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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2711.dtsi"
   4 #include "bcm2711-rpi.dtsi"
   5 //#include "bcm283x-rpi-usb-peripheral.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         chosen {
  13                 /* 8250 auxiliary UART instead of pl011 */
  14                 stdout-path = "serial1:115200n8";
  15         };
  16
  17         gpio-keys {
  18                 compatible = "gpio-keys";
  19
  20                 key-volume-up {
  21                         lable = "volume-up";
  22                         linux,code = <KEY_VOLUMEUP>;
  23                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  24                 };
  25
  26                 key-volume-down {
  27                         lable = "volume-down";
  28                         linux,code = <KEY_VOLUMEDOWN>;
  29                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  30                 };
  31
  32                 key-fastforward {
  33                         lable = "fastforward";
  34                         linux,code = <KEY_FASTFORWARD>;
  35                         gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
  36                 };
  37
  38                 key-rewind {
  39                         lable = "rewind";
  40                         linux,code = <KEY_REWIND>;
  41                         gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
  42                 };
  43
  44                 key-playpause {
  45                         lable = "playpause";
  46                         linux,code = <KEY_PLAYPAUSE>;
  47                         gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
  48                 };
  49         };
  50
  51         leds {
  52                 led-act {
  53                         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
  54                 };
  55
  56                 led-pwr {
  57                         label = "PWR";
  58                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  59                         default-state = "keep";
  60                         linux,default-trigger = "default-on";
  61                 };
  62         };
  63
  64         wifi_pwrseq: wifi-pwrseq {
  65                 compatible = "mmc-pwrseq-simple";
  66                 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
  67         };
  68
  69         sd_io_1v8_reg: sd_io_1v8_reg {
  70                 compatible = "regulator-gpio";
  71                 regulator-name = "vdd-sd-io";
  72                 regulator-min-microvolt = <1800000>;
  73                 regulator-max-microvolt = <3300000>;
  74                 regulator-boot-on;
  75                 regulator-always-on;
  76                 regulator-settling-time-us = <5000>;
  77                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  78                 states = <1800000 0x1>,
  79                          <3300000 0x0>;
  80                 status = "okay";
  81         };
  82
  83         sd_vcc_reg: sd_vcc_reg {
  84                 compatible = "regulator-fixed";
  85                 regulator-name = "vcc-sd";
  86                 regulator-min-microvolt = <3300000>;
  87                 regulator-max-microvolt = <3300000>;
  88                 regulator-boot-on;
  89                 enable-active-high;
  90                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  91         };
  92 };
  93
  94 &ddc0 {
  95         status = "okay";
  96 };
  97
  98 &ddc1 {
  99         status = "okay";
 100 };
 101
 102 &expgpio {
 103         gpio-line-names = "BT_ON",
 104                           "WL_ON",
 105                           "PWR_LED_OFF",
 106                           "GLOBAL_RESET",
 107                           "VDD_SD_IO_SEL",
 108                           "CAM_GPIO",
 109                           "SD_PWR_ON",
 110                           "SD_OC_N";
 111 };
 112
 113 &gpio {
 114         /*
 115          * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
 116          * the official GPU firmware DT blob.
