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
   7 / {
   8         compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
   9         model = "Raspberry Pi 4 Model B";
  10
  11         chosen {
  12                 /* 8250 auxiliary UART instead of pl011 */
  13                 stdout-path = "serial1:115200n8";
  14         };
  15
  16         leds {
  17                 led-act {
  18                         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
  19                 };
  20
  21                 led-pwr {
  22                         label = "PWR";
  23                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  24                         default-state = "keep";
  25                         linux,default-trigger = "default-on";
  26                 };
  27         };
  28
  29         wifi_pwrseq: wifi-pwrseq {
  30                 compatible = "mmc-pwrseq-simple";
  31                 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
  32         };
  33
  34         sd_io_1v8_reg: sd_io_1v8_reg {
  35                 compatible = "regulator-gpio";
  36                 regulator-name = "vdd-sd-io";
  37                 regulator-min-microvolt = <1800000>;
  38                 regulator-max-microvolt = <3300000>;
  39                 regulator-boot-on;
  40                 regulator-always-on;
  41                 regulator-settling-time-us = <5000>;
  42                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  43                 states = <1800000 0x1>,
  44                          <3300000 0x0>;
  45                 status = "okay";
  46         };
  47
  48         sd_vcc_reg: sd_vcc_reg {
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "vcc-sd";
  51                 regulator-min-microvolt = <3300000>;
  52                 regulator-max-microvolt = <3300000>;
  53                 regulator-boot-on;
  54                 enable-active-high;
  55                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  56         };
  57 };
  58
  59 &ddc0 {
  60         status = "okay";
  61 };
  62
  63 &ddc1 {
  64         status = "okay";
  65 };
  66
  67 &expgpio {
  68         gpio-line-names = "BT_ON",
  69                           "WL_ON",
  70                           "PWR_LED_OFF",
  71                           "GLOBAL_RESET",
  72                           "VDD_SD_IO_SEL",
  73                           "CAM_GPIO",
  74                           "SD_PWR_ON",
  75                           "SD_OC_N";
  76 };
  77
  78 &gpio {
  79         /*
  80          * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
  81          * the official GPU firmware DT blob.
  82          *
  83          * Legend:
  84          * "FOO" = GPIO line named "FOO" on the schematic
  85          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  86          */
  87         gpio-line-names = "ID_SDA",
  88                           "ID_SCL",
  89                           "SDA1",
  90                           "SCL1",
  91                           "GPIO_GCLK",
  92                           "GPIO5",
  93                           "GPIO6",
  94                           "SPI_CE1_N",
  95                           "SPI_CE0_N",
  96                           "SPI_MISO",
  97                           "SPI_MOSI",
  98                           "SPI_SCLK",
  99                           "GPIO12",
 100                           "GPIO13",
 101                           /* Serial port */
 102                           "TXD1",
 103                           "RXD1",
 104                           "GPIO16",
 105                           "GPIO17",
 106                           "GPIO18",
 107                           "GPIO19",
 108                           "GPIO20",
 109                           "GPIO21",
 110                           "GPIO22",
 111                           "GPIO23",
 112                           "GPIO24",
 113                           "GPIO25",
 114                           "GPIO26",
 115                           "GPIO27",
 116                           "RGMII_MDIO",
 117                           "RGMIO_MDC",
 118                           /* Used by BT module */
 119                           "CTS0",
 120                           "RTS0",
 121                           "TXD0",
 122                           "RXD0",
 123                           /* Used by Wifi */
 124                           "SD1_CLK",
 125                           "SD1_CMD",
 126                           "SD1_DATA0",
