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         #address-cells = <1>;
  95         #size-cells = <0>;
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&sdio_pins>;
  98         bus-width = <4>;
  99         status = "okay";
 100         brcmf: wifi@1 {
 101                 reg = <1>;
 102                 compatible = "brcm,bcm4329-fmac";
 103                 brcm,feature-disable = <0x2000>; /* BIT[13] : sup-wpa */
 104         };
 105 };
 106
 107 &firmware {
 108         expgpio: gpio {
 109                 compatible = "raspberrypi,firmware-gpio";
 110                 gpio-controller;
 111                 #gpio-cells = <2>;
 112                 gpio-line-names = "BT_ON",
 113                                   "WL_ON",
 114                                   "PWR_LED_OFF",
 115                                   "GLOBAL_RESET",
 116                                   "VDD_SD_IO_SEL",
 117                                   "CAM_GPIO",
 118                                   "",
 119                                   "";
 120                 status = "okay";
 121         };
 122 };
 123
 124 &uart0 {
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_pins &bt_pins>;
 127         status = "okay";
 128 };
 129
 130 &uart1 {
 131         pinctrl-names = "default";
 132         pinctrl-0 = <&uart1_pins>;
 133         status = "okay";
 134 };
 135
 136 &usb {
 137         compatible = "brcm,bcm2835-usb";
 138         dr_mode = "peripheral";
 139         g-np-tx-fifo-size = <32>;
 140         g-rx-fifo-size = <256>;
 141         g-tx-fifo-size = <512 512 512 512 512 256 256>;
 142         g-extcon-always-on;
 143         status = "okay";
 144 };
 145
 146 &spi0 {
 147         pinctrl-names = "default";
 148         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 149         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 150         status = "okay";
 151
 152         spidev0: spidev@0{
 153                 compatible = "spidev";
 154                 reg = <0>;      /* CE0 */
 155                 #address-cells = <1>;
 156                 #size-cells = <0>;
 157                 spi-max-frequency = <125000000>;
 158         };
 159
 160         spidev1: spidev@1{
 161                 compatible = "spidev";
 162                 reg = <1>;      /* CE1 */
 163                 #address-cells = <1>;
 164                 #size-cells = <0>;
 165                 spi-max-frequency = <125000000>;
 166         };
 167 };
 168
 169 // =============================================
 170 // Board specific stuff here
 171
 172 / {
 173
 174         sd_io_1v8_reg: sd_io_1v8_reg {
 175                 status = "okay";
 176                 compatible = "regulator-gpio";
 177                 vin-supply = <&vdd_5v0_reg>;
 178                 regulator-name = "vdd-sd-io";
 179                 regulator-min-microvolt = <1800000>;
 180                 regulator-max-microvolt = <3300000>;
 181                 regulator-boot-on;
 182                 regulator-always-on;
 183                 regulator-settling-time-us = <5000>;
 184
 185                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
 186                 states = <1800000 0x1
 187                           3300000 0x0>;
 188         };
 189 };
 190
 191 &sdhost {
 192         status = "disabled";
 193 };
 194
 195 &emmc2 {
 196         status = "okay";
 197         broken-cd;
 198         vqmmc-supply = <&sd_io_1v8_reg>;
 199 };
 200
 201 &leds {
 202         act_led: act {
 203                 label = "led0";
 204                 linux,default-trigger = "mmc0";
 205                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 206         };
 207
 208         pwr_led: pwr {
 209                 label = "led1";
 210                 linux,default-trigger = "default-on";
 211                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 212         };
 213 };
 214
 215 &audio {
 216         pinctrl-names = "default";
 217         pinctrl-0 = <&audio_pins>;
 218         status = "okay";
 219 };
 220
 221 &sdhost_gpio48 {
 222         brcm,pins = <22 23 24 25 26 27>;
 223         brcm,function = <BCM2835_FSEL_ALT0>;
 224 };
 225
 226 &gpio {
