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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * wm8350-i2c.c  --  Generic I2C driver for Wolfson WM8350 PMIC4 *5 * Copyright 2007, 2008 Wolfson Microelectronics PLC.6 *7 * Author: Liam Girdwood8 *         linux@wolfsonmicro.com9 */10 11#include <linux/err.h>12#include <linux/init.h>13#include <linux/i2c.h>14#include <linux/platform_device.h>15#include <linux/mfd/wm8350/core.h>16#include <linux/regmap.h>17#include <linux/slab.h>18 19static int wm8350_i2c_probe(struct i2c_client *i2c)20{21	struct wm8350 *wm8350;22	struct wm8350_platform_data *pdata = dev_get_platdata(&i2c->dev);23	int ret = 0;24 25	wm8350 = devm_kzalloc(&i2c->dev, sizeof(struct wm8350), GFP_KERNEL);26	if (wm8350 == NULL)27		return -ENOMEM;28 29	wm8350->regmap = devm_regmap_init_i2c(i2c, &wm8350_regmap);30	if (IS_ERR(wm8350->regmap)) {31		ret = PTR_ERR(wm8350->regmap);32		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",33			ret);34		return ret;35	}36 37	i2c_set_clientdata(i2c, wm8350);38	wm8350->dev = &i2c->dev;39 40	return wm8350_device_init(wm8350, i2c->irq, pdata);41}42 43static const struct i2c_device_id wm8350_i2c_id[] = {44	{ "wm8350" },45	{ "wm8351" },46	{ "wm8352" },47	{ }48};49 50static struct i2c_driver wm8350_i2c_driver = {51	.driver = {52		   .name = "wm8350",53		   .suppress_bind_attrs = true,54	},55	.probe = wm8350_i2c_probe,56	.id_table = wm8350_i2c_id,57};58 59static int __init wm8350_i2c_init(void)60{61	return i2c_add_driver(&wm8350_i2c_driver);62}63/* init early so consumer devices can complete system boot */64subsys_initcall(wm8350_i2c_init);65