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};