tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 .flags = CLK_IS_ROOT,
42 },
43 [MAX77686_CLK_CP] = {
44 .name = "32khz_cp",
45 .ops = &max_gen_clk_ops,
46 .flags = CLK_IS_ROOT,
47 },
48 [MAX77686_CLK_PMIC] = {
49 .name = "32khz_pmic",
50 .ops = &max_gen_clk_ops,
51 .flags = CLK_IS_ROOT,
52 },
53};
54
55static int max77686_clk_probe(struct platform_device *pdev)
56{
57 struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
58
59 return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ,
60 max77686_clks_init, MAX77686_CLKS_NUM);
61}
62
63static int max77686_clk_remove(struct platform_device *pdev)
64{
65 return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM);
66}
67
68static const struct platform_device_id max77686_clk_id[] = {
69 { "max77686-clk", 0},
70 { },
71};
72MODULE_DEVICE_TABLE(platform, max77686_clk_id);
73
74static struct platform_driver max77686_clk_driver = {
75 .driver = {
76 .name = "max77686-clk",
77 },
78 .probe = max77686_clk_probe,
79 .remove = max77686_clk_remove,
80 .id_table = max77686_clk_id,
81};
82
83module_platform_driver(max77686_clk_driver);
84
85MODULE_DESCRIPTION("MAXIM 77686 Clock Driver");
86MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
87MODULE_LICENSE("GPL");