcd_data11 */
  56                         AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data12.lcd_data12 */
  57                         AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data13.lcd_data13 */
  58                         AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data14.lcd_data14 */
  59                         AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data15.lcd_data15 */
  60                         AM33XX_IOPAD(0x8e0, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_vsync.lcd_vsync */
  61                         AM33XX_IOPAD(0x8e4, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_hsync.lcd_hsync */
  62                         AM33XX_IOPAD(0x8e8, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_pclk.lcd_pclk */
  63                         AM33XX_IOPAD(0x8ec, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_ac_bias_en.lcd_ac_bias_en */
  64                 >;
  65         };
  66
  67         nxp_hdmi_bonelt_off_pins: nxp-hdmi-bonelt-off-pins {
  68                 pinctrl-single,pins = <
  69                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr0 */
  70                 >;
  71         };
  72
  73         mcasp0_pins: mcasp0-pins {
  74                 pinctrl-single,pins = <
  75                         AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
  76                         AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/
  77                         AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
  78                         AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
  79                         AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */
  80                 >;
  81         };
  82
  83         flash_enable: flash-enable {
  84                 pinctrl-single,pins = <
  85                         AM33XX_IOPAD(0x944, PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* rmii1_ref_clk.gpio0_29 */
  86                 >;
  87         };
  88
  89         imu_interrupt: imu-interrupt {
  90                 pinctrl-single,pins = <
  91                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)             /* mii1_rx_er.gpio3_2 */
  92                 >;
  93         };
  94
  95         ethernet_interrupt: ethernet-interrupt{
  96                 pinctrl-single,pins = <
  97                         AM33XX_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE7)             /* mii1_col.gpio3_0 */
  98                 >;
  99         };
 100 };
 101
 102 &lcdc {
 103         status = "okay";
 104
 105         /* If you want to get 24 bit RGB and 16 BGR mode instead of
 106          * current 16 bit RGB and 24 BGR modes, set the propety
 107          * below to "crossed" and uncomment the video-ports -property
 108          * in tda19988 node.
 109          * AM335x errata for wiring:
 110          * http://www.ti.com/lit/er/sprz360i/sprz360i.pdf
 111          */
 112
 113         blue-and-red-wiring = "straight";
 114
 115         port {
 116                 lcdc_0: endpoint {
 117                         remote-endpoint = <&hdmi_0>;
 118                 };
 119         };
 120 };
 121
 122 &i2c0 {
 123         tda19988: hdmi-encoder@70 {
 124                 compatible = "nxp,tda998x";
 125                 reg = <0x70>;
 126
 127                 pinctrl-names = "default", "off";
 128                 pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
 129                 pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
 130
 131                 /* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */
 132                 /* video-ports = <0x234501>; */
 133
 134                 #sound-dai-cells = <0>;
 135                 audio-ports = < TDA998x_I2S     0x03>;
 136
 137                 port {
 138                         hdmi_0: endpoint {
 139                                 remote-endpoint = <&lcdc_0>;
 140                         };
 141                 };
 142         };
 143
 144         mpu9250: imu@68 {
 145                 compatible = "invensense,mpu6050";
 146                 reg = <0x68>;
 147                 interrupt-parent = <&gpio3>;
 148                 interrupts = <21 IRQ_TYPE_EDGE_RISING>;
 149                 i2c-gate {
 150                         #address-cells = <1>;
 151                         #size-cells = <0>;
 152                         ax8975@c {
 153                                 compatible = "ak,ak8975";
 154                                 reg = <0x0c>;
 155                         };
 156                 };
 157                 /*invensense,int_config = <0x10>;
 158                 invensense,level_shifter = <0>;
 159                 invensense,orientation = [01 00 00 00 01 00 00 00 01];
 160                 invensense,sec_slave_type = <0>;
 161                 invensense,key = [4e cc 7e eb f6 1e 35 22 00 34 0d 65 32 e9 94 89];*/
 162         };
 163
 164         bmp280: pressure@76 {
 165                 compatible = "bosch,bmp280";
 166                 reg = <0x76>;
 167         };
 168 };
 169
 170 &rtc {
 171         system-power-controller;
 172 };
 173
 174 &mcasp0 {
 175         #sound-dai-cells = <0>;
 176         pinctrl-names = "default";
 177         pinctrl-0 = <&mcasp0_pins>;
 178         status = "okay";
 179         op-mode = <0>;  /* MCASP_IIS_MODE */
 180         tdm-slots = <2>;
 181         serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
 182                         0 0 1 0
 183                 >;
 184         tx-num-evt = <32>;
 185         rx-num-evt = <32>;
 186 };
 187
 188 / {