 127                           "SD1_DATA1",
 128                           "SD1_DATA2",
 129                           "SD1_DATA3",
 130                           /* Shared with SPI flash */
 131                           "PWM0_MISO",
 132                           "PWM1_MOSI",
 133                           "STATUS_LED_G_CLK",
 134                           "SPIFLASH_CE_N",
 135                           "SDA0",
 136                           "SCL0",
 137                           "RGMII_RXCLK",
 138                           "RGMII_RXCTL",
 139                           "RGMII_RXD0",
 140                           "RGMII_RXD1",
 141                           "RGMII_RXD2",
 142                           "RGMII_RXD3",
 143                           "RGMII_TXCLK",
 144                           "RGMII_TXCTL",
 145                           "RGMII_TXD0",
 146                           "RGMII_TXD1",
 147                           "RGMII_TXD2",
 148                           "RGMII_TXD3";
 149 };
 150
 151 &hdmi0 {
 152         status = "okay";
 153 };
 154
 155 &hdmi1 {
 156         status = "okay";
 157 };
 158
 159 &pixelvalve0 {
 160         status = "okay";
 161 };
 162
 163 &pixelvalve1 {
 164         status = "okay";
 165 };
 166
 167 &pixelvalve2 {
 168         status = "okay";
 169 };
 170
 171 &pixelvalve4 {
 172         status = "okay";
 173 };
 174
 175 &pwm1 {
 176         pinctrl-names = "default";
 177         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
 178         status = "okay";
 179 };
 180
 181 /* SDHCI is used to control the SDIO for wireless */
 182 &sdhci {
 183         #address-cells = <1>;
 184         #size-cells = <0>;
 185         pinctrl-names = "default";
 186         pinctrl-0 = <&emmc_gpio34>;
 187         bus-width = <4>;
 188         non-removable;
 189         mmc-pwrseq = <&wifi_pwrseq>;
 190         status = "okay";
 191
 192         brcmf: wifi@1 {
 193                 reg = <1>;
 194                 compatible = "brcm,bcm4329-fmac";
 195         };
 196 };
 197
 198 /* EMMC2 is used to drive the SD card */
 199 &emmc2 {
 200         vqmmc-supply = <&sd_io_1v8_reg>;
 201         vmmc-supply = <&sd_vcc_reg>;
 202         broken-cd;
 203         status = "okay";
 204 };
 205
 206 &genet {
 207         phy-handle = <&phy1>;
 208         phy-mode = "rgmii-rxid";
 209         status = "okay";
 210 };
 211
 212 &genet_mdio {
 213         phy1: ethernet-phy@1 {
 214                 /* No PHY interrupt */
 215                 reg = <0x1>;
 216         };
 217 };
 218
 219 &pcie0 {
 220         pci@0,0 {
 221                 device_type = "pci";
 222                 #address-cells = <3>;
 223                 #size-cells = <2>;
 224                 ranges;
 225
 226                 reg = <0 0 0 0 0>;
 227
 228                 usb@0,0 {
 229                         reg = <0 0 0 0 0>;
 230                         resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 231                 };
 232         };
 233 };
 234
 235 /* uart0 communicates with the BT module */
 236 &uart0 {
 237         pinctrl-names = "default";
 238         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 239         uart-has-rtscts;
 240         status = "okay";
 241
 242         bluetooth {
 243                 compatible = "brcm,bcm43438-bt";
 244                 max-speed = <2000000>;
 245                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 246         };
 247 };
 248
 249 /* uart1 is mapped to the pin header */
 250 &uart1 {
 251         pinctrl-names = "default";
 252         pinctrl-0 = <&uart1_gpio14>;
 253         status = "okay";
 254 };
 255
 256 &vc4 {
 257         status = "okay";
 258 };
 259
 260 &vec {
 261         status = "disabled";
 262 };
 263
 264 // =============================================
 265 // Downstream rpi- changes
 266
 267 #define BCM2711
 268
 269 #include "bcm270x.dtsi"
 270 #include "bcm271x-rpi-bt.dtsi"
 271
 272 / {
 273         soc {
 274                 /delete-node/ pixelvalve@7e807000;
 275                 /delete-node/ hdmi@7e902000;
 276         };
 277 };
 278
 279 #include "bcm2711-rpi-ds.dtsi"
 280 #include "bcm283x-rpi-csi1-2lane.dtsi"
 281 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
 282
 283 / {
 284         chosen {
 285                 bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
 286         };
 287
 288         aliases {
 289                 serial0 = &uart1;
 290                 serial1 = &uart0;
 291                 mmc0 = &emmc2;
 292                 mmc1 = &mmcnr;
