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37 lines
749 B
37 lines
749 B
/* |
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* Copyright (c) 2020 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 = <9>; |
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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 = <8>; /* number of LEDs */ |
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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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