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