 293                 mmc2 = &sdhost;
 294                 i2c3 = &i2c3;
 295                 i2c4 = &i2c4;
 296                 i2c5 = &i2c5;
 297                 i2c6 = &i2c6;
 298                 i2c20 = &ddc0;
 299                 i2c21 = &ddc1;
 300                 spi3 = &spi3;
 301                 spi4 = &spi4;
 302                 spi5 = &spi5;
 303                 spi6 = &spi6;
 304                 /delete-property/ intc;
 305         };
 306
 307         /delete-node/ wifi-pwrseq;
 308 };
 309
 310 &mmcnr {
 311         #address-cells = <1>;
 312         #size-cells = <0>;
 313         pinctrl-names = "default";
 314         pinctrl-0 = <&sdio_pins>;
 315         bus-width = <4>;
 316         status = "okay";
 317         brcmf: wifi@1 {
 318                 reg = <1>;
 319                 compatible = "brcm,bcm4329-fmac";
 320                 brcm,feature-disable = <0x2000>; /* BIT[13] : sup-wpa */
 321         };
 322 };
 323
 324 &uart0 {
 325         pinctrl-0 = <&uart0_pins &bt_pins &uart0_ctsrts_gpio30>;
 326         status = "okay";
 327 };
 328
 329 &uart1 {
 330         pinctrl-0 = <&uart1_pins>;
 331 };
 332
 333 &spi0 {
 334         pinctrl-names = "default";
 335         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 336         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 337         status = "okay";
 338
 339         spidev0: spidev@0{
 340                 compatible = "spidev";
 341                 reg = <0>;      /* CE0 */
 342                 #address-cells = <1>;
 343                 #size-cells = <0>;
 344                 spi-max-frequency = <125000000>;
 345         };
 346
 347         spidev1: spidev@1{
 348                 compatible = "spidev";
 349                 reg = <1>;      /* CE1 */
 350                 #address-cells = <1>;
 351                 #size-cells = <0>;
 352                 spi-max-frequency = <125000000>;
 353         };
 354 };
 355
 356 &gpio {
 357         spi0_pins: spi0_pins {
 358                 brcm,pins = <9 10 11>;
 359                 brcm,function = <BCM2835_FSEL_ALT0>;
 360         };
 361
 362         spi0_cs_pins: spi0_cs_pins {
 363                 brcm,pins = <8 7>;
 364                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 365         };
 366
 367         spi3_pins: spi3_pins {
 368                 brcm,pins = <1 2 3>;
 369                 brcm,function = <BCM2835_FSEL_ALT3>;
 370         };
 371
 372         spi3_cs_pins: spi3_cs_pins {
 373                 brcm,pins = <0 24>;
 374                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 375         };
 376
 377         spi4_pins: spi4_pins {
 378                 brcm,pins = <5 6 7>;
 379                 brcm,function = <BCM2835_FSEL_ALT3>;
 380         };
 381
 382         spi4_cs_pins: spi4_cs_pins {
 383                 brcm,pins = <4 25>;
 384                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 385         };
 386
 387         spi5_pins: spi5_pins {
 388                 brcm,pins = <13 14 15>;
 389                 brcm,function = <BCM2835_FSEL_ALT3>;
 390         };
 391
 392         spi5_cs_pins: spi5_cs_pins {
 393                 brcm,pins = <12 26>;
 394                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 395         };
 396
 397         spi6_pins: spi6_pins {
 398                 brcm,pins = <19 20 21>;
 399                 brcm,function = <BCM2835_FSEL_ALT3>;
 400         };
 401
 402         spi6_cs_pins: spi6_cs_pins {
 403                 brcm,pins = <18 27>;
 404                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 405         };
 406
 407         i2c0_pins: i2c0 {
 408                 brcm,pins = <0 1>;
 409                 brcm,function = <BCM2835_FSEL_ALT0>;
 410                 brcm,pull = <BCM2835_PUD_UP>;
 411         };
 412
 413         i2c1_pins: i2c1 {
 414                 brcm,pins = <2 3>;
 415                 brcm,function = <BCM2835_FSEL_ALT0>;
 416                 brcm,pull = <BCM2835_PUD_UP>;
 417         };
 418
 419         i2c3_pins: i2c3 {
 420                 brcm,pins = <4 5>;
 421                 brcm,function = <BCM2835_FSEL_ALT5>;
 422                 brcm,pull = <BCM2835_PUD_UP>;
 423         };
 424
 425         i2c4_pins: i2c4 {
 426                 brcm,pins = <8 9>;
 427                 brcm,function = <BCM2835_FSEL_ALT5>;
 428                 brcm,pull = <BCM2835_PUD_UP>;
 429         };
 430
 431         i2c5_pins: i2c5 {
 432                 brcm,pins = <12 13>;
 433                 brcm,function = <BCM2835_FSEL_ALT5>;
