243 lines
4.1 KiB
Plaintext
243 lines
4.1 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-usb-peripheral.dtsi"
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#include "bcm283x-rpi-wifi-bt.dtsi"
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/ {
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compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
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model = "Raspberry Pi 4 Model B";
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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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leds {
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led-act {
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gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
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};
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led-pwr {
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label = "PWR";
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gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
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default-state = "keep";
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linux,default-trigger = "default-on";
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};
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};
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sd_io_1v8_reg: sd_io_1v8_reg {
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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: sd_vcc_reg {
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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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&ddc0 {
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status = "okay";
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};
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&ddc1 {
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status = "okay";
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};
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&expgpio {
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gpio-line-names = "BT_ON", /* 0 */
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"WL_ON",
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"PWR_LED_OFF",
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"GLOBAL_RESET",
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"VDD_SD_IO_SEL",
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"CAM_GPIO", /* 5 */
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"SD_PWR_ON",
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"";
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};
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&gpio {
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/*
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* Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
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* the official GPU firmware DT blob.
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*
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* Legend:
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* "FOO" = GPIO line named "FOO" on the schematic
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* "FOO_N" = GPIO line named "FOO" on schematic, active low
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*/
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gpio-line-names = "ID_SDA", /* 0 */
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"ID_SCL",
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"SDA1",
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"SCL1",
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"GPIO_GCLK",
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"GPIO5", /* 5 */
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"GPIO6",
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"SPI_CE1_N",
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"SPI_CE0_N",
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"SPI_MISO",
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"SPI_MOSI", /* 10 */
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"SPI_SCLK",
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"GPIO12",
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"GPIO13",
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/* Serial port */
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"TXD1",
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"RXD1", /* 15 */
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"GPIO16",
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"GPIO17",
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"GPIO18",
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"GPIO19",
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"GPIO20", /* 20 */
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"GPIO21",
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"GPIO22",
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"GPIO23",
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"GPIO24",
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"GPIO25", /* 25 */
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"GPIO26",
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"GPIO27",
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"RGMII_MDIO",
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"RGMIO_MDC",
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/* Used by BT module */
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"CTS0", /* 30 */
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"RTS0",
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"TXD0",
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"RXD0",
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/* Used by Wifi */
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"SD1_CLK",
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"SD1_CMD", /* 35 */
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"SD1_DATA0",
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"SD1_DATA1",
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"SD1_DATA2",
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"SD1_DATA3",
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/* Shared with SPI flash */
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"PWM0_MISO", /* 40 */
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"PWM1_MOSI",
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"STATUS_LED_G_CLK",
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"SPIFLASH_CE_N",
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"SDA0",
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"SCL0", /* 45 */
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"RGMII_RXCLK",
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"RGMII_RXCTL",
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"RGMII_RXD0",
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"RGMII_RXD1",
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"RGMII_RXD2", /* 50 */
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"RGMII_RXD3",
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"RGMII_TXCLK",
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"RGMII_TXCTL",
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"RGMII_TXD0",
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"RGMII_TXD1", /* 55 */
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"RGMII_TXD2",
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"RGMII_TXD3";
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};
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&hdmi0 {
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status = "okay";
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};
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&hdmi1 {
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status = "okay";
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};
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&pixelvalve0 {
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status = "okay";
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};
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&pixelvalve1 {
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status = "okay";
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};
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&pixelvalve2 {
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status = "okay";
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};
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&pixelvalve4 {
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status = "okay";
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};
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&pwm1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
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status = "okay";
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};
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/* EMMC2 is used to drive the SD card */
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&emmc2 {
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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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status = "okay";
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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@1 {
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/* No PHY interrupt */
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reg = <0x1>;
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};
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};
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&pcie0 {
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pci@0,0 {
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device_type = "pci";
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#address-cells = <3>;
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#size-cells = <2>;
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ranges;
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reg = <0 0 0 0 0>;
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usb@0,0 {
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reg = <0 0 0 0 0>;
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resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
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};
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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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&vc4 {
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status = "okay";
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};
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&vec {
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status = "disabled";
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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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