arch/arm/boot/dts/bcm2711-rpi-4-b.dts

   1 /dts-v1/;
   2
   3 #include "bcm2711.dtsi"
   4 #include "bcm2711-rpi.dtsi"
   5 #include "bcm283x-rpi-csi1-2lane.dtsi"
   6 #include <dt-bindings/input/input.h>
   7
   8 / {
   9         compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
  10         model = "Raspberry Pi 4 Model B";
  11
  12         memory@0 {
  13                 device_type = "memory";
  14                 reg = <0x0 0x0 0x0>;
  15         };
  16
  17         chosen {
  18                 bootargs = "coherent_pool=1M 8250.nr_uarts=1 cma=64M";
  19         };
  20
  21         aliases {
  22                 serial0 = &uart1;
  23                 serial1 = &uart0;
  24                 mmc0 = &emmc2;
  25                 mmc1 = &mmcnr;
  26                 mmc2 = &sdhost;
  27                 i2c3 = &i2c3;
  28                 i2c4 = &i2c4;
  29                 i2c5 = &i2c5;
  30                 i2c6 = &i2c6;
  31                 /delete-property/ ethernet;
  32                 /delete-property/ intc;
  33                 ethernet0 = &genet;
  34         };
  35
  36         rpi_backlight: rpi_backlight {
  37                 compatible = "raspberrypi,rpi-backlight";
  38                 firmware = <&firmware>;
  39                 status = "okay";
  40         };
  41
  42         rpi_ft5406: rpi_ft5406 {
  43                 compatible = "rpi,rpi-ft5406";
  44                 firmware = <&firmware>;
  45                 status = "okay";
  46         };
  47
  48         gpio-keys {
  49                 compatible = "gpio-keys";
  50
  51                 key-volume-up {
  52                         lable = "volume-up";
  53                         linux,code = <KEY_VOLUMEUP>;
  54                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  55                 };
  56
  57                 key-volume-down {
  58                         lable = "volume-down";
  59                         linux,code = <KEY_VOLUMEDOWN>;
  60                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  61                 };
  62
  63                 key-fastforward {
  64                         lable = "fastforward";
  65                         linux,code = <KEY_FASTFORWARD>;
  66                         gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
  67                 };
  68
  69                 key-rewind {
  70                         lable = "rewind";
  71                         linux,code = <KEY_REWIND>;
  72                         gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
  73                 };
  74
  75                 key-playpause {
  76                         lable = "playpause";
  77                         linux,code = <KEY_PLAYPAUSE>;
  78                         gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
  79                 };
  80         };
  81 };
  82
  83 &soc {
  84         virtgpio: virtgpio {
  85                 compatible = "brcm,bcm2835-virtgpio";
  86                 gpio-controller;
  87                 #gpio-cells = <2>;
  88                 firmware = <&firmware>;
  89                 status = "okay";
  90         };
  91 };
  92
  93 &mmcnr {
  94         pinctrl-names = "default";
  95         pinctrl-0 = <&sdio_pins>;
  96         bus-width = <4>;
  97         status = "okay";
  98 };
  99
 100 &firmware {
 101         expgpio: gpio {
 102                 compatible = "raspberrypi,firmware-gpio";
 103                 gpio-controller;
 104                 #gpio-cells = <2>;
 105                 gpio-line-names = "BT_ON",
 106                                   "WL_ON",
 107                                   "PWR_LED_OFF",
 108                                   "GLOBAL_RESET",
 109                                   "VDD_SD_IO_SEL",
 110                                   "CAM_GPIO",
 111                                   "",
 112                                   "";
 113                 status = "okay";
 114         };
 115 };
 116
 117 &uart0 {
 118         pinctrl-names = "default";
 119         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_pins &bt_pins>;
 120         status = "okay";
 121 };
 122
 123 &uart1 {
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&uart1_pins>;
 126         status = "okay";
 127 };
 128
 129 &usb {
 130         compatible = "brcm,bcm2835-usb";
 131         dr_mode = "peripheral";
 132         g-np-tx-fifo-size = <32>;
 133         g-rx-fifo-size = <256>;
 134         g-tx-fifo-size = <512 512 512 512 512 256 256>;
 135         g-extcon-always-on;
 136         status = "okay";
 137 };
 138
 139 &spi0 {
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 142         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 143         status = "okay";
 144
 145         spidev0: spidev@0{
 146                 compatible = "spidev";
 147                 reg = <0>;      /* CE0 */
 148                 #address-cells = <1>;
 149                 #size-cells = <0>;
 150                 spi-max-frequency = <125000000>;
 151         };
 152
 153         spidev1: spidev@1{
 154                 compatible = "spidev";
 155                 reg = <1>;      /* CE1 */