 189         clk_mcasp0_fixed: clk-mcasp0-fixed {
 190                 #clock-cells = <0>;
 191                 compatible = "fixed-clock";
 192                 clock-frequency = <24576000>;
 193         };
 194
 195         clk_mcasp0: clk-mcasp0 {
 196                 #clock-cells = <0>;
 197                 compatible = "gpio-gate-clock";
 198                 clocks = <&clk_mcasp0_fixed>;
 199                 enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */
 200         };
 201
 202         sound {
 203                 compatible = "simple-audio-card";
 204                 simple-audio-card,name = "TI BeagleBone Black";
 205                 simple-audio-card,format = "i2s";
 206                 simple-audio-card,bitclock-master = <&dailink0_master>;
 207                 simple-audio-card,frame-master = <&dailink0_master>;
 208
 209                 dailink0_master: simple-audio-card,cpu {
 210                         sound-dai = <&mcasp0>;
 211                         clocks = <&clk_mcasp0>;
 212                 };
 213
 214                 simple-audio-card,codec {
 215                         sound-dai = <&tda19988>;
 216                 };
 217         };
 218
 219         chosen {
 220                 stdout-path = &uart0;
 221         };
 222
 223         leds {
 224                 pinctrl-names = "default";
 225                 pinctrl-0 = <&user_leds_s0>;
 226
 227                 compatible = "gpio-leds";
 228
 229                 led2 {
 230                         label = "beaglebone:green:usr0";
 231                         gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
 232                         linux,default-trigger = "heartbeat";
 233                         default-state = "off";
 234                 };
 235
 236                 led3 {
 237                         label = "beaglebone:green:usr1";
 238                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
 239                         linux,default-trigger = "mmc0";
 240                         default-state = "off";
 241                 };
 242
 243                 led4 {
 244                         label = "beaglebone:green:usr2";
 245                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
 246                         linux,default-trigger = "cpu0";
 247                         default-state = "off";
 248                 };
 249
 250                 led5 {
 251                         label = "beaglebone:green:usr3";
 252                         gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
 253                         linux,default-trigger = "mmc1";
 254                         default-state = "off";
 255                 };
 256         };
 257
 258         vmmcsd_fixed: fixedregulator0 {
 259                 compatible = "regulator-fixed";
 260                 regulator-name = "vmmcsd_fixed";
 261                 regulator-min-microvolt = <3300000>;
 262                 regulator-max-microvolt = <3300000>;
 263         };
 264 };
 265
 266 &am33xx_pinmux {
 267         pinctrl-names = "default";
 268         pinctrl-0 = <&clkout2_pin>;
 269
 270         user_leds_s0: user-leds-s0 {
 271                 pinctrl-single,pins = <
 272                         AM33XX_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* gpmc_a5.gpio1_21 */
 273                         AM33XX_IOPAD(0x858, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a6.gpio1_22 */
 274                         AM33XX_IOPAD(0x85c, PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* gpmc_a7.gpio1_23 */
 275                         AM33XX_IOPAD(0x860, PIN_OUTPUT_PULLUP | MUX_MODE7)      /* gpmc_a8.gpio1_24 */
 276                 >;
 277         };
 278
 279         i2c2_pins: pinmux-i2c2-pins {
 280                 pinctrl-single,pins = <
 281                         AM33XX_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE3)       /* uart1_ctsn.i2c2_sda */
 282                         AM33XX_IOPAD(0x97c, PIN_INPUT_PULLUP | MUX_MODE3)       /* uart1_rtsn.i2c2_scl */
 283                 >;
 284         };
 285
 286         uart0_pins: pinmux-uart0-pins {
 287                 pinctrl-single,pins = <
 288                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
 289                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
 290                 >;
 291         };
 292
 293         clkout2_pin: pinmux-clkout2-pin {
 294                 pinctrl-single,pins = <
 295                         AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr1.clkout2 */
 296                 >;
 297         };
 298
 299         cpsw_default: cpsw-default {
 300                 pinctrl-single,pins = <
 301                         /* Slave 1 */
 302                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txen.rgmii1_tctl */
 303                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxdv.rgmii1_rctl */
 304                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd3.rgmii1_txd3 */
 305                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd2.rgmii1_txd2 */
 306                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_txd1 */
 307                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_txd0 */
 308                         AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txclk.rgmii1_txclk */
 309                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxclk.rgmii1_rxclk */
 310                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxd3.rgmii1_rxd3 */
 311                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxd2.rgmii1_rxd2 */
