67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Honeywell ABP2 series pressure sensor driver
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*
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* Copyright (c) 2025 Petre Rodan <petre.rodan@subdimension.ro>
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*/
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/spi/spi.h>
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#include <linux/types.h>
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#include "abp2030pa.h"
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static int abp2_spi_xfer(struct abp2_data *data, u8 cmd, u8 nbytes)
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{
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struct spi_device *spi = to_spi_device(data->dev);
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struct spi_transfer xfer = { };
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if (nbytes > ABP2_MEASUREMENT_RD_SIZE)
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return -EOVERFLOW;
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data->tx_buf[0] = cmd;
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xfer.tx_buf = data->tx_buf;
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xfer.rx_buf = data->rx_buf;
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xfer.len = nbytes;
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return spi_sync_transfer(spi, &xfer, 1);
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}
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static const struct abp2_ops abp2_spi_ops = {
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.read = abp2_spi_xfer,
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.write = abp2_spi_xfer,
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};
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static int abp2_spi_probe(struct spi_device *spi)
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{
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return abp2_common_probe(&spi->dev, &abp2_spi_ops, spi->irq);
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}
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static const struct of_device_id abp2_spi_match[] = {
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{ .compatible = "honeywell,abp2030pa" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, abp2_spi_match);
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static const struct spi_device_id abp2_spi_id[] = {
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{ "abp2030pa" },
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{ }
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};
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MODULE_DEVICE_TABLE(spi, abp2_spi_id);
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static struct spi_driver abp2_spi_driver = {
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.driver = {
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.name = "abp2030pa",
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.of_match_table = abp2_spi_match,
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},
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.probe = abp2_spi_probe,
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.id_table = abp2_spi_id,
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};
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module_spi_driver(abp2_spi_driver);
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MODULE_AUTHOR("Petre Rodan <petre.rodan@subdimension.ro>");
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MODULE_DESCRIPTION("Honeywell ABP2 pressure sensor spi driver");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS("IIO_HONEYWELL_ABP2030PA");
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