160 lines
2.9 KiB
Plaintext
160 lines
2.9 KiB
Plaintext
/*
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* Copyright (c) 2021 Yonatan Schachter
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* Copyright (c) 2022 Peter Johanson
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <rpi_pico/rp2040.dtsi>
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#include "adafruit_qt_py_rp2040-pinctrl.dtsi"
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#include "seeed_xiao_connector.dtsi"
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#include <freq.h>
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#include <zephyr/dt-bindings/led/led.h>
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/ {
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,flash-controller = &ssi;
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zephyr,console = &uart1;
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zephyr,shell-uart = &uart1;
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zephyr,code-partition = &code_partition;
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};
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aliases {
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watchdog0 = &wdt0;
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led-strip = &ws2812;
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};
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};
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&flash0 {
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reg = <0x10000000 DT_SIZE_M(8)>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Reserved memory for the second stage bootloader */
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second_stage_bootloader: partition@0 {
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label = "second_stage_bootloader";
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reg = <0x00000000 0x100>;
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read-only;
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};
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/*
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* Usable flash. Starts at 0x100, after the bootloader. The partition
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* size is 8MB minus the 0x100 bytes taken by the bootloader.
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*/
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code_partition: partition@100 {
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label = "code-partition";
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reg = <0x100 (DT_SIZE_M(8) - 0x100)>;
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read-only;
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};
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};
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};
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&clocks {
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pinctrl-0 = <&clocks_default>;
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pinctrl-names = "default";
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};
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&uart1 {
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current-speed = <115200>;
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status = "okay";
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pinctrl-0 = <&uart1_default>;
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pinctrl-names = "default";
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};
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&gpio0 {
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status = "okay";
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/*
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* Unlike some of the other Adafruit boards, the neopixel on this board has
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* its positive side hooked up to a GPIO pin rather than a positive voltage
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* rail to save on power. This will enable the LED on board initialization.
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*/
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neopixel-power-enable {
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gpio-hog;
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gpios = <11 GPIO_ACTIVE_HIGH>;
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output-high;
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};
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};
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&i2c0 {
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clock-frequency = <I2C_BITRATE_FAST>;
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status = "okay";
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pinctrl-0 = <&i2c0_default>;
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pinctrl-names = "default";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_default>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi0 {
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clock-frequency = <DT_FREQ_M(8)>;
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status = "okay";
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pinctrl-0 = <&spi0_default>;
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pinctrl-names = "default";
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};
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&timer {
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status = "okay";
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};
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&wdt0 {
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status = "okay";
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};
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&adc {
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status = "okay";
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pinctrl-0 = <&adc_default>;
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pinctrl-names = "default";
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};
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&pio0 {
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status = "okay";
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};
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&pio1 {
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status = "okay";
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/*
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* Need to put this on PIO1 as having this on PIO0 causes the GPIO hog to
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* not work.
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*/
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pio-ws2812 {
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compatible = "worldsemi,ws2812-rpi_pico-pio";
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status = "okay";
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pinctrl-0 = <&ws2812_pio1_default>;
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pinctrl-names = "default";
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bit-waveform = <3>, <3>, <4>;
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ws2812: ws2812 {
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status = "okay";
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gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
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chain-length = <1>;
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color-mapping = <LED_COLOR_ID_GREEN
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LED_COLOR_ID_RED
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LED_COLOR_ID_BLUE>;
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reset-delay = <280>;
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frequency = <800000>;
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};
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};
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};
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zephyr_udc0: &usbd {
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status = "okay";
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};
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&vreg {
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regulator-always-on;
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regulator-allowed-modes = <REGULATOR_RPI_PICO_MODE_NORMAL>;
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};
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