114 lines
2.2 KiB
Plaintext
114 lines
2.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include "bcm2711.dtsi"
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#include "bcm2711-rpi.dtsi"
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#include "bcm283x-rpi-wifi-bt.dtsi"
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/ {
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compatible = "raspberrypi,4-compute-module", "brcm,bcm2711";
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chosen {
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/* 8250 auxiliary UART instead of pl011 */
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stdout-path = "serial1:115200n8";
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};
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sd_io_1v8_reg: regulator-sd-io-1v8 {
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compatible = "regulator-gpio";
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regulator-name = "vdd-sd-io";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-settling-time-us = <5000>;
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gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
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states = <1800000 0x1>,
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<3300000 0x0>;
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status = "okay";
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};
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sd_vcc_reg: regulator-sd-vcc {
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compatible = "regulator-fixed";
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regulator-name = "vcc-sd";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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enable-active-high;
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gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
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};
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};
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&bt {
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shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
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};
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/* EMMC2 is used to drive the eMMC */
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&emmc2 {
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bus-width = <8>;
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vqmmc-supply = <&sd_io_1v8_reg>;
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vmmc-supply = <&sd_vcc_reg>;
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broken-cd;
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/* Even the IP block is limited to 100 MHz
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* this provides a throughput gain
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*/
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mmc-hs200-1_8v;
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status = "okay";
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};
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&expgpio {
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gpio-line-names = "BT_ON",
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"WL_ON",
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"PWR_LED_OFF",
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"ANT1",
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"VDD_SD_IO_SEL",
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"CAM_GPIO",
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"SD_PWR_ON",
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"ANT2";
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ant1: ant1-hog {
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gpio-hog;
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gpios = <3 GPIO_ACTIVE_HIGH>;
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/* internal antenna enabled */
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output-high;
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line-name = "ant1";
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};
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ant2: ant2-hog {
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gpio-hog;
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gpios = <7 GPIO_ACTIVE_HIGH>;
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/* external antenna disabled */
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output-low;
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line-name = "ant2";
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};
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};
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&genet {
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phy-handle = <&phy1>;
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phy-mode = "rgmii-rxid";
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status = "okay";
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};
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&genet_mdio {
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phy1: ethernet-phy@0 {
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/* No PHY interrupt */
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reg = <0x0>;
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};
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};
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
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uart-has-rtscts;
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};
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/* uart1 is mapped to the pin header */
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_gpio14>;
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status = "okay";
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};
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&wifi_pwrseq {
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reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
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};
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