 312                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxd1.rgmii1_rxd1 */
 313                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)             /* mii1_rxd0.rgmii1_rxd0 */
 314                 >;
 315         };
 316
 317         cpsw_sleep: cpsw-sleep {
 318                 pinctrl-single,pins = <
 319                         /* Slave 1 reset value */
 320                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 321                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 322                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 323                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 324                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 325                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 326                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 327                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 328                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 329                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 330                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 331                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 332                 >;
 333         };
 334
 335         davinci_mdio_default: davinci-mdio-default {
 336                 pinctrl-single,pins = <
 337                         /* MDIO */
 338                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
 339                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
 340                 >;
 341         };
 342
 343         davinci_mdio_sleep: davinci-mdio-sleep {
 344                 pinctrl-single,pins = <
 345                         /* MDIO reset value */
 346                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 347                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 348                 >;
 349         };
 350
 351         mmc1_pins: pinmux-mmc1-pins {
 352                 pinctrl-single,pins = <
 353                         AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* (C15) spi0_cs1.gpio0[6] */
 354                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0) /* (G16) mmc0_dat0.mmc0_dat0 */
 355                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0) /* (G15) mmc0_dat1.mmc0_dat1 */
 356                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0) /* (F18) mmc0_dat2.mmc0_dat2 */
 357                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0) /* (F17) mmc0_dat3.mmc0_dat3 */
 358                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) /* (G18) mmc0_cmd.mmc0_cmd */
 359                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0) /* (G17) mmc0_clk.mmc0_clk */
 360                 >;
 361         };
 362
 363         emmc_pins: pinmux-emmc-pins {
 364                 pinctrl-single,pins = <
 365                         AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
 366                         AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
 367                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
 368                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
 369                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
 370                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
 371                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
 372                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
 373                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
 374                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
 375                 >;
 376         };
 377 };
 378
 379
 380 &uart0 {
 381         pinctrl-names = "default";
 382         pinctrl-0 = <&uart0_pins>;
 383
 384         status = "okay";
 385 };
 386
 387 &usb {
 388         status = "okay";
 389 };
 390
 391 &usb_ctrl_mod {
 392         status = "okay";
 393 };
 394
 395 &usb0_phy {
 396         status = "okay";
 397 };
 398
 399 &usb1_phy {
 400         status = "okay";
 401 };
 402
 403 &usb0 {
 404         status = "okay";
 405         dr_mode = "peripheral";
 406         interrupts-extended = <&intc 18 &tps 0>;
 407         interrupt-names = "mc", "vbus";
 408 };
 409
 410 &usb1 {
 411         status = "okay";
 412         dr_mode = "host";
 413 };
 414
 415 &cppi41dma  {
 416         status = "okay";
 417 };
 418
 419 &i2c2 {
 420         pinctrl-names = "default";
 421         pinctrl-0 = <&i2c2_pins>;
 422         status = "okay";
 423         clock-frequency = <100000>;
 424 };
 425
 426 &cpsw_emac0 {
 427         phy_id = <&davinci_mdio>, <4>;
 428         phy-mode = "rgmii-txid";
 429 };
 430
 431 &mac {
 432         slaves = <1>;
 433         pinctrl-names = "default", "sleep";
 434         pinctrl-0 = <&cpsw_default>;
 435         pinctrl-1 = <&cpsw_sleep>;
 436         status = "okay";
 437 };
 438
 439 &davinci_mdio {
 440         pinctrl-names = "default", "sleep";
 441         pinctrl-0 = <&davinci_mdio_default>;
 442         pinctrl-1 = <&davinci_mdio_sleep>;
 443         status = "okay";
 444 };
 445
 446 &mmc1 {
 447         status = "okay";
 448         bus-width = <0x4>;
 449         pinctrl-names = "default";
 450         pinctrl-0 = <&mmc1_pins>;
 451         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 452 };
 453
 454 &rtc {
 455         clocks = <&clk_32768_ck>, <&l4_per_clkctrl AM3_CLKDIV32K_CLKCTRL 0>;
 456         clock-names = "ext-clk", "int-clk";
 457 };