 156                 #address-cells = <1>;
 157                 #size-cells = <0>;
 158                 spi-max-frequency = <125000000>;
 159         };
 160 };
 161
 162 // =============================================
 163 // Board specific stuff here
 164
 165 / {
 166
 167         sd_io_1v8_reg: sd_io_1v8_reg {
 168                 status = "okay";
 169                 compatible = "regulator-gpio";
 170                 vin-supply = <&vdd_5v0_reg>;
 171                 regulator-name = "vdd-sd-io";
 172                 regulator-min-microvolt = <1800000>;
 173                 regulator-max-microvolt = <3300000>;
 174                 regulator-boot-on;
 175                 regulator-always-on;
 176                 regulator-settling-time-us = <5000>;
 177
 178                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
 179                 states = <1800000 0x1
 180                           3300000 0x0>;
 181         };
 182 };
 183
 184 &sdhost {
 185         status = "disabled";
 186 };
 187
 188 &emmc2 {
 189         status = "okay";
 190         broken-cd;
 191         vqmmc-supply = <&sd_io_1v8_reg>;
 192 };
 193
 194 &leds {
 195         act_led: act {
 196                 label = "led0";
 197                 linux,default-trigger = "mmc0";
 198                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 199         };
 200
 201         pwr_led: pwr {
 202                 label = "led1";
 203                 linux,default-trigger = "default-on";
 204                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 205         };
 206 };
 207
 208 &audio {
 209         pinctrl-names = "default";
 210         pinctrl-0 = <&audio_pins>;
 211         status = "okay";
 212 };
 213
 214 &sdhost_gpio48 {
 215         brcm,pins = <22 23 24 25 26 27>;
 216         brcm,function = <BCM2835_FSEL_ALT0>;
 217 };
 218
 219 &gpio {
 220         spi0_pins: spi0_pins {
 221                 brcm,pins = <9 10 11>;
 222                 brcm,function = <BCM2835_FSEL_ALT0>;
 223         };
 224
 225         spi0_cs_pins: spi0_cs_pins {
 226                 brcm,pins = <8 7>;
 227                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 228         };
 229
 230         spi3_pins: spi3_pins {
 231                 brcm,pins = <1 2 3>;
 232                 brcm,function = <BCM2835_FSEL_ALT3>;
 233         };
 234
 235         spi3_cs_pins: spi3_cs_pins {
 236                 brcm,pins = <0 24>;
 237                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 238         };
 239
 240         spi4_pins: spi4_pins {
 241                 brcm,pins = <5 6 7>;
 242                 brcm,function = <BCM2835_FSEL_ALT3>;
 243         };
 244
 245         spi4_cs_pins: spi4_cs_pins {
 246                 brcm,pins = <4 25>;
 247                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 248         };
 249
 250         spi5_pins: spi5_pins {
 251                 brcm,pins = <13 14 15>;
 252                 brcm,function = <BCM2835_FSEL_ALT3>;
 253         };
 254
 255         spi5_cs_pins: spi5_cs_pins {
 256                 brcm,pins = <12 26>;
 257                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 258         };
 259
 260         spi6_pins: spi6_pins {
 261                 brcm,pins = <19 20 21>;
 262                 brcm,function = <BCM2835_FSEL_ALT3>;
 263         };
 264
 265         spi6_cs_pins: spi6_cs_pins {
 266                 brcm,pins = <18 27>;
 267                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 268         };
 269
 270         i2c0_pins: i2c0 {
 271                 brcm,pins = <0 1>;
 272                 brcm,function = <BCM2835_FSEL_ALT0>;
 273                 brcm,pull = <BCM2835_PUD_UP>;
 274         };
 275
 276         i2c1_pins: i2c1 {
 277                 brcm,pins = <2 3>;
 278                 brcm,function = <BCM2835_FSEL_ALT0>;
 279                 brcm,pull = <BCM2835_PUD_UP>;
 280         };
 281
 282         i2c3_pins: i2c3 {
 283                 brcm,pins = <4 5>;
 284                 brcm,function = <BCM2835_FSEL_ALT5>;
 285                 brcm,pull = <BCM2835_PUD_UP>;
 286         };
 287
 288         i2c4_pins: i2c4 {
 289                 brcm,pins = <8 9>;
 290                 brcm,function = <BCM2835_FSEL_ALT5>;
 291                 brcm,pull = <BCM2835_PUD_UP>;
 292         };
 293
 294         i2c5_pins: i2c5 {
 295                 brcm,pins = <12 13>;
 296                 brcm,function = <BCM2835_FSEL_ALT5>;
 297                 brcm,pull = <BCM2835_PUD_UP>;
 298         };
 299
 300         i2c6_pins: i2c6 {
 301                 brcm,pins = <22 23>;
 302                 brcm,function = <BCM2835_FSEL_ALT5>;
 303                 brcm,pull = <BCM2835_PUD_UP>;
 304         };
 305
 306         i2s_pins: i2s {
 307                 brcm,pins = <18 19 20 21>;
 308                 brcm,function = <BCM2835_FSEL_ALT0>;
 309         };
 310
 311         sdio_pins: sdio_pins {
 312                 brcm,pins =     <34 35 36 37 38 39>;
 313                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 314                 brcm,pull =     <0 2 2 2 2 2>;
