src/arm/broadcom/bcm2711-rpi-cm4.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2711.dtsi"
   4 #include "bcm2711-rpi.dtsi"
   5 #include "bcm283x-rpi-wifi-bt.dtsi"
   6
   7 / {
   8         compatible = "raspberrypi,4-compute-module", "brcm,bcm2711";
   9
  10         chosen {
  11                 /* 8250 auxiliary UART instead of pl011 */
  12                 stdout-path = "serial1:115200n8";
  13         };
  14
  15         sd_io_1v8_reg: regulator-sd-io-1v8 {
  16                 compatible = "regulator-gpio";
  17                 regulator-name = "vdd-sd-io";
  18                 regulator-min-microvolt = <1800000>;
  19                 regulator-max-microvolt = <3300000>;
  20                 regulator-boot-on;
  21                 regulator-always-on;
  22                 regulator-settling-time-us = <5000>;
  23                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  24                 states = <1800000 0x1>,
  25                          <3300000 0x0>;
  26                 status = "okay";
  27         };
  28
  29         sd_vcc_reg: regulator-sd-vcc {
  30                 compatible = "regulator-fixed";
  31                 regulator-name = "vcc-sd";
  32                 regulator-min-microvolt = <3300000>;
  33                 regulator-max-microvolt = <3300000>;
  34                 regulator-boot-on;
  35                 enable-active-high;
  36                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  37         };
  38 };
  39
  40 &bt {
  41         shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
  42 };
  43
  44 /* EMMC2 is used to drive the eMMC */
  45 &emmc2 {
  46         bus-width = <8>;
  47         vqmmc-supply = <&sd_io_1v8_reg>;
  48         vmmc-supply = <&sd_vcc_reg>;
  49         broken-cd;
  50         /* Even the IP block is limited to 100 MHz
  51          * this provides a throughput gain
  52          */
  53         mmc-hs200-1_8v;
  54         status = "okay";
  55 };
  56
  57 &expgpio {
  58         gpio-line-names = "BT_ON",
  59                           "WL_ON",
  60                           "PWR_LED_OFF",
  61                           "ANT1",
  62                           "VDD_SD_IO_SEL",
  63                           "CAM_GPIO",
  64                           "SD_PWR_ON",
  65                           "ANT2";
  66
  67         ant1: ant1-hog {
  68                 gpio-hog;
  69                 gpios = <3 GPIO_ACTIVE_HIGH>;
  70                 /* internal antenna enabled */
  71                 output-high;
  72                 line-name = "ant1";
  73         };
  74
  75         ant2: ant2-hog {
  76                 gpio-hog;
  77                 gpios = <7 GPIO_ACTIVE_HIGH>;
  78                 /* external antenna disabled */
  79                 output-low;
  80                 line-name = "ant2";
  81         };
  82 };
  83
  84 &genet {
  85         phy-handle = <&phy1>;
  86         phy-mode = "rgmii-rxid";
  87         status = "okay";
  88 };
  89
  90 &genet_mdio {
  91         phy1: ethernet-phy@0 {
  92                 /* No PHY interrupt */
  93                 reg = <0x0>;
  94         };
  95 };
  96
  97 /* uart0 communicates with the BT module */
  98 &uart0 {
  99         pinctrl-names = "default";
 100         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 101         uart-has-rtscts;
 102 };
 103
 104 /* uart1 is mapped to the pin header */
 105 &uart1 {
 106         pinctrl-names = "default";
 107         pinctrl-0 = <&uart1_gpio14>;
 108         status = "okay";
 109 };
 110
 111 &wifi_pwrseq {
 112         reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 113 };