mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 05:20:25 +07:00
34eb7366bc
Dropping of_match_ptr allows this driver to be used with ACPI. The header includes are adjusted to include platform_device.h and mod_devicetable.h instead of OF specific header as nothing from that header itself is actually used. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Arnaud Pouliquen <arnaud.pouliquen@st.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Generic sigma delta modulator driver
|
|
*
|
|
* Copyright (C) 2017, STMicroelectronics - All Rights Reserved
|
|
* Author: Arnaud Pouliquen <arnaud.pouliquen@st.com>.
|
|
*/
|
|
|
|
#include <linux/iio/iio.h>
|
|
#include <linux/iio/triggered_buffer.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
static const struct iio_info iio_sd_mod_iio_info;
|
|
|
|
static const struct iio_chan_spec iio_sd_mod_ch = {
|
|
.type = IIO_VOLTAGE,
|
|
.indexed = 1,
|
|
.scan_type = {
|
|
.sign = 'u',
|
|
.realbits = 1,
|
|
.shift = 0,
|
|
},
|
|
};
|
|
|
|
static int iio_sd_mod_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct iio_dev *iio;
|
|
|
|
iio = devm_iio_device_alloc(dev, 0);
|
|
if (!iio)
|
|
return -ENOMEM;
|
|
|
|
iio->name = dev_name(dev);
|
|
iio->info = &iio_sd_mod_iio_info;
|
|
iio->modes = INDIO_BUFFER_HARDWARE;
|
|
|
|
iio->num_channels = 1;
|
|
iio->channels = &iio_sd_mod_ch;
|
|
|
|
platform_set_drvdata(pdev, iio);
|
|
|
|
return devm_iio_device_register(&pdev->dev, iio);
|
|
}
|
|
|
|
static const struct of_device_id sd_adc_of_match[] = {
|
|
{ .compatible = "sd-modulator" },
|
|
{ .compatible = "ads1201" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sd_adc_of_match);
|
|
|
|
static struct platform_driver iio_sd_mod_adc = {
|
|
.driver = {
|
|
.name = "iio_sd_adc_mod",
|
|
.of_match_table = sd_adc_of_match,
|
|
},
|
|
.probe = iio_sd_mod_probe,
|
|
};
|
|
|
|
module_platform_driver(iio_sd_mod_adc);
|
|
|
|
MODULE_DESCRIPTION("Basic sigma delta modulator");
|
|
MODULE_AUTHOR("Arnaud Pouliquen <arnaud.pouliquen@st.com>");
|
|
MODULE_LICENSE("GPL v2");
|