 227         spi0_pins: spi0_pins {
 228                 brcm,pins = <9 10 11>;
 229                 brcm,function = <BCM2835_FSEL_ALT0>;
 230         };
 231
 232         spi0_cs_pins: spi0_cs_pins {
 233                 brcm,pins = <8 7>;
 234                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 235         };
 236
 237         spi3_pins: spi3_pins {
 238                 brcm,pins = <1 2 3>;
 239                 brcm,function = <BCM2835_FSEL_ALT3>;
 240         };
 241
 242         spi3_cs_pins: spi3_cs_pins {
 243                 brcm,pins = <0 24>;
 244                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 245         };
 246
 247         spi4_pins: spi4_pins {
 248                 brcm,pins = <5 6 7>;
 249                 brcm,function = <BCM2835_FSEL_ALT3>;
 250         };
 251
 252         spi4_cs_pins: spi4_cs_pins {
 253                 brcm,pins = <4 25>;
 254                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 255         };
 256
 257         spi5_pins: spi5_pins {
 258                 brcm,pins = <13 14 15>;
 259                 brcm,function = <BCM2835_FSEL_ALT3>;
 260         };
 261
 262         spi5_cs_pins: spi5_cs_pins {
 263                 brcm,pins = <12 26>;
 264                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 265         };
 266
 267         spi6_pins: spi6_pins {
 268                 brcm,pins = <19 20 21>;
 269                 brcm,function = <BCM2835_FSEL_ALT3>;
 270         };
 271
 272         spi6_cs_pins: spi6_cs_pins {
 273                 brcm,pins = <18 27>;
 274                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 275         };
 276
 277         i2c0_pins: i2c0 {
 278                 brcm,pins = <0 1>;
 279                 brcm,function = <BCM2835_FSEL_ALT0>;
 280                 brcm,pull = <BCM2835_PUD_UP>;
 281         };
 282
 283         i2c1_pins: i2c1 {
 284                 brcm,pins = <2 3>;
 285                 brcm,function = <BCM2835_FSEL_ALT0>;
 286                 brcm,pull = <BCM2835_PUD_UP>;
 287         };
 288
 289         i2c3_pins: i2c3 {
 290                 brcm,pins = <4 5>;
 291                 brcm,function = <BCM2835_FSEL_ALT5>;
 292                 brcm,pull = <BCM2835_PUD_UP>;
 293         };
 294
 295         i2c4_pins: i2c4 {
 296                 brcm,pins = <8 9>;
 297                 brcm,function = <BCM2835_FSEL_ALT5>;
 298                 brcm,pull = <BCM2835_PUD_UP>;
 299         };
 300
 301         i2c5_pins: i2c5 {
 302                 brcm,pins = <12 13>;
 303                 brcm,function = <BCM2835_FSEL_ALT5>;
 304                 brcm,pull = <BCM2835_PUD_UP>;
 305         };
 306
 307         i2c6_pins: i2c6 {
 308                 brcm,pins = <22 23>;
 309                 brcm,function = <BCM2835_FSEL_ALT5>;
 310                 brcm,pull = <BCM2835_PUD_UP>;
 311         };
 312
 313         i2s_pins: i2s {
 314                 brcm,pins = <18 19 20 21>;
 315                 brcm,function = <BCM2835_FSEL_ALT0>;
 316         };
 317
 318         sdio_pins: sdio_pins {
 319                 brcm,pins =     <34 35 36 37 38 39>;
 320                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 321                 brcm,pull =     <0 2 2 2 2 2>;
 322         };
 323
 324         bt_pins: bt_pins {
 325                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 326                                  // to fool pinctrl
 327                 brcm,function = <0>;
 328                 brcm,pull = <2>;
 329         };
 330
 331         uart0_pins: uart0_pins {
 332                 brcm,pins = <32 33>;
 333                 brcm,function = <BCM2835_FSEL_ALT3>;
 334                 brcm,pull = <0 2>;
 335         };
 336
 337         uart1_pins: uart1_pins {
 338                 brcm,pins;
 339                 brcm,function;
 340                 brcm,pull;
 341         };
 342
 343         uart2_pins: uart2_pins {
 344                 brcm,pins = <0 1>;
 345                 brcm,function = <BCM2835_FSEL_ALT4>;
 346                 brcm,pull = <0 2>;
 347         };
 348
 349         uart3_pins: uart3_pins {
 350                 brcm,pins = <4 5>;
 351                 brcm,function = <BCM2835_FSEL_ALT4>;
