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