62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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/*
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* Copyright (c) 2021, Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This is not a real SPI driver. It is used to instantiate struct
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* devices for the "vnd,spi" devicetree compatible used in test code.
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*/
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#include <zephyr.h>
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#include <drivers/spi.h>
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#define DT_DRV_COMPAT vnd_spi
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static int vnd_spi_transceive(const struct device *dev,
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const struct spi_config *spi_cfg,
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const struct spi_buf_set *tx_bufs,
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const struct spi_buf_set *rx_bufs)
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{
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return -ENOTSUP;
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}
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#ifdef CONFIG_SPI_ASYNC
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static int vnd_spi_transceive_async(const struct device *dev,
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const struct spi_config *spi_cfg,
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const struct spi_buf_set *tx_bufs,
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const struct spi_buf_set *rx_bufs,
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struct k_poll_signal *async)
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{
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return -ENOTSUP;
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}
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#endif
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static int vnd_spi_release(const struct device *dev,
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const struct spi_config *spi_cfg)
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{
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return -ENOTSUP;
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}
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static const struct spi_driver_api vnd_spi_api = {
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.transceive = vnd_spi_transceive,
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#ifdef CONFIG_SPI_ASYNC
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.transceive_async = vnd_spi_transceive_async,
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#endif
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.release = vnd_spi_release,
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};
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static int vnd_spi_init(const struct device *dev)
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{
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return 0;
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}
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#define VND_SPI_INIT(n) \
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DEVICE_DT_INST_DEFINE(n, &vnd_spi_init, device_pm_control_nop, \
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NULL, NULL, POST_KERNEL, \
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CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
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&vnd_spi_api);
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DT_INST_FOREACH_STATUS_OKAY(VND_SPI_INIT)
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