 117          *
 118          * Legend:
 119          * "FOO" = GPIO line named "FOO" on the schematic
 120          * "FOO_N" = GPIO line named "FOO" on schematic, active low
 121          */
 122         gpio-line-names = "ID_SDA",
 123                           "ID_SCL",
 124                           "SDA1",
 125                           "SCL1",
 126                           "GPIO_GCLK",
 127                           "GPIO5",
 128                           "GPIO6",
 129                           "SPI_CE1_N",
 130                           "SPI_CE0_N",
 131                           "SPI_MISO",
 132                           "SPI_MOSI",
 133                           "SPI_SCLK",
 134                           "GPIO12",
 135                           "GPIO13",
 136                           /* Serial port */
 137                           "TXD1",
 138                           "RXD1",
 139                           "GPIO16",
 140                           "GPIO17",
 141                           "GPIO18",
 142                           "GPIO19",
 143                           "GPIO20",
 144                           "GPIO21",
 145                           "GPIO22",
 146                           "GPIO23",
 147                           "GPIO24",
 148                           "GPIO25",
 149                           "GPIO26",
 150                           "GPIO27",
 151                           "RGMII_MDIO",
 152                           "RGMIO_MDC",
 153                           /* Used by BT module */
 154                           "CTS0",
 155                           "RTS0",
 156                           "TXD0",
 157                           "RXD0",
 158                           /* Used by Wifi */
 159                           "SD1_CLK",
 160                           "SD1_CMD",
 161                           "SD1_DATA0",
 162                           "SD1_DATA1",
 163                           "SD1_DATA2",
 164                           "SD1_DATA3",
 165                           /* Shared with SPI flash */
 166                           "PWM0_MISO",
 167                           "PWM1_MOSI",
 168                           "STATUS_LED_G_CLK",
 169                           "SPIFLASH_CE_N",
 170                           "SDA0",
 171                           "SCL0",
 172                           "RGMII_RXCLK",
 173                           "RGMII_RXCTL",
 174                           "RGMII_RXD0",
 175                           "RGMII_RXD1",
 176                           "RGMII_RXD2",
 177                           "RGMII_RXD3",
 178                           "RGMII_TXCLK",
 179                           "RGMII_TXCTL",
 180                           "RGMII_TXD0",
 181                           "RGMII_TXD1",
 182                           "RGMII_TXD2",
 183                           "RGMII_TXD3";
 184 };
 185
 186 &hdmi0 {
 187         status = "okay";
 188 };
 189
 190 &hdmi1 {
 191         status = "okay";
 192 };
 193
 194 &pixelvalve0 {
 195         status = "okay";
 196 };
 197
 198 &pixelvalve1 {
 199         status = "okay";
 200 };
 201
 202 &pixelvalve2 {
 203         status = "okay";
 204 };
 205
 206 &pixelvalve4 {
 207         status = "okay";
 208 };
 209
 210 &pwm1 {
 211         pinctrl-names = "default";
 212         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
 213         status = "okay";
 214 };
 215
 216 /* SDHCI is used to control the SDIO for wireless */
 217 &sdhci {
 218         #address-cells = <1>;
 219         #size-cells = <0>;
 220         pinctrl-names = "default";
 221         pinctrl-0 = <&emmc_gpio34>;
 222         bus-width = <4>;
 223         non-removable;
 224         mmc-pwrseq = <&wifi_pwrseq>;
 225         status = "okay";
 226
 227         brcmf: wifi@1 {
 228                 reg = <1>;
 229                 compatible = "brcm,bcm4329-fmac";
 230         };
 231 };
 232
 233 /* EMMC2 is used to drive the SD card */
 234 &emmc2 {
 235         vqmmc-supply = <&sd_io_1v8_reg>;
 236         vmmc-supply = <&sd_vcc_reg>;
 237         broken-cd;
 238         non-removable;
 239         status = "okay";
 240 };
 241
 242 &genet {
 243         phy-handle = <&phy1>;
 244         phy-mode = "rgmii-rxid";
 245         status = "okay";
 246 };
 247
 248 &genet_mdio {
 249         phy1: ethernet-phy@1 {
 250                 /* No PHY interrupt */
 251                 reg = <0x1>;
 252         };
 253 };
 254
 255 &pcie0 {
 256         pci@0,0 {
 257                 device_type = "pci";
