arch/arm/boot/dts/bcm2711-rpi-cm4.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-compute-module", "brcm,bcm2711";
   9         model = "Raspberry Pi Compute Module 4";
  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                           "ANT1",
  72                           "VDD_SD_IO_SEL",
  73                           "CAM_GPIO",
  74                           "SD_PWR_ON",
  75                           "ANT2";
  76
  77         ant1: ant1 {
  78                 gpio-hog;
  79                 gpios = <3 GPIO_ACTIVE_HIGH>;
  80                 output-high;
  81         };
  82
  83         ant2: ant2 {
  84                 gpio-hog;
  85                 gpios = <7 GPIO_ACTIVE_HIGH>;
  86                 output-low;
  87         };
  88 };
  89
  90 &gpio {
  91         /*
  92          * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
  93          * the official GPU firmware DT blob.
  94          *
  95          * Legend:
  96          * "FOO" = GPIO line named "FOO" on the schematic
  97          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  98          */
  99         gpio-line-names = "ID_SDA",
 100                           "ID_SCL",
 101                           "SDA1",
 102                           "SCL1",
 103                           "GPIO_GCLK",
 104                           "GPIO5",
 105                           "GPIO6",
 106                           "SPI_CE1_N",
 107                           "SPI_CE0_N",
 108                           "SPI_MISO",
 109                           "SPI_MOSI",
 110                           "SPI_SCLK",
 111                           "GPIO12",
 112                           "GPIO13",
 113                           /* Serial port */
 114                           "TXD1",
 115                           "RXD1",
 116                           "GPIO16",
 117                           "GPIO17",
 118                           "GPIO18",
 119                           "GPIO19",
 120                           "GPIO20",
 121                           "GPIO21",
 122                           "GPIO22",
 123                           "GPIO23",
 124                           "GPIO24",
 125                           "GPIO25",
 126                           "GPIO26",
 127                           "GPIO27",
 128                           "RGMII_MDIO",
 129                           "RGMIO_MDC",
 130                           /* Used by BT module */
 131                           "CTS0",
 132                           "RTS0",
 133                           "TXD0",
 134                           "RXD0",
 135                           /* Used by Wifi */
 136                           "SD1_CLK",
 137                           "SD1_CMD",
 138                           "SD1_DATA0",
 139                           "SD1_DATA1",
 140                           "SD1_DATA2",
 141                           "SD1_DATA3",
 142                           /* Shared with SPI flash */
 143                           "PWM0_MISO",
 144                           "PWM1_MOSI",
 145                           "STATUS_LED_G_CLK",
 146                           "SPIFLASH_CE_N",
 147                           "SDA0",
 148                           "SCL0",
 149                           "RGMII_RXCLK",
 150                           "RGMII_RXCTL",
 151                           "RGMII_RXD0",
 152                           "RGMII_RXD1",
 153                           "RGMII_RXD2",
 154                           "RGMII_RXD3",
 155                           "RGMII_TXCLK",
 156                           "RGMII_TXCTL",
 157                           "RGMII_TXD0",
 158                           "RGMII_TXD1",
 159                           "RGMII_TXD2",
 160                           "RGMII_TXD3";
 161 };
 162
 163 &hdmi0 {
 164         status = "okay";
 165 };
 166
 167 &hdmi1 {
 168         status = "okay";
 169 };
 170
 171 &pixelvalve0 {
 172         status = "okay";
 173 };
 174
 175 &pixelvalve1 {
 176         status = "okay";
 177 };
 178
 179 &pixelvalve2 {
 180         status = "okay";
 181 };
 182
 183 &pixelvalve4 {
 184         status = "okay";
 185 };
