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         pinctrl-names = "default";
 312         pinctrl-0 = <&sdio_pins>;
 313         bus-width = <4>;
 314         status = "okay";
 315 };
 316
 317 &uart0 {
 318         pinctrl-0 = <&uart0_pins &bt_pins>;
 319         status = "okay";
 320 };
 321
 322 &uart1 {
 323         pinctrl-0 = <&uart1_pins>;
 324 };
 325
 326 &spi0 {
 327         pinctrl-names = "default";
 328         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 329         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 330
 331         spidev0: spidev@0{
 332                 compatible = "spidev";
 333                 reg = <0>;      /* CE0 */
 334                 #address-cells = <1>;
 335                 #size-cells = <0>;
 336                 spi-max-frequency = <125000000>;
 337         };
 338
 339         spidev1: spidev@1{
 340                 compatible = "spidev";
 341                 reg = <1>;      /* CE1 */
 342                 #address-cells = <1>;
 343                 #size-cells = <0>;
 344                 spi-max-frequency = <125000000>;
 345         };
 346 };
 347
 348 &gpio {
 349         spi0_pins: spi0_pins {
 350                 brcm,pins = <9 10 11>;
 351                 brcm,function = <BCM2835_FSEL_ALT0>;
 352         };
 353
 354         spi0_cs_pins: spi0_cs_pins {
 355                 brcm,pins = <8 7>;
 356                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 357         };
 358
 359         spi3_pins: spi3_pins {
 360                 brcm,pins = <1 2 3>;
 361                 brcm,function = <BCM2835_FSEL_ALT3>;
 362         };
 363
 364         spi3_cs_pins: spi3_cs_pins {
 365                 brcm,pins = <0 24>;
 366                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 367         };
 368
 369         spi4_pins: spi4_pins {
 370                 brcm,pins = <5 6 7>;
 371                 brcm,function = <BCM2835_FSEL_ALT3>;
 372         };
 373
 374         spi4_cs_pins: spi4_cs_pins {
 375                 brcm,pins = <4 25>;
 376                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 377         };
 378
 379         spi5_pins: spi5_pins {
 380                 brcm,pins = <13 14 15>;
 381                 brcm,function = <BCM2835_FSEL_ALT3>;
 382         };
 383
 384         spi5_cs_pins: spi5_cs_pins {
 385                 brcm,pins = <12 26>;
 386                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 387         };
 388
 389         spi6_pins: spi6_pins {
 390                 brcm,pins = <19 20 21>;
 391                 brcm,function = <BCM2835_FSEL_ALT3>;
 392         };
 393
 394         spi6_cs_pins: spi6_cs_pins {
 395                 brcm,pins = <18 27>;
 396                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 397         };
 398
 399         i2c0_pins: i2c0 {
 400                 brcm,pins = <0 1>;
 401                 brcm,function = <BCM2835_FSEL_ALT0>;
 402                 brcm,pull = <BCM2835_PUD_UP>;
 403         };
 404
 405         i2c1_pins: i2c1 {
 406                 brcm,pins = <2 3>;
 407                 brcm,function = <BCM2835_FSEL_ALT0>;
 408                 brcm,pull = <BCM2835_PUD_UP>;
 409         };
 410
 411         i2c3_pins: i2c3 {
 412                 brcm,pins = <4 5>;
 413                 brcm,function = <BCM2835_FSEL_ALT5>;
 414                 brcm,pull = <BCM2835_PUD_UP>;
 415         };
 416
 417         i2c4_pins: i2c4 {
 418                 brcm,pins = <8 9>;
 419                 brcm,function = <BCM2835_FSEL_ALT5>;
 420                 brcm,pull = <BCM2835_PUD_UP>;
 421         };
 422
 423         i2c5_pins: i2c5 {
 424                 brcm,pins = <12 13>;
 425                 brcm,function = <BCM2835_FSEL_ALT5>;
 426                 brcm,pull = <BCM2835_PUD_UP>;
 427         };
 428
 429         i2c6_pins: i2c6 {
 430                 brcm,pins = <22 23>;
 431                 brcm,function = <BCM2835_FSEL_ALT5>;
 432                 brcm,pull = <BCM2835_PUD_UP>;
 433         };
 434
 435         i2s_pins: i2s {
