48 lines
1007 B
Plaintext
48 lines
1007 B
Plaintext
#include <dt-bindings/led/led.h>
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&pinctrl {
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spi3_default: spi3_default {
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group1 {
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psels = <NRF_PSEL(SPIM_MOSI, 0, 31)>;
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};
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};
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spi3_sleep: spi3_sleep {
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group1 {
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psels = <NRF_PSEL(SPIM_MOSI, 0, 31)>;
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low-power-enable;
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};
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};
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};
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&spi3 {
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compatible = "nordic,nrf-spim";
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status = "okay";
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pinctrl-0 = <&spi3_default>;
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pinctrl-1 = <&spi3_sleep>;
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pinctrl-names = "default", "sleep";
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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 = <10>; /* 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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