 186
 187 &pwm1 {
 188         pinctrl-names = "default";
 189         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
 190         status = "okay";
 191 };
 192
 193 /* SDHCI is used to control the SDIO for wireless */
 194 &sdhci {
 195         #address-cells = <1>;
 196         #size-cells = <0>;
 197         pinctrl-names = "default";
 198         pinctrl-0 = <&emmc_gpio34>;
 199         bus-width = <4>;
 200         non-removable;
 201         mmc-pwrseq = <&wifi_pwrseq>;
 202         status = "okay";
 203
 204         brcmf: wifi@1 {
 205                 reg = <1>;
 206                 compatible = "brcm,bcm4329-fmac";
 207         };
 208 };
 209
 210 /* EMMC2 is used to drive the EMMC card */
 211 &emmc2 {
 212         bus-width = <8>;
 213         vqmmc-supply = <&sd_io_1v8_reg>;
 214         vmmc-supply = <&sd_vcc_reg>;
 215         broken-cd;
 216         status = "okay";
 217 };
 218
 219 &genet {
 220         phy-handle = <&phy1>;
 221         phy-mode = "rgmii-rxid";
 222         status = "okay";
 223 };
 224
 225 &genet_mdio {
 226         phy1: ethernet-phy@0 {
 227                 /* No PHY interrupt */
 228                 reg = <0x0>;
 229         };
 230 };
 231
 232 &pcie0 {
 233         pci@0,0 {
 234                 device-type = "pci";
 235                 #address-cells = <3>;
 236                 #size-cells = <2>;
 237                 ranges;
 238
 239                 reg = <0 0 0 0 0>;
 240         };
 241 };
 242
 243 /* uart0 communicates with the BT module */
 244 &uart0 {
 245         pinctrl-names = "default";
 246         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 247         uart-has-rtscts;
 248         status = "okay";
 249
 250         bluetooth {
 251                 compatible = "brcm,bcm43438-bt";
 252                 max-speed = <2000000>;
 253                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 254         };
 255 };
 256
 257 /* uart1 is mapped to the pin header */
 258 &uart1 {
 259         pinctrl-names = "default";
 260         pinctrl-0 = <&uart1_gpio14>;
 261         status = "okay";
 262 };
 263
 264 &vchiq {
 265         interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 266 };
 267
 268 &vc4 {
 269         status = "okay";
 270 };
 271
 272 &vec {
 273         status = "disabled";
 274 };
 275
 276 // =============================================
 277 // Downstream rpi- changes
 278
 279 #define BCM2711
 280
 281 #include "bcm270x.dtsi"
 282 #include "bcm271x-rpi-bt.dtsi"
 283
 284 / {
 285         soc {
 286                 /delete-node/ pixelvalve@7e807000;
 287                 /delete-node/ hdmi@7e902000;
 288         };
 289 };
 290
 291 #include "bcm2711-rpi-ds.dtsi"
 292 #include "bcm283x-rpi-csi0-2lane.dtsi"
 293 #include "bcm283x-rpi-csi1-4lane.dtsi"
 294 #include "bcm283x-rpi-i2c0mux_0_44.dtsi"
 295
 296 / {
 297         chosen {
 298                 bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
 299         };
 300
 301         aliases {
 302                 serial0 = &uart1;
 303                 serial1 = &uart0;
 304                 mmc0 = &emmc2;
 305                 mmc1 = &mmcnr;
 306                 mmc2 = &sdhost;
 307                 i2c3 = &i2c3;
 308                 i2c4 = &i2c4;
 309                 i2c5 = &i2c5;
 310                 i2c6 = &i2c6;
 311                 i2c20 = &ddc0;
 312                 i2c21 = &ddc1;
 313                 spi3 = &spi3;
 314                 spi4 = &spi4;
 315                 spi5 = &spi5;
 316                 spi6 = &spi6;
 317                 /delete-property/ intc;
 318         };
 319
 320         /delete-node/ wifi-pwrseq;
 321 };
 322
 323 &mmcnr {
 324         pinctrl-names = "default";
 325         pinctrl-0 = <&sdio_pins>;
 326         bus-width = <4>;
 327         status = "okay";
 328 };
 329
 330 &uart0 {
 331         pinctrl-0 = <&uart0_pins &bt_pins>;
 332         status = "okay";
 333 };
 334
 335 &uart1 {
 336         pinctrl-0 = <&uart1_pins>;
 337 };
 338
 339 &spi0 {
 340         pinctrl-names = "default";
 341         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 342         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 343
