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 "bcm2835-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         /* Will be filled by the bootloader */
  17         memory@0 {
  18                 device_type = "memory";
  19                 reg = <0 0 0>;
  20         };
  21
  22         aliases {
  23                 ethernet0 = &genet;
  24                 pcie0 = &pcie0;
  25         };
  26
  27         leds {
  28                 act {
  29                         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
  30                 };
  31
  32                 pwr {
  33                         label = "PWR";
  34                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  35                         default-state = "keep";
  36                         linux,default-trigger = "default-on";
  37                 };
  38         };
  39
  40         wifi_pwrseq: wifi-pwrseq {
  41                 compatible = "mmc-pwrseq-simple";
  42                 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
  43         };
  44
  45         sd_io_1v8_reg: sd_io_1v8_reg {
  46                 compatible = "regulator-gpio";
  47                 regulator-name = "vdd-sd-io";
  48                 regulator-min-microvolt = <1800000>;
  49                 regulator-max-microvolt = <3300000>;
  50                 regulator-boot-on;
  51                 regulator-always-on;
  52                 regulator-settling-time-us = <5000>;
  53                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  54                 states = <1800000 0x1
  55                           3300000 0x0>;
  56                 status = "okay";
  57         };
  58 };
  59
  60 &firmware {
  61         expgpio: gpio {
  62                 compatible = "raspberrypi,firmware-gpio";
  63                 gpio-controller;
  64                 #gpio-cells = <2>;
  65                 gpio-line-names = "BT_ON",
  66                                   "WL_ON",
  67                                   "PWR_LED_OFF",
  68                                   "GLOBAL_RESET",
  69                                   "VDD_SD_IO_SEL",
  70                                   "CAM_GPIO",
  71                                   "",
  72                                   "";
  73                 status = "okay";
  74         };
  75 };
  76
  77 &pwm1 {
  78         pinctrl-names = "default";
  79         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
  80         status = "okay";
  81 };
  82
  83 /* SDHCI is used to control the SDIO for wireless */
  84 &sdhci {
  85         #address-cells = <1>;
  86         #size-cells = <0>;
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&emmc_gpio34>;
  89         bus-width = <4>;
  90         non-removable;
  91         mmc-pwrseq = <&wifi_pwrseq>;
  92         status = "okay";
  93
  94         brcmf: wifi@1 {
  95                 reg = <1>;
  96                 compatible = "brcm,bcm4329-fmac";
  97         };
  98 };
  99
 100 /* EMMC2 is used to drive the SD card */
 101 &emmc2 {
 102         vqmmc-supply = <&sd_io_1v8_reg>;
 103         broken-cd;
 104         status = "okay";
 105 };
 106
 107 &genet {
 108         phy-handle = <&phy1>;
 109         phy-mode = "rgmii-rxid";
 110         status = "okay";
 111 };
 112
 113 &genet_mdio {
 114         phy1: ethernet-phy@1 {
 115                 /* No PHY interrupt */
 116                 reg = <0x1>;
 117         };
 118 };
 119
 120 /* uart0 communicates with the BT module */
 121 &uart0 {
 122         pinctrl-names = "default";
 123         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 124         uart-has-rtscts;
 125         status = "okay";
 126
 127         bluetooth {
 128                 compatible = "brcm,bcm43438-bt";
 129                 max-speed = <2000000>;
 130                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 131         };
 132 };
 133
 134 /* uart1 is mapped to the pin header */
 135 &uart1 {
 136         pinctrl-names = "default";
 137         pinctrl-0 = <&uart1_gpio14>;
 138         status = "okay";
 139 };
 140
 141 &vchiq {
 142         interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 143 };