#include <zephyr/dt-bindings/led/led.h>

/* Wiring:
 * - M1.S connected to GND
 * - SDOUT connected to M1.D
 * - ~300 ohm resistor between M1.D and TP5 (5V / Vbus)
 */

&pinctrl {
	i2s0_default_alt: i2s0_default_alt {
		group1 {
			psels = <NRF_PSEL(I2S_SCK_M, 0, 20)>,
				<NRF_PSEL(I2S_LRCK_M, 0, 19)>,
				<NRF_PSEL(I2S_SDOUT, 0, 18)>,
				<NRF_PSEL(I2S_SDIN, 0, 21)>;
		};
	};
};

i2s_led: &i2s0 {
	status = "okay";
	pinctrl-0 = <&i2s0_default_alt>;
	pinctrl-names = "default";

	led_strip: ws2812 {
		compatible = "worldsemi,ws2812-i2s";

		i2s-dev = < &i2s_led >;
		chain-length = <10>; /* arbitrary; change at will */
		color-mapping = <LED_COLOR_ID_GREEN
					LED_COLOR_ID_RED
					LED_COLOR_ID_BLUE>;
		out-active-low;
		reset-delay = <120>;
	};
};

/ {
	aliases {
		led-strip = &led_strip;
	};
};