 344         spidev0: spidev@0{
 345                 compatible = "spidev";
 346                 reg = <0>;      /* CE0 */
 347                 #address-cells = <1>;
 348                 #size-cells = <0>;
 349                 spi-max-frequency = <125000000>;
 350         };
 351
 352         spidev1: spidev@1{
 353                 compatible = "spidev";
 354                 reg = <1>;      /* CE1 */
 355                 #address-cells = <1>;
 356                 #size-cells = <0>;
 357                 spi-max-frequency = <125000000>;
 358         };
 359 };
 360
 361 &gpio {
 362         spi0_pins: spi0_pins {
 363                 brcm,pins = <9 10 11>;
 364                 brcm,function = <BCM2835_FSEL_ALT0>;
 365         };
 366
 367         spi0_cs_pins: spi0_cs_pins {
 368                 brcm,pins = <8 7>;
 369                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 370         };
 371
 372         spi3_pins: spi3_pins {
 373                 brcm,pins = <1 2 3>;
 374                 brcm,function = <BCM2835_FSEL_ALT3>;
 375         };
 376
 377         spi3_cs_pins: spi3_cs_pins {
 378                 brcm,pins = <0 24>;
 379                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 380         };
 381
 382         spi4_pins: spi4_pins {
 383                 brcm,pins = <5 6 7>;
 384                 brcm,function = <BCM2835_FSEL_ALT3>;
 385         };
 386
 387         spi4_cs_pins: spi4_cs_pins {
 388                 brcm,pins = <4 25>;
 389                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 390         };
 391
 392         spi5_pins: spi5_pins {
 393                 brcm,pins = <13 14 15>;
 394                 brcm,function = <BCM2835_FSEL_ALT3>;
 395         };
 396
 397         spi5_cs_pins: spi5_cs_pins {
 398                 brcm,pins = <12 26>;
 399                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 400         };
 401
 402         spi6_pins: spi6_pins {
 403                 brcm,pins = <19 20 21>;
 404                 brcm,function = <BCM2835_FSEL_ALT3>;
 405         };
 406
 407         spi6_cs_pins: spi6_cs_pins {
 408                 brcm,pins = <18 27>;
 409                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
 410         };
 411
 412         i2c0_pins: i2c0 {
 413                 brcm,pins = <0 1>;
 414                 brcm,function = <BCM2835_FSEL_ALT0>;
 415                 brcm,pull = <BCM2835_PUD_UP>;
 416         };
 417
 418         i2c1_pins: i2c1 {
 419                 brcm,pins = <2 3>;
 420                 brcm,function = <BCM2835_FSEL_ALT0>;
 421                 brcm,pull = <BCM2835_PUD_UP>;
 422         };
 423
 424         i2c3_pins: i2c3 {
 425                 brcm,pins = <4 5>;
 426                 brcm,function = <BCM2835_FSEL_ALT5>;
 427                 brcm,pull = <BCM2835_PUD_UP>;
 428         };
 429
 430         i2c4_pins: i2c4 {
 431                 brcm,pins = <8 9>;
 432                 brcm,function = <BCM2835_FSEL_ALT5>;
 433                 brcm,pull = <BCM2835_PUD_UP>;
 434         };
 435
 436         i2c5_pins: i2c5 {
 437                 brcm,pins = <12 13>;
 438                 brcm,function = <BCM2835_FSEL_ALT5>;
 439                 brcm,pull = <BCM2835_PUD_UP>;
 440         };
 441
 442         i2c6_pins: i2c6 {
 443                 brcm,pins = <22 23>;
 444                 brcm,function = <BCM2835_FSEL_ALT5>;
 445                 brcm,pull = <BCM2835_PUD_UP>;
 446         };
 447
 448         i2s_pins: i2s {
 449                 brcm,pins = <18 19 20 21>;
 450                 brcm,function = <BCM2835_FSEL_ALT0>;
 451         };
 452
 453         sdio_pins: sdio_pins {
 454                 brcm,pins =     <34 35 36 37 38 39>;
 455                 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
 456                 brcm,pull =     <0 2 2 2 2 2>;
 457         };
 458
 459         bt_pins: bt_pins {
 460                 brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
 461                                  // to fool pinctrl
 462                 brcm,function = <0>;
 463                 brcm,pull = <2>;
 464         };
 465
