45 lines
871 B
Plaintext
45 lines
871 B
Plaintext
/*
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* Copyright (c) 2021 Seagate Technology LLC
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/led/led.h>
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#include "../f070rb-bindings.h"
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&spi1 { /* MOSI on PA7 */
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dmas = <&dma1 3 0x20440>, <&dma1 2 0x20480>;
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dma-names = "tx", "rx";
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led_strip: b1414@0 {
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compatible = "everlight,b1414", "worldsemi,ws2812-spi";
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/* SPI */
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reg = <0>; /* ignored, but necessary for SPI bindings */
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spi-max-frequency = <B1414_SPI_FREQ>;
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frame-format = <32768>; /* SPI_FRAME_FORMAT_TI */
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/* B1414 */
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chain-length = <18>; /* arbitrary; change at will */
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spi-one-frame = <B1414_ONE_FRAME>;
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spi-zero-frame = <B1414_ZERO_FRAME>;
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color-mapping = <LED_COLOR_ID_BLUE
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LED_COLOR_ID_GREEN
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LED_COLOR_ID_RED>;
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reset-delay = <250>;
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status = "okay";
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};
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};
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&dma1 {
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status = "okay";
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};
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/ {
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aliases {
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led-strip = &led_strip;
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};
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};
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