Home | History | Annotate | Line # | Download | only in broadcom 
      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 };
    114