1/*
 2 * clk-max77686.c - Clock driver for Maxim 77686
 3 *
 4 * Copyright (C) 2012 Samsung Electornics
 5 * Jonghwa Lee <jonghwa3.lee@samsung.com>
 6 *
 7 * This program is free software; you can redistribute  it and/or modify it
 8 * under  the terms of  the GNU General  Public License as published by the
 9 * Free Software Foundation;  either version 2 of the  License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20 *
21 */
22
23#include <linux/kernel.h>
24#include <linux/slab.h>
25#include <linux/err.h>
26#include <linux/module.h>
27#include <linux/platform_device.h>
28#include <linux/mfd/max77686.h>
29#include <linux/mfd/max77686-private.h>
30#include <linux/clk-provider.h>
31#include <linux/mutex.h>
32#include <linux/clkdev.h>
33
34#include <dt-bindings/clock/maxim,max77686.h>
35#include "clk-max-gen.h"
36
37static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = {
38	[MAX77686_CLK_AP] = {
39		.name = "32khz_ap",
40		.ops = &max_gen_clk_ops,
41	},
42	[MAX77686_CLK_CP] = {
43		.name = "32khz_cp",
44		.ops = &max_gen_clk_ops,
45	},
46	[MAX77686_CLK_PMIC] = {
47		.name = "32khz_pmic",
48		.ops = &max_gen_clk_ops,
49	},
50};
51
52static int max77686_clk_probe(struct platform_device *pdev)
53{
54	struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
55
56	return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ,
57				 max77686_clks_init, MAX77686_CLKS_NUM);
58}
59
60static int max77686_clk_remove(struct platform_device *pdev)
61{
62	return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM);
63}
64
65static const struct platform_device_id max77686_clk_id[] = {
66	{ "max77686-clk", 0},
67	{ },
68};
69MODULE_DEVICE_TABLE(platform, max77686_clk_id);
70
71static struct platform_driver max77686_clk_driver = {
72	.driver = {
73		.name  = "max77686-clk",
74	},
75	.probe = max77686_clk_probe,
76	.remove = max77686_clk_remove,
77	.id_table = max77686_clk_id,
78};
79
80module_platform_driver(max77686_clk_driver);
81
82MODULE_DESCRIPTION("MAXIM 77686 Clock Driver");
83MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
84MODULE_LICENSE("GPL");