138 lines
2.5 KiB
Plaintext
138 lines
2.5 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2022 Stefan Wahren <stefan.wahren@i2se.com>
|
|
*/
|
|
|
|
/dts-v1/;
|
|
#include "bcm2837.dtsi"
|
|
#include "bcm2836-rpi.dtsi"
|
|
#include "bcm283x-rpi-led-deprecated.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";
|
|
};
|
|
};
|
|
|
|
&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-names = "default";
|
|
pinctrl-0 = <&gpioout &alt0>;
|
|
};
|
|
|
|
&hdmi {
|
|
hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
|
|
power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
|
|
status = "okay";
|
|
};
|
|
|
|
&led_act {
|
|
gpios = <&gpio 29 GPIO_ACTIVE_LOW>;
|
|
};
|
|
|
|
&sdhci {
|
|
pinctrl-names = "default";
|
|
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>;
|
|
};
|