blob: fd4761dfcfec9e6732218598e61c88e665b7beb9 [file] [log] [blame]
/*
* Copyright (c) 2021, STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/led/led.h>
&lpspi3 {
led_strip: ws2812@0 {
compatible = "worldsemi,ws2812-spi";
/* SPI */
reg = <0>; /* ignored, but necessary for SPI bindings */
spi-max-frequency = <6400000>;
/* WS2812 */
chain-length = <2>; /* arbitrary; change at will */
spi-cpha;
spi-one-frame = <0xf0>; /* 11110000: 625 ns high and 625 ns low */
spi-zero-frame = <0xc0>; /* 11000000: 312.5 ns high and 937.5 ns low */
color-mapping = <LED_COLOR_ID_GREEN
LED_COLOR_ID_RED
LED_COLOR_ID_BLUE>;
};
};
/ {
aliases {
led-strip = &led_strip;
};
};