137 lines
2.5 KiB
Plaintext
137 lines
2.5 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2022 Stefan Wahren <stefan.wahren@i2se.com>
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*/
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/dts-v1/;
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#include "bcm2837.dtsi"
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#include "bcm2836-rpi.dtsi"
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#include "bcm283x-rpi-usb-otg.dtsi"
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#include "bcm283x-rpi-wifi-bt.dtsi"
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/ {
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compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837";
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model = "Raspberry Pi Zero 2 W";
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memory@0 {
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device_type = "memory";
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reg = <0 0x20000000>;
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};
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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 29 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&bt {
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shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
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};
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&gpio {
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/*
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* This is based on the official GPU firmware DT blob.
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*
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* Legend:
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* "NC" = not connected (no rail from the SoC)
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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",
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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",
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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",
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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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"TXD0",
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"RXD0",
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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",
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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",
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"GPIO26",
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"GPIO27",
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"HDMI_HPD_N",
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"STATUS_LED_N",
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"NC", /* GPIO30 */
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"NC", /* GPIO31 */
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"NC", /* GPIO32 */
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"NC", /* GPIO33 */
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"NC", /* GPIO34 */
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"NC", /* GPIO35 */
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"NC", /* GPIO36 */
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"NC", /* GPIO37 */
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"NC", /* GPIO38 */
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"NC", /* GPIO39 */
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"CAM_GPIO0", /* GPIO40 */
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"WL_ON", /* GPIO41 */
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"BT_ON", /* GPIO42 */
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"WIFI_CLK", /* GPIO43 */
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"SDA0", /* GPIO44 */
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"SCL0", /* GPIO45 */
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"SMPS_SCL",
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"SMPS_SDA",
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/* Used by SD Card */
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"SD_CLK_R",
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"SD_CMD_R",
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"SD_DATA0_R",
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"SD_DATA1_R",
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"SD_DATA2_R",
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"SD_DATA3_R";
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pinctrl-0 = <&gpioout &alt0>;
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};
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&hdmi {
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hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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status = "okay";
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};
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&sdhci {
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pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
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};
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&sdhost {
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pinctrl-names = "default";
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pinctrl-0 = <&sdhost_gpio48>;
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bus-width = <4>;
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status = "okay";
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
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};
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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 = <&gpio 41 GPIO_ACTIVE_LOW>;
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};
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