mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 20:01:55 +00:00
9816d85923
After commitb8a1a4cd5a("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then03c835f498("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20230515182752.10050-1-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* sky81452.c SKY81452 MFD driver
|
|
*
|
|
* Copyright 2014 Skyworks Solutions Inc.
|
|
* Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/err.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/mfd/core.h>
|
|
#include <linux/mfd/sky81452.h>
|
|
|
|
static const struct regmap_config sky81452_config = {
|
|
.reg_bits = 8,
|
|
.val_bits = 8,
|
|
};
|
|
|
|
static int sky81452_probe(struct i2c_client *client)
|
|
{
|
|
struct device *dev = &client->dev;
|
|
const struct sky81452_platform_data *pdata = dev_get_platdata(dev);
|
|
struct mfd_cell cells[2];
|
|
struct regmap *regmap;
|
|
int ret;
|
|
|
|
if (!pdata) {
|
|
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
return -ENOMEM;
|
|
}
|
|
|
|
regmap = devm_regmap_init_i2c(client, &sky81452_config);
|
|
if (IS_ERR(regmap)) {
|
|
dev_err(dev, "failed to initialize.err=%ld\n", PTR_ERR(regmap));
|
|
return PTR_ERR(regmap);
|
|
}
|
|
|
|
i2c_set_clientdata(client, regmap);
|
|
|
|
memset(cells, 0, sizeof(cells));
|
|
cells[0].name = "sky81452-backlight";
|
|
cells[0].of_compatible = "skyworks,sky81452-backlight";
|
|
cells[1].name = "sky81452-regulator";
|
|
cells[1].platform_data = pdata->regulator_init_data;
|
|
cells[1].pdata_size = sizeof(*pdata->regulator_init_data);
|
|
|
|
ret = devm_mfd_add_devices(dev, -1, cells, ARRAY_SIZE(cells),
|
|
NULL, 0, NULL);
|
|
if (ret)
|
|
dev_err(dev, "failed to add child devices. err=%d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct i2c_device_id sky81452_ids[] = {
|
|
{ "sky81452" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, sky81452_ids);
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id sky81452_of_match[] = {
|
|
{ .compatible = "skyworks,sky81452", },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sky81452_of_match);
|
|
#endif
|
|
|
|
static struct i2c_driver sky81452_driver = {
|
|
.driver = {
|
|
.name = "sky81452",
|
|
.of_match_table = of_match_ptr(sky81452_of_match),
|
|
},
|
|
.probe = sky81452_probe,
|
|
.id_table = sky81452_ids,
|
|
};
|
|
|
|
module_i2c_driver(sky81452_driver);
|
|
|
|
MODULE_DESCRIPTION("Skyworks SKY81452 MFD driver");
|
|
MODULE_AUTHOR("Gyungoh Yoo <jack.yoo@skyworksinc.com>");
|
|
MODULE_LICENSE("GPL v2");
|