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