65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* wm8350-i2c.c -- Generic I2C driver for Wolfson WM8350 PMIC
|
|
*
|
|
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
|
|
*
|
|
* Author: Liam Girdwood
|
|
* linux@wolfsonmicro.com
|
|
*/
|
|
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mfd/wm8350/core.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/slab.h>
|
|
|
|
static int wm8350_i2c_probe(struct i2c_client *i2c)
|
|
{
|
|
struct wm8350 *wm8350;
|
|
struct wm8350_platform_data *pdata = dev_get_platdata(&i2c->dev);
|
|
int ret = 0;
|
|
|
|
wm8350 = devm_kzalloc(&i2c->dev, sizeof(struct wm8350), GFP_KERNEL);
|
|
if (wm8350 == NULL)
|
|
return -ENOMEM;
|
|
|
|
wm8350->regmap = devm_regmap_init_i2c(i2c, &wm8350_regmap);
|
|
if (IS_ERR(wm8350->regmap)) {
|
|
ret = PTR_ERR(wm8350->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
i2c_set_clientdata(i2c, wm8350);
|
|
wm8350->dev = &i2c->dev;
|
|
|
|
return wm8350_device_init(wm8350, i2c->irq, pdata);
|
|
}
|
|
|
|
static const struct i2c_device_id wm8350_i2c_id[] = {
|
|
{ "wm8350", 0 },
|
|
{ "wm8351", 0 },
|
|
{ "wm8352", 0 },
|
|
{ }
|
|
};
|
|
|
|
static struct i2c_driver wm8350_i2c_driver = {
|
|
.driver = {
|
|
.name = "wm8350",
|
|
.suppress_bind_attrs = true,
|
|
},
|
|
.probe_new = wm8350_i2c_probe,
|
|
.id_table = wm8350_i2c_id,
|
|
};
|
|
|
|
static int __init wm8350_i2c_init(void)
|
|
{
|
|
return i2c_add_driver(&wm8350_i2c_driver);
|
|
}
|
|
/* init early so consumer devices can complete system boot */
|
|
subsys_initcall(wm8350_i2c_init);
|