 315         };
 316
 317         bt_pins: bt_pins {
 318                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 319                                  // to fool pinctrl
 320                 brcm,function = <0>;
 321                 brcm,pull = <2>;
 322         };
 323
 324         uart0_pins: uart0_pins {
 325                 brcm,pins = <32 33>;
 326                 brcm,function = <BCM2835_FSEL_ALT3>;
 327                 brcm,pull = <0 2>;
 328         };
 329
 330         uart1_pins: uart1_pins {
 331                 brcm,pins;
 332                 brcm,function;
 333                 brcm,pull;
 334         };
 335
 336         uart2_pins: uart2_pins {
 337                 brcm,pins = <0 1>;
 338                 brcm,function = <BCM2835_FSEL_ALT4>;
 339                 brcm,pull = <0 2>;
 340         };
 341
 342         uart3_pins: uart3_pins {
 343                 brcm,pins = <4 5>;
 344                 brcm,function = <BCM2835_FSEL_ALT4>;
 345                 brcm,pull = <0 2>;
 346         };
 347
 348         uart4_pins: uart4_pins {
 349                 brcm,pins = <8 9>;
 350                 brcm,function = <BCM2835_FSEL_ALT4>;
 351                 brcm,pull = <0 2>;
 352         };
 353
 354         uart5_pins: uart5_pins {
 355                 brcm,pins = <12 13>;
 356                 brcm,function = <BCM2835_FSEL_ALT4>;
 357                 brcm,pull = <0 2>;
 358         };
 359
 360         audio_pins: audio_pins {
 361                 brcm,pins = <40 41>;
 362                 brcm,function = <4>;
 363         };
 364
 365         /* Needs to describe gpio settings at config.txt */
 366         key_volume_up: key_volume_up {
 367                 brcm,pins = <16>;
 368                 brcm,function = <1>; /* BCM2835_FSEL_GPIO_IN */
 369                 brcm,pull = <2>; /* BCM2835_PUD_UP */
 370         };
 371
 372         key_volume_down: key_volume_down {
 373                 brcm,pins = <13>;
 374                 brcm,function = <1>;
 375                 brcm,pull = <2>;
 376         };
 377
 378         key_fastforward: key_fastforward {
 379                 brcm,pins = <6>;
 380                 brcm,function = <1>;
 381                 brcm,pull = <2>;
 382         };
 383
 384         key_rewind: key_rewind {
 385                 brcm,pins = <12>;
 386                 brcm,function = <1>;
 387                 brcm,pull = <2>;
 388         };
 389
 390         key_playpause: key_playpause {
 391                 brcm,pins = <25>;
 392                 brcm,function = <1>;
 393                 brcm,pull = <2>;
 394         };
 395 };
 396
 397 &i2c0 {
 398         pinctrl-names = "default";
 399         pinctrl-0 = <&i2c0_pins>;
 400         clock-frequency = <100000>;
 401 };
 402
 403 &i2c1 {
 404         pinctrl-names = "default";
 405         pinctrl-0 = <&i2c1_pins>;
 406         clock-frequency = <100000>;
 407         status = "okay";
 408
 409         #address-cells = <1>;
 410         #size-cells = <0>;
 411
 412         ac108_a: ac108@3b{
 413                 compatible = "x-power,ac108_0";
 414                 reg = <0x3b>;
 415                 #sound-dai-cells = <0>;
 416                 data-protocol = <0>;
 417         };
 418 };
 419
 420 &i2c2 {
 421         clock-frequency = <100000>;
 422         status = "okay";
 423 };
 424
 425 &fb {
 426         status = "disabled";
 427 };
 428
 429 &firmwarekms {
 430         status = "okay";
 431 };
 432
 433 &v3d {
 434         status = "okay";
 435 };
 436
 437 &vc4 {
 438         status = "okay";
 439 };
 440
 441 &i2s {
 442         pinctrl-names = "default";
 443         pinctrl-0 = <&i2s_pins>;
 444
 445         #sound-dai-cells = <0>;
 446         status = "okay";
 447 };
 448
 449 &sound {
 450         compatible = "seeed-voicecard";
 451         seeed-voice-card,format = "dsp_a";
 452         seeed-voice-card,name = "seeed-4mic-voicecard";
 453         status = "okay";
 454
 455         seeed-voice-card,bitclock-master = <&codec_dai>;
 456         seeed-voice-card,frame-master = <&codec_dai>;
 457         seeed-voice-card,channels-playback-override = <4>;
 458         seeed-voice-card,channels-capture-override  = <4>;
 459
 460         cpu_dai: seeed-voice-card,cpu {
 461                 sound-dai = <&i2s>;
 462                 dai-tdm-slot-num     = <2>;
 463                 dai-tdm-slot-width   = <32>;
 464                 dai-tdm-slot-tx-mask = <1 1 0 0>;
 465                 dai-tdm-slot-rx-mask = <1 1 0 0>;
 466         };
 467         codec_dai: seeed-voice-card,codec {
 468                 sound-dai = <&ac108_a>;
 469                 system-clock-frequency = <24000000>;
 470         };
 471 };
 472
 473 / {
 474         __overrides__ {
 475                 act_led_gpio = <&act_led>,"gpios:4";
 476                 act_led_activelow = <&act_led>,"gpios:8";
 477                 act_led_trigger = <&act_led>,"linux,default-trigger";
 478
 479                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 480                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 481                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 482         };
 483 };