 258                 #address-cells = <3>;
 259                 #size-cells = <2>;
 260                 ranges;
 261
 262                 reg = <0 0 0 0 0>;
 263
 264                 usb@0,0 {
 265                         reg = <0 0 0 0 0>;
 266                         resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 267                 };
 268         };
 269 };
 270
 271 /* uart0 communicates with the BT module */
 272 &uart0 {
 273         pinctrl-names = "default";
 274         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 275         uart-has-rtscts;
 276         status = "okay";
 277
 278         bluetooth {
 279                 compatible = "brcm,bcm43438-bt";
 280                 max-speed = <2000000>;
 281                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 282         };
 283 };
 284
 285 /* uart1 is mapped to the pin header */
 286 &uart1 {
 287         pinctrl-names = "default";
 288         pinctrl-0 = <&uart1_gpio14>;
 289         status = "okay";
 290 };
 291
 292 &vc4 {
 293         status = "okay";
 294 };
 295
 296 &vec {
 297         status = "disabled";
 298 };
 299
 300 // =============================================
 301 // Downstream rpi- changes
 302
 303 #define BCM2711
 304
 305 #include "bcm270x.dtsi"
 306 #include "bcm271x-rpi-bt.dtsi"
 307
 308 / {
 309         soc {
 310                 /delete-node/ pixelvalve@7e807000;
 311                 /delete-node/ hdmi@7e902000;
 312         };
 313 };
 314
 315 #include "bcm2711-rpi-ds.dtsi"
 316 #include "bcm283x-rpi-csi1-2lane.dtsi"
 317 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
 318
 319 / {
 320         chosen {
 321                 bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
 322         };
 323
 324         aliases {
 325                 serial0 = &uart1;
 326                 serial1 = &uart0;
 327                 mmc0 = &emmc2;
 328                 mmc1 = &mmcnr;
 329                 mmc2 = &sdhost;
 330                 i2c3 = &i2c3;
 331                 i2c4 = &i2c4;
 332                 i2c5 = &i2c5;
 333                 i2c6 = &i2c6;
 334                 i2c20 = &ddc0;
 335                 i2c21 = &ddc1;
 336                 spi3 = &spi3;
 337                 spi4 = &spi4;
 338                 spi5 = &spi5;
 339                 spi6 = &spi6;
 340                 /delete-property/ intc;
 341         };
 342
 343         /delete-node/ wifi-pwrseq;
 344 };
 345
 346 &mmcnr {
 347         #address-cells = <1>;
 348         #size-cells = <0>;
 349         pinctrl-names = "default";
 350         pinctrl-0 = <&sdio_pins>;
 351         bus-width = <4>;
 352         status = "okay";
 353         brcmf: wifi@1 {
 354                 reg = <1>;
 355                 compatible = "brcm,bcm4329-fmac";
 356                 brcm,feature-disable = <0x2000>; /* BIT[13] : sup-wpa */
 357         };
 358 };
 359
 360 &uart0 {
 361         pinctrl-0 = <&uart0_pins &bt_pins &uart0_ctsrts_gpio30>;
 362         status = "okay";
 363 };
 364
 365 &uart1 {
 366         pinctrl-0 = <&uart1_pins>;
 367 };
 368
 369 &uart2 {
 370         pinctrl-names = "default";
 371         pinctrl-0 = <&uart2_pins>;
 372         status = "okay";
 373 };
 374
 375 &spi0 {
 376         pinctrl-names = "default";
 377         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 378         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 379         status = "okay";
 380
 381         spidev0: spidev@0{
 382                 compatible = "spidev";
 383                 reg = <0>;      /* CE0 */
 384                 #address-cells = <1>;
 385                 #size-cells = <0>;
 386                 spi-max-frequency = <125000000>;
 387         };
 388
 389         spidev1: spidev@1{
 390                 compatible = "spidev";
 391                 reg = <1>;      /* CE1 */
 392                 #address-cells = <1>;
 393                 #size-cells = <0>;
 394                 spi-max-frequency = <125000000>;
 395         };
 396 };
 397
 398 &gpio {
 399         spi0_pins: spi0_pins {
 400                 brcm,pins = <9 10 11>;
 401                 brcm,function = <BCM2835_FSEL_ALT0>;
 402         };
 403
 404         spi0_cs_pins: spi0_cs_pins {
 405                 brcm,pins = <8 7>;
 406                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 407         };
 408
 409         spi3_pins: spi3_pins {
 410                 brcm,pins = <1 2 3>;
 411                 brcm,function = <BCM2835_FSEL_ALT3>;
 412         };