 352                 brcm,pull = <0 2>;
 353         };
 354
 355         uart4_pins: uart4_pins {
 356                 brcm,pins = <8 9>;
 357                 brcm,function = <BCM2835_FSEL_ALT4>;
 358                 brcm,pull = <0 2>;
 359         };
 360
 361         uart5_pins: uart5_pins {
 362                 brcm,pins = <12 13>;
 363                 brcm,function = <BCM2835_FSEL_ALT4>;
 364                 brcm,pull = <0 2>;
 365         };
 366
 367         audio_pins: audio_pins {
 368                 brcm,pins = <40 41>;
 369                 brcm,function = <4>;
 370         };
 371
 372         /* Needs to describe gpio settings at config.txt */
 373         key_volume_up: key_volume_up {
 374                 brcm,pins = <16>;
 375                 brcm,function = <1>; /* BCM2835_FSEL_GPIO_IN */
 376                 brcm,pull = <2>; /* BCM2835_PUD_UP */
 377         };
 378
 379         key_volume_down: key_volume_down {
 380                 brcm,pins = <13>;
 381                 brcm,function = <1>;
 382                 brcm,pull = <2>;
 383         };
 384
 385         key_fastforward: key_fastforward {
 386                 brcm,pins = <6>;
 387                 brcm,function = <1>;
 388                 brcm,pull = <2>;
 389         };
 390
 391         key_rewind: key_rewind {
 392                 brcm,pins = <12>;
 393                 brcm,function = <1>;
 394                 brcm,pull = <2>;
 395         };
 396
 397         key_playpause: key_playpause {
 398                 brcm,pins = <25>;
 399                 brcm,function = <1>;
 400                 brcm,pull = <2>;
 401         };
 402 };
 403
 404 &i2c0 {
 405         pinctrl-names = "default";
 406         pinctrl-0 = <&i2c0_pins>;
 407         clock-frequency = <100000>;
 408 };
 409
 410 &i2c1 {
 411         pinctrl-names = "default";
 412         pinctrl-0 = <&i2c1_pins>;
 413         clock-frequency = <100000>;
 414         status = "okay";
 415
 416         #address-cells = <1>;
 417         #size-cells = <0>;
 418
 419         ac108_a: ac108@3b{
 420                 compatible = "x-power,ac108_0";
 421                 reg = <0x3b>;
 422                 #sound-dai-cells = <0>;
 423                 data-protocol = <0>;
 424         };
 425 };
 426
 427 &i2c2 {
 428         clock-frequency = <100000>;
 429         status = "okay";
 430 };
 431
 432 &fb {
 433         status = "disabled";
 434 };
 435
 436 &firmwarekms {
 437         status = "okay";
 438 };
 439
 440 &v3d {
 441         status = "okay";
 442 };
 443
 444 &vc4 {
 445         status = "okay";
 446 };
 447
 448 &i2s {
 449         pinctrl-names = "default";
 450         pinctrl-0 = <&i2s_pins>;
 451
 452         #sound-dai-cells = <0>;
 453         status = "okay";
 454 };
 455
 456 &sound {
 457         compatible = "seeed-voicecard";
 458         seeed-voice-card,format = "dsp_a";
 459         seeed-voice-card,name = "seeed-4mic-voicecard";
 460         status = "okay";
 461
 462         seeed-voice-card,bitclock-master = <&codec_dai>;
 463         seeed-voice-card,frame-master = <&codec_dai>;
 464         seeed-voice-card,channels-playback-override = <4>;
 465         seeed-voice-card,channels-capture-override  = <4>;
 466
 467         cpu_dai: seeed-voice-card,cpu {
 468                 sound-dai = <&i2s>;
 469                 dai-tdm-slot-num     = <2>;
 470                 dai-tdm-slot-width   = <32>;
 471                 dai-tdm-slot-tx-mask = <1 1 0 0>;
 472                 dai-tdm-slot-rx-mask = <1 1 0 0>;
 473         };
 474         codec_dai: seeed-voice-card,codec {
 475                 sound-dai = <&ac108_a>;
 476                 system-clock-frequency = <24000000>;
 477         };
 478 };
 479
 480 / {
 481         __overrides__ {
 482                 act_led_gpio = <&act_led>,"gpios:4";
 483                 act_led_activelow = <&act_led>,"gpios:8";
 484                 act_led_trigger = <&act_led>,"linux,default-trigger";
 485
 486                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 487                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 488                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 489         };
 490 };