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/platform_device.h>
27#include <linux/mfd/max77686.h>
28#include <linux/mfd/max77686-private.h>
29#include <linux/clk-provider.h>
30#include <linux/mutex.h>
31#include <linux/clkdev.h>
32
33#include <dt-bindings/clock/maxim,max77686.h>
34#include "clk-max-gen.h"
35
36static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = {
37	[MAX77686_CLK_AP] = {
38		.name = "32khz_ap",
39		.ops = &max_gen_clk_ops,
40		.flags = CLK_IS_ROOT,
41	},
42	[MAX77686_CLK_CP] = {
43		.name = "32khz_cp",
44		.ops = &max_gen_clk_ops,
45		.flags = CLK_IS_ROOT,
46	},
47	[MAX77686_CLK_PMIC] = {
48		.name = "32khz_pmic",
49		.ops = &max_gen_clk_ops,
50		.flags = CLK_IS_ROOT,
51	},
52};
53
54static int max77686_clk_probe(struct platform_device *pdev)
55{
56	struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
57
58	return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ,
59				 max77686_clks_init, MAX77686_CLKS_NUM);
60}
61
62static int max77686_clk_remove(struct platform_device *pdev)
63{
64	return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM);
65}
66
67static const struct platform_device_id max77686_clk_id[] = {
68	{ "max77686-clk", 0},
69	{ },
70};
71MODULE_DEVICE_TABLE(platform, max77686_clk_id);
72
73static struct platform_driver max77686_clk_driver = {
74	.driver = {
75		.name  = "max77686-clk",
76	},
77	.probe = max77686_clk_probe,
78	.remove = max77686_clk_remove,
79	.id_table = max77686_clk_id,
80};
81
82module_platform_driver(max77686_clk_driver);
83
84MODULE_DESCRIPTION("MAXIM 77686 Clock Driver");
85MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
86MODULE_LICENSE("GPL");
87