2020-08-19 05:27:19 +10:00
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&spi1 {
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2020-11-11 09:16:40 +11:00
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compatible = "nordic,nrf-spim";
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2020-08-19 05:27:19 +10:00
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status = "okay";
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mosi-pin = <6>;
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// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
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sck-pin = <12>; // 0.12 is not broken out on the nRFMicro
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miso-pin = <22>; // 0.22 is not broken out on the nRFMicro
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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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};
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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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