 413
 414         spi3_cs_pins: spi3_cs_pins {
 415                 brcm,pins = <0 24>;
 416                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 417         };
 418
 419         spi4_pins: spi4_pins {
 420                 brcm,pins = <5 6 7>;
 421                 brcm,function = <BCM2835_FSEL_ALT3>;
 422         };
 423
 424         spi4_cs_pins: spi4_cs_pins {
 425                 brcm,pins = <4 25>;
 426                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 427         };
 428
 429         spi5_pins: spi5_pins {
 430                 brcm,pins = <13 14 15>;
 431                 brcm,function = <BCM2835_FSEL_ALT3>;
 432         };
 433
 434         spi5_cs_pins: spi5_cs_pins {
 435                 brcm,pins = <12 26>;
 436                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 437         };
 438
 439         spi6_pins: spi6_pins {
 440                 brcm,pins = <19 20 21>;
 441                 brcm,function = <BCM2835_FSEL_ALT3>;
 442         };
 443
 444         spi6_cs_pins: spi6_cs_pins {
 445                 brcm,pins = <18 27>;
 446                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 447         };
 448
 449         i2c0_pins: i2c0 {
 450                 brcm,pins = <0 1>;
 451                 brcm,function = <BCM2835_FSEL_ALT0>;
 452                 brcm,pull = <BCM2835_PUD_UP>;
 453         };
 454
 455         i2c1_pins: i2c1 {
 456                 brcm,pins = <2 3>;
 457                 brcm,function = <BCM2835_FSEL_ALT0>;
 458                 brcm,pull = <BCM2835_PUD_UP>;
 459         };
 460
 461         i2c3_pins: i2c3 {
 462                 brcm,pins = <4 5>;
 463                 brcm,function = <BCM2835_FSEL_ALT5>;
 464                 brcm,pull = <BCM2835_PUD_UP>;
 465         };
 466
 467         i2c4_pins: i2c4 {
 468                 brcm,pins = <8 9>;
 469                 brcm,function = <BCM2835_FSEL_ALT5>;
 470                 brcm,pull = <BCM2835_PUD_UP>;
 471         };
 472
 473         i2c5_pins: i2c5 {
 474                 brcm,pins = <12 13>;
 475                 brcm,function = <BCM2835_FSEL_ALT5>;
 476                 brcm,pull = <BCM2835_PUD_UP>;
 477         };
 478
 479         i2c6_pins: i2c6 {
 480                 brcm,pins = <22 23>;
 481                 brcm,function = <BCM2835_FSEL_ALT5>;
 482                 brcm,pull = <BCM2835_PUD_UP>;
 483         };
 484
 485         i2s_pins: i2s {
 486                 brcm,pins = <18 19 20 21>;
 487                 brcm,function = <BCM2835_FSEL_ALT0>;
 488         };
 489
 490         sdio_pins: sdio_pins {
 491                 brcm,pins =     <34 35 36 37 38 39>;
 492                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 493                 brcm,pull =     <0 2 2 2 2 2>;
 494         };
 495
 496         bt_pins: bt_pins {
 497                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 498                                  // to fool pinctrl
 499                 brcm,function = <0>;
 500                 brcm,pull = <2>;
 501         };
 502
 503         uart0_pins: uart0_pins {
 504                 brcm,pins = <32 33>;
 505                 brcm,function = <BCM2835_FSEL_ALT3>;
 506                 brcm,pull = <0 2>;
 507         };
 508
 509         uart1_pins: uart1_pins {
 510                 brcm,pins;
 511                 brcm,function;
 512                 brcm,pull;
 513         };
 514
 515         uart2_pins: uart2_pins {
 516                 brcm,pins = <0 1>;
 517                 brcm,function = <BCM2835_FSEL_ALT4>;
 518                 brcm,pull = <0 2>;
 519         };
 520
 521         uart3_pins: uart3_pins {
 522                 brcm,pins = <4 5>;
 523                 brcm,function = <BCM2835_FSEL_ALT4>;
 524                 brcm,pull = <0 2>;
 525         };
 526
 527         uart4_pins: uart4_pins {
 528                 brcm,pins = <8 9>;
 529                 brcm,function = <BCM2835_FSEL_ALT4>;
 530                 brcm,pull = <0 2>;
 531         };
 532
 533         uart5_pins: uart5_pins {
 534                 brcm,pins = <12 13>;
 535                 brcm,function = <BCM2835_FSEL_ALT4>;
 536                 brcm,pull = <0 2>;
 537         };
 538
 539         /* Needs to describe gpio settings at config.txt */
 540         key_volume_up: key_volume_up {
 541                 brcm,pins = <16>;
 542                 brcm,function = <1>; /* BCM2835_FSEL_GPIO_IN */
 543                 brcm,pull = <2>; /* BCM2835_PUD_UP */
 544         };
 545
