38 lines
761 B
Plaintext
38 lines
761 B
Plaintext
/*
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* Copyright (c) 2022 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <dt-bindings/led/led.h>
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&spi1 {
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compatible = "nordic,nrf-spim";
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status = "okay";
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mosi-pin = <10>;
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// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
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sck-pin = <5>;
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miso-pin = <7>;
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led_strip: ws2812@0 {
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compatible = "worldsemi,ws2812-spi";
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label = "WS2812";
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/* SPI */
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reg = <0>; /* ignored, but necessary for SPI bindings */
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spi-max-frequency = <4000000>;
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/* WS2812 */
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chain-length = <5>; /* arbitrary; change at will */
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spi-one-frame = <0x70>;
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spi-zero-frame = <0x40>;
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color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;
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};
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};
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/ {
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chosen {
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zmk,underglow = &led_strip;
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};
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};
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