175 lines
3.1 KiB
Plaintext
175 lines
3.1 KiB
Plaintext
/*
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* Copyright (c) 2021 Yonatan Schachter
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* Copyright (c) 2023 Seeed Studio inc.
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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 "xiao_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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#include <zephyr/dt-bindings/pwm/pwm.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 = &uart0;
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zephyr,shell-uart = &uart0;
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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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pwm-led0 = &pwm_led0;
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led0 = &blue_led;
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led1 = &green_led;
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led2 = &red_led;
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};
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pwm_leds {
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compatible = "pwm-leds";
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status = "disabled";
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pwm_led0: pwm_led_0 {
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pwms = <&pwm 9 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
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label = "PWM_LED";
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};
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};
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leds {
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compatible = "gpio-leds";
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blue_led: blue_led {
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gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
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label = "BLUE_LED";
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};
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green_led: green_led {
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gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
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label = "GREEN_LED";
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};
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red_led: red_led {
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gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
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label = "RED_LED";
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};
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};
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};
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&pwm {
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pinctrl-0 = <&pwm_ch4b_default>;
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pinctrl-names = "default";
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divider-int-0 = <255>;
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};
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&flash0 {
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/*
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* 2MB of flash minus the 0x100 used for the second stage bootloader
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*/
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reg = <0x10000000 DT_SIZE_M(2)>;
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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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code_partition: partition@100 {
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label = "code";
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reg = <0x100 (DT_SIZE_M(2) - 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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&timer {
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status = "okay";
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};
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&uart0 {
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current-speed = <115200>;
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status = "okay";
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pinctrl-0 = <&uart0_default>;
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pinctrl-names = "default";
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};
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&i2c1 {
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status = "okay";
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pinctrl-0 = <&i2c1_default>;
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pinctrl-names = "default";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi0 {
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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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clock-frequency = <DT_FREQ_M(8)>;
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};
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&gpio0 {
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status = "okay";
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/*
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* The neopixel on this board has its positive side hooked up to a GPIO pin
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* rather than a positive voltage rail to save on power. This will enable
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* 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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&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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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_pio0_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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