 434                 brcm,pull = <BCM2835_PUD_UP>;
 435         };
 436
 437         i2c6_pins: i2c6 {
 438                 brcm,pins = <22 23>;
 439                 brcm,function = <BCM2835_FSEL_ALT5>;
 440                 brcm,pull = <BCM2835_PUD_UP>;
 441         };
 442
 443         i2s_pins: i2s {
 444                 brcm,pins = <18 19 20 21>;
 445                 brcm,function = <BCM2835_FSEL_ALT0>;
 446         };
 447
 448         sdio_pins: sdio_pins {
 449                 brcm,pins =     <34 35 36 37 38 39>;
 450                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 451                 brcm,pull =     <0 2 2 2 2 2>;
 452         };
 453
 454         bt_pins: bt_pins {
 455                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 456                                  // to fool pinctrl
 457                 brcm,function = <0>;
 458                 brcm,pull = <2>;
 459         };
 460
 461         uart0_pins: uart0_pins {
 462                 brcm,pins = <32 33>;
 463                 brcm,function = <BCM2835_FSEL_ALT3>;
 464                 brcm,pull = <0 2>;
 465         };
 466
 467         uart1_pins: uart1_pins {
 468                 brcm,pins;
 469                 brcm,function;
 470                 brcm,pull;
 471         };
 472
 473         uart2_pins: uart2_pins {
 474                 brcm,pins = <0 1>;
 475                 brcm,function = <BCM2835_FSEL_ALT4>;
 476                 brcm,pull = <0 2>;
 477         };
 478
 479         uart3_pins: uart3_pins {
 480                 brcm,pins = <4 5>;
 481                 brcm,function = <BCM2835_FSEL_ALT4>;
 482                 brcm,pull = <0 2>;
 483         };
 484
 485         uart4_pins: uart4_pins {
 486                 brcm,pins = <8 9>;
 487                 brcm,function = <BCM2835_FSEL_ALT4>;
 488                 brcm,pull = <0 2>;
 489         };
 490
 491         uart5_pins: uart5_pins {
 492                 brcm,pins = <12 13>;
 493                 brcm,function = <BCM2835_FSEL_ALT4>;
 494                 brcm,pull = <0 2>;
 495         };
 496 };
 497
 498 &i2c0if {
 499         clock-frequency = <100000>;
 500 };
 501
 502 &i2c1 {
 503         pinctrl-names = "default";
 504         pinctrl-0 = <&i2c1_pins>;
 505         clock-frequency = <100000>;
 506         status = "okay";
 507 };
 508
 509 &i2s {
 510         pinctrl-names = "default";
 511         pinctrl-0 = <&i2s_pins>;
 512 };
 513
 514 // =============================================
 515 // Board specific stuff here
 516
 517 &sdhost {
 518         status = "disabled";
 519 };
 520
 521 &phy1 {
 522         led-modes = <0x00 0x08>; /* link/activity link */
 523 };
 524
 525 &gpio {
 526         audio_pins: audio_pins {
 527                 brcm,pins = <40 41>;
 528                 brcm,function = <4>;
 529         };
 530 };
 531
 532 &leds {
 533         act_led: led-act {
 534                 label = "led0";
 535                 linux,default-trigger = "mmc0";
 536                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 537         };
 538
 539         pwr_led: led-pwr {
 540                 label = "led1";
 541                 linux,default-trigger = "default-on";
 542                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 543         };
 544 };
 545
 546 &pwm1 {
 547         status = "disabled";
 548 };
 549
 550 &audio {
 551         pinctrl-names = "default";
 552         pinctrl-0 = <&audio_pins>;
 553         status = "okay";
 554 };
 555
 556 &cam1_reg {
 557         gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
 558 };
 559
 560 cam0_reg: &cam_dummy_reg {
 561 };
 562
 563 &cma {
 564         size = <0x10000000>; /* 256MB */
 565 };
 566
 567 / {
 568         __overrides__ {
 569                 act_led_gpio = <&act_led>,"gpios:4";
 570                 act_led_activelow = <&act_led>,"gpios:8";
 571                 act_led_trigger = <&act_led>,"linux,default-trigger";
 572
 573                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 574                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 575                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 576
 577                 eth_led0 = <&phy1>,"led-modes:0";
 578                 eth_led1 = <&phy1>,"led-modes:4";
 579
 580                 sd_poll_once = <&emmc2>, "non-removable?";
 581                 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
 582                            <&spi0>, "dmas:8=", <&dma40>;
 583         };
 584 };