[mirror_ubuntu-zesty-kernel.git] / drivers / clk / clk-max77686.c

/*
 * clk-max77686.c - Clock driver for Maxim 77686
 *
 * Copyright (C) 2012 Samsung Electornics
 * Jonghwa Lee <jonghwa3.lee@samsung.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/mfd/max77686.h>
#include <linux/mfd/max77686-private.h>
#include <linux/clk-provider.h>
#include <linux/mutex.h>
#include <linux/clkdev.h>

#include <dt-bindings/clock/maxim,max77686.h>
#include "clk-max-gen.h"

static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = {
	[MAX77686_CLK_AP] = {
		.name = "32khz_ap",
		.ops = &max_gen_clk_ops,
		.flags = CLK_IS_ROOT,
	},
	[MAX77686_CLK_CP] = {
		.name = "32khz_cp",
		.ops = &max_gen_clk_ops,
		.flags = CLK_IS_ROOT,
	},
	[MAX77686_CLK_PMIC] = {
		.name = "32khz_pmic",
		.ops = &max_gen_clk_ops,
		.flags = CLK_IS_ROOT,
	},
};

static int max77686_clk_probe(struct platform_device *pdev)
{
	struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);

	return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ,
				 max77686_clks_init, MAX77686_CLKS_NUM);
}

static int max77686_clk_remove(struct platform_device *pdev)
{
	return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM);
}

static const struct platform_device_id max77686_clk_id[] = {
	{ "max77686-clk", 0},
	{ },
};
MODULE_DEVICE_TABLE(platform, max77686_clk_id);

static struct platform_driver max77686_clk_driver = {
	.driver = {
		.name  = "max77686-clk",
	},
	.probe = max77686_clk_probe,
	.remove = max77686_clk_remove,
	.id_table = max77686_clk_id,
};

module_platform_driver(max77686_clk_driver);

MODULE_DESCRIPTION("MAXIM 77686 Clock Driver");
MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
73118e61 JL	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
a8a76f56	33	#include <dt-bindings/clock/maxim,max77686.h>
1887d693	34	#include "clk-max-gen.h"
73118e61 JL	35
	36	static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = {
	37	[MAX77686_CLK_AP] = {
	38	.name = "32khz_ap",
1887d693	39	.ops = &max_gen_clk_ops,
73118e61 JL	40	.flags = CLK_IS_ROOT,
	41	},
	42	[MAX77686_CLK_CP] = {
	43	.name = "32khz_cp",
1887d693	44	.ops = &max_gen_clk_ops,
73118e61 JL	45	.flags = CLK_IS_ROOT,
	46	},
	47	[MAX77686_CLK_PMIC] = {
	48	.name = "32khz_pmic",
1887d693	49	.ops = &max_gen_clk_ops,
73118e61 JL	50	.flags = CLK_IS_ROOT,
	51	},
	52	};
	53
018ae93f	54	static int max77686_clk_probe(struct platform_device *pdev)
73118e61 JL	55	{
73118e61 JL	56	struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
b06c6987	57
1887d693 JMC	58	return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ,
1887d693 JMC	59	max77686_clks_init, MAX77686_CLKS_NUM);
73118e61 JL	60	}
73118e61 JL	61
1fc7ad5d	62	static int max77686_clk_remove(struct platform_device *pdev)
73118e61	63	{
1887d693	64	return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM);
73118e61 JL	65	}
	66
	67	static const struct platform_device_id max77686_clk_id[] = {
	68	{ "max77686-clk", 0},
	69	{ },
	70	};
	71	MODULE_DEVICE_TABLE(platform, max77686_clk_id);
	72
	73	static struct platform_driver max77686_clk_driver = {
	74	.driver = {
	75	.name = "max77686-clk",
73118e61 JL	76	},
73118e61 JL	77	.probe = max77686_clk_probe,
f9cfa630	78	.remove = max77686_clk_remove,
73118e61 JL	79	.id_table = max77686_clk_id,
	80	};
	81
1887d693	82	module_platform_driver(max77686_clk_driver);
73118e61 JL	83
	84	MODULE_DESCRIPTION("MAXIM 77686 Clock Driver");
	85	MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
	86	MODULE_LICENSE("GPL");