47 lines
673 B
Text
47 lines
673 B
Text
|
/*
|
||
|
|
* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <zephyr/dt-bindings/led/led.h>
|
||
|
|
|
||
|
|
/ {
|
||
|
|
aliases {
|
||
|
|
led-strip = &led_strip;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
i2s_led: &i2s0 {
|
||
|
|
status = "okay";
|
||
|
|
|
||
|
|
pinctrl-0 = <&i2s0_pinconf>;
|
||
|
|
|
||
|
|
dmas = <&dma 3>;
|
||
|
|
dma-names = "tx";
|
||
|
|
|
||
|
|
led_strip: ws2812 {
|
||
|
|
compatible = "worldsemi,ws2812-i2s";
|
||
|
|
|
||
|
|
i2s-dev = <&i2s_led>;
|
||
|
|
chain-length = <46>;
|
||
|
|
color-mapping = <LED_COLOR_ID_GREEN
|
||
|
|
LED_COLOR_ID_RED
|
||
|
|
LED_COLOR_ID_BLUE>;
|
||
|
|
reset-delay = <500>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
&dma {
|
||
|
|
status = "okay";
|
||
|
|
};
|
||
|
|
|
||
|
|
&pinctrl {
|
||
|
|
i2s0_pinconf: i2s0_pinconf {
|
||
|
|
group1 {
|
||
|
|
pinmux = <I2S0_O_SD_GPIO39>;
|
||
|
|
output-enable;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|