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&spi1 {
compatible = "nordic,nrf-spim";
status = "okay";
mosi-pin = <6>;
// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
sck-pin = <12>; // 0.12 is not broken out on the nRFMicro
miso-pin = <22>; // 0.22 is not broken out on the nRFMicro
led_strip: ws2812@0 {
compatible = "worldsemi,ws2812-spi";
label = "WS2812";
/* SPI */
reg = <0>; /* ignored, but necessary for SPI bindings */
spi-max-frequency = <4000000>;
/* WS2812 */
chain-length = <10>; /* arbitrary; change at will */
spi-one-frame = <0x70>;
spi-zero-frame = <0x40>;
};
};
/ {
chosen {
zmk,underglow = &led_strip;
};
};
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