 466         uart0_pins: uart0_pins {
 467                 brcm,pins = <32 33>;
 468                 brcm,function = <BCM2835_FSEL_ALT3>;
 469                 brcm,pull = <0 2>;
 470         };
 471
 472         uart1_pins: uart1_pins {
 473                 brcm,pins;
 474                 brcm,function;
 475                 brcm,pull;
 476         };
 477
 478         uart2_pins: uart2_pins {
 479                 brcm,pins = <0 1>;
 480                 brcm,function = <BCM2835_FSEL_ALT4>;
 481                 brcm,pull = <0 2>;
 482         };
 483
 484         uart3_pins: uart3_pins {
 485                 brcm,pins = <4 5>;
 486                 brcm,function = <BCM2835_FSEL_ALT4>;
 487                 brcm,pull = <0 2>;
 488         };
 489
 490         uart4_pins: uart4_pins {
 491                 brcm,pins = <8 9>;
 492                 brcm,function = <BCM2835_FSEL_ALT4>;
 493                 brcm,pull = <0 2>;
 494         };
 495
 496         uart5_pins: uart5_pins {
 497                 brcm,pins = <12 13>;
 498                 brcm,function = <BCM2835_FSEL_ALT4>;
 499                 brcm,pull = <0 2>;
 500         };
 501 };
 502
 503 &i2c0if {
 504         clock-frequency = <100000>;
 505 };
 506
 507 &i2c1 {
 508         pinctrl-names = "default";
 509         pinctrl-0 = <&i2c1_pins>;
 510         clock-frequency = <100000>;
 511 };
 512
 513 &i2s {
 514         pinctrl-names = "default";
 515         pinctrl-0 = <&i2s_pins>;
 516 };
 517
 518 // =============================================
 519 // Board specific stuff here
 520
 521 &pcie0 {
 522        brcm,enable-l1ss;
 523 };
 524
 525 &sdhost {
 526         status = "disabled";
 527 };
 528
 529 &phy1 {
 530         led-modes = <0x00 0x08>; /* link/activity link */
 531 };
 532
 533 &gpio {
 534         audio_pins: audio_pins {
 535                 brcm,pins = <>;
 536                 brcm,function = <>;
 537         };
 538 };
 539
 540 &leds {
 541         act_led: led-act {
 542                 label = "led0";
 543                 linux,default-trigger = "mmc0";
 544                 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 545         };
 546
 547         pwr_led: led-pwr {
 548                 label = "led1";
 549                 linux,default-trigger = "default-on";
 550                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 551         };
 552 };
 553
 554 &pwm1 {
 555         status = "disabled";
 556 };
 557
 558 &audio {
 559         pinctrl-names = "default";
 560         pinctrl-0 = <&audio_pins>;
 561         brcm,disable-headphones = <1>;
 562 };
 563
 564 cam0_reg: &cam1_reg {
 565         gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
 566 };
 567
 568 / {
 569         __overrides__ {
 570                 act_led_gpio = <&act_led>,"gpios:4";
 571                 act_led_activelow = <&act_led>,"gpios:8";
 572                 act_led_trigger = <&act_led>,"linux,default-trigger";
 573
 574                 pwr_led_gpio = <&pwr_led>,"gpios:4";
 575                 pwr_led_activelow = <&pwr_led>,"gpios:8";
 576                 pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 577
 578                 eth_led0 = <&phy1>,"led-modes:0";
 579                 eth_led1 = <&phy1>,"led-modes:4";
 580
 581                 ant1 =  <&ant1>,"output-high?=on",
 582                         <&ant1>, "output-low?=off",
 583                         <&ant2>, "output-high?=off",
 584                         <&ant2>, "output-low?=on";
 585                 ant2 =  <&ant1>,"output-high?=off",
 586                         <&ant1>, "output-low?=on",
 587                         <&ant2>, "output-high?=on",
 588                         <&ant2>, "output-low?=off";
 589                 noant = <&ant1>,"output-high?=off",
 590                         <&ant1>, "output-low?=on",
 591                         <&ant2>, "output-high?=off",
 592                         <&ant2>, "output-low?=on";
 593
 594                 sd_poll_once = <&emmc2>, "non-removable?";
 595                 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
 596                            <&spi0>, "dmas:8=", <&dma40>;
 597         };
 598 };