 546         key_volume_down: key_volume_down {
 547                 brcm,pins = <13>;
 548                 brcm,function = <1>;
 549                 brcm,pull = <2>;
 550         };
 551
 552         key_fastforward: key_fastforward {
 553                 brcm,pins = <6>;
 554                 brcm,function = <1>;
 555                 brcm,pull = <2>;
 556         };
 557
 558         key_rewind: key_rewind {
 559                 brcm,pins = <12>;
 560                 brcm,function = <1>;
 561                 brcm,pull = <2>;
 562         };
 563
 564         key_playpause: key_playpause {
 565                 brcm,pins = <25>;
 566                 brcm,function = <1>;
 567                 brcm,pull = <2>;
 568         };
 569 };
 570
 571 &i2c0if {
 572         clock-frequency = <100000>;
 573 };
 574
 575 &i2c1 {
 576         pinctrl-names = "default";
 577         pinctrl-0 = <&i2c1_pins>;
 578         clock-frequency = <100000>;
 579         status = "okay";
 580
 581         #address-cells = <1>;
 582         #size-cells = <0>;
 583
 584         ac108_a: ac108@3b{
 585                 compatible = "x-power,ac108_0";
 586                 reg = <0x3b>;
 587                 #sound-dai-cells = <0>;
 588                 data-protocol = <0>;
 589         };
 590 };
 591
 592 &i2s {
 593         pinctrl-names = "default";
 594         pinctrl-0 = <&i2s_pins>;
 595
 596         #sound-dai-cells = <0>;
 597         status = "okay";
 598 };
 599
 600 &sound {
 601         compatible = "seeed-voicecard";
 602         seeed-voice-card,format = "dsp_a";
 603         seeed-voice-card,name = "seeed-4mic-voicecard";
 604         status = "okay";
 605
 606         seeed-voice-card,bitclock-master = <&codec_dai>;
 607         seeed-voice-card,frame-master = <&codec_dai>;
 608         seeed-voice-card,channels-playback-override = <4>;
 609         seeed-voice-card,channels-capture-override  = <4>;
 610
 611         cpu_dai: seeed-voice-card,cpu {
 612                 sound-dai = <&i2s>;
 613                 dai-tdm-slot-num     = <2>;
 614                 dai-tdm-slot-width   = <32>;
 615                 dai-tdm-slot-tx-mask = <1 1 0 0>;
 616                 dai-tdm-slot-rx-mask = <1 1 0 0>;
 617         };
 618         codec_dai: seeed-voice-card,codec {
 619                 sound-dai = <&ac108_a>;
 620                 system-clock-frequency = <24000000>;
 621         };
 622 };
 623
 624 // =============================================
 625 // Board specific stuff here
 626
 627 &sdhost {
 628         status = "disabled";
 629 };
 630
 631 &phy1 {
 632         led-modes = <0x00 0x08>; /* link/activity link */
 633 };
 634
 635 &gpio {
 636         audio_pins: audio_pins {
 637                 brcm,pins = <40 41>;
 638                 brcm,function = <4>;
 639         };
 640 };
 641
 642 &leds {
 643         act_led: led-act {
 644                 label = "led0";
 645                 linux,default-trigger = "mmc0";
 646                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 647         };
 648
 649         pwr_led: led-pwr {
 650                 label = "led1";
 651                 linux,default-trigger = "default-on";
 652                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 653         };
 654 };
 655
 656 &pwm1 {
 657         status = "disabled";
 658 };
 659
 660 &audio {
 661         pinctrl-names = "default";
 662         pinctrl-0 = <&audio_pins>;
 663         status = "okay";
 664 };
 665
 666 &cam1_reg {
 667         gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
 668 };
 669
 670 cam0_reg: &cam_dummy_reg {
 671 };
 672
 673 &cma {
 674         size = <0x19000000>; /* 400MB (256 + 128 + 16) */
 675 };
 676
 677 / {
 678         __overrides__ {
 679                 act_led_gpio = <&act_led>,"gpios:4";
 680                 act_led_activelow = <&act_led>,"gpios:8";
 681                 act_led_trigger = <&act_led>,"linux,default-trigger";
 682
 683                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 684                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 685                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 686
 687                 eth_led0 = <&phy1>,"led-modes:0";
 688                 eth_led1 = <&phy1>,"led-modes:4";
 689
 690                 sd_poll_once = <&emmc2>, "non-removable?";
 691                 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
 692                            <&spi0>, "dmas:8=", <&dma40>;
 693         };
 694 };