1 // SPDX-License-Identifier: GPL-2.0
3 * Generic sigma delta modulator driver
5 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
6 * Author: Arnaud Pouliquen <arnaud.pouliquen@st.com>.
9 #include <linux/iio/iio.h>
10 #include <linux/iio/triggered_buffer.h>
11 #include <linux/module.h>
12 #include <linux/of_device.h>
14 static const struct iio_info iio_sd_mod_iio_info;
16 static const struct iio_chan_spec iio_sd_mod_ch = {
26 static int iio_sd_mod_probe(struct platform_device *pdev)
28 struct device *dev = &pdev->dev;
31 iio = devm_iio_device_alloc(dev, 0);
35 iio->name = dev_name(dev);
36 iio->info = &iio_sd_mod_iio_info;
37 iio->modes = INDIO_BUFFER_HARDWARE;
39 iio->num_channels = 1;
40 iio->channels = &iio_sd_mod_ch;
42 platform_set_drvdata(pdev, iio);
44 return devm_iio_device_register(&pdev->dev, iio);
47 static const struct of_device_id sd_adc_of_match[] = {
48 { .compatible = "sd-modulator" },
49 { .compatible = "ads1201" },
52 MODULE_DEVICE_TABLE(of, sd_adc_of_match);
54 static struct platform_driver iio_sd_mod_adc = {
56 .name = "iio_sd_adc_mod",
57 .of_match_table = of_match_ptr(sd_adc_of_match),
59 .probe = iio_sd_mod_probe,
62 module_platform_driver(iio_sd_mod_adc);
64 MODULE_DESCRIPTION("Basic sigma delta modulator");
65 MODULE_AUTHOR("Arnaud Pouliquen <arnaud.pouliquen@st.com>");
66 MODULE_LICENSE("GPL v2");