 436                 brcm,pins = <18 19 20 21>;
 437                 brcm,function = <BCM2835_FSEL_ALT0>;
 438         };
 439
 440         sdio_pins: sdio_pins {
 441                 brcm,pins =     <34 35 36 37 38 39>;
 442                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 443                 brcm,pull =     <0 2 2 2 2 2>;
 444         };
 445
 446         bt_pins: bt_pins {
 447                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 448                                  // to fool pinctrl
 449                 brcm,function = <0>;
 450                 brcm,pull = <2>;
 451         };
 452
 453         uart0_pins: uart0_pins {
 454                 brcm,pins = <32 33>;
 455                 brcm,function = <BCM2835_FSEL_ALT3>;
 456                 brcm,pull = <0 2>;
 457         };
 458
 459         uart1_pins: uart1_pins {
 460                 brcm,pins;
 461                 brcm,function;
 462                 brcm,pull;
 463         };
 464
 465         uart2_pins: uart2_pins {
 466                 brcm,pins = <0 1>;
 467                 brcm,function = <BCM2835_FSEL_ALT4>;
 468                 brcm,pull = <0 2>;
 469         };
 470
 471         uart3_pins: uart3_pins {
 472                 brcm,pins = <4 5>;
 473                 brcm,function = <BCM2835_FSEL_ALT4>;
 474                 brcm,pull = <0 2>;
 475         };
 476
 477         uart4_pins: uart4_pins {
 478                 brcm,pins = <8 9>;
 479                 brcm,function = <BCM2835_FSEL_ALT4>;
 480                 brcm,pull = <0 2>;
 481         };
 482
 483         uart5_pins: uart5_pins {
 484                 brcm,pins = <12 13>;
 485                 brcm,function = <BCM2835_FSEL_ALT4>;
 486                 brcm,pull = <0 2>;
 487         };
 488 };
 489
 490 &i2c0if {
 491         clock-frequency = <100000>;
 492 };
 493
 494 &i2c1 {
 495         pinctrl-names = "default";
 496         pinctrl-0 = <&i2c1_pins>;
 497         clock-frequency = <100000>;
 498 };
 499
 500 &i2s {
 501         pinctrl-names = "default";
 502         pinctrl-0 = <&i2s_pins>;
 503 };
 504
 505 // =============================================
 506 // Board specific stuff here
 507
 508 &sdhost {
 509         status = "disabled";
 510 };
 511
 512 &phy1 {
 513         led-modes = <0x00 0x08>; /* link/activity link */
 514 };
 515
 516 &gpio {
 517         audio_pins: audio_pins {
 518                 brcm,pins = <40 41>;
 519                 brcm,function = <4>;
 520         };
 521 };
 522
 523 &leds {
 524         act_led: led-act {
 525                 label = "led0";
 526                 linux,default-trigger = "mmc0";
 527                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 528         };
 529
 530         pwr_led: led-pwr {
 531                 label = "led1";
 532                 linux,default-trigger = "default-on";
 533                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 534         };
 535 };
 536
 537 &pwm1 {
 538         status = "disabled";
 539 };
 540
 541 &audio {
 542         pinctrl-names = "default";
 543         pinctrl-0 = <&audio_pins>;
 544 };
 545
 546 &cam1_reg {
 547         gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
 548 };
 549
 550 cam0_reg: &cam_dummy_reg {
 551 };
 552
 553 / {
 554         __overrides__ {
 555                 act_led_gpio = <&act_led>,"gpios:4";
 556                 act_led_activelow = <&act_led>,"gpios:8";
 557                 act_led_trigger = <&act_led>,"linux,default-trigger";
 558
 559                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 560                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 561                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 562
 563                 eth_led0 = <&phy1>,"led-modes:0";
 564                 eth_led1 = <&phy1>,"led-modes:4";
 565
 566                 sd_poll_once = <&emmc2>, "non-removable?";
 567                 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
 568                            <&spi0>, "dmas:8=", <&dma40>;
 569         };
 570 };