// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2022 Stefan Wahren */ /dts-v1/; #include "bcm2837.dtsi" #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-usb-otg.dtsi" #include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837"; model = "Raspberry Pi Zero 2 W"; memory@0 { device_type = "memory"; reg = <0 0x20000000>; }; chosen { /* 8250 auxiliary UART instead of pl011 */ stdout-path = "serial1:115200n8"; }; leds { led-act { gpios = <&gpio 29 GPIO_ACTIVE_LOW>; }; }; }; &bt { shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; }; &gpio { /* * This is based on the official GPU firmware DT blob. * * Legend: * "NC" = not connected (no rail from the SoC) * "FOO" = GPIO line named "FOO" on the schematic * "FOO_N" = GPIO line named "FOO" on schematic, active low */ gpio-line-names = "ID_SDA", "ID_SCL", "SDA1", "SCL1", "GPIO_GCLK", "GPIO5", "GPIO6", "SPI_CE1_N", "SPI_CE0_N", "SPI_MISO", "SPI_MOSI", "SPI_SCLK", "GPIO12", "GPIO13", /* Serial port */ "TXD0", "RXD0", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "HDMI_HPD_N", "STATUS_LED_N", "NC", /* GPIO30 */ "NC", /* GPIO31 */ "NC", /* GPIO32 */ "NC", /* GPIO33 */ "NC", /* GPIO34 */ "NC", /* GPIO35 */ "NC", /* GPIO36 */ "NC", /* GPIO37 */ "NC", /* GPIO38 */ "NC", /* GPIO39 */ "CAM_GPIO0", /* GPIO40 */ "WL_ON", /* GPIO41 */ "BT_ON", /* GPIO42 */ "WIFI_CLK", /* GPIO43 */ "SDA0", /* GPIO44 */ "SCL0", /* GPIO45 */ "SMPS_SCL", "SMPS_SDA", /* Used by SD Card */ "SD_CLK_R", "SD_CMD_R", "SD_DATA0_R", "SD_DATA1_R", "SD_DATA2_R", "SD_DATA3_R"; pinctrl-0 = <&gpioout &alt0>; }; &hdmi { hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; &sdhci { pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; }; &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; bus-width = <4>; status = "okay"; }; &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; }; &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; &wifi_pwrseq { reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; };