[linux-2.6-block.git] / drivers / clk / x86 / clk-lpt.c

/*
 * Intel Low Power Subsystem clocks.
 *
 * Copyright (C) 2013, Intel Corporation
 * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
 *	    Heikki Krogerus <heikki.krogerus@linux.intel.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/platform_data/clk-lpss.h>
#include <linux/platform_device.h>

static int lpt_clk_probe(struct platform_device *pdev)
{
	struct lpss_clk_data *drvdata;
	struct clk *clk;

	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
	if (!drvdata)
		return -ENOMEM;

	/* LPSS free running clock */
	drvdata->name = "lpss_clk";
	clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
				      CLK_IS_ROOT, 100000000);
	if (IS_ERR(clk))
		return PTR_ERR(clk);

	drvdata->clk = clk;
	platform_set_drvdata(pdev, drvdata);
	return 0;
}

static struct platform_driver lpt_clk_driver = {
	.driver = {
		.name = "clk-lpt",
	},
	.probe = lpt_clk_probe,
};

int __init lpt_clk_init(void)
{
	return platform_driver_register(&lpt_clk_driver);
}
Commit	Line	Data
701190fd	1	/*
f6272170	2	* Intel Low Power Subsystem clocks.
701190fd MW	3	*
	4	* Copyright (C) 2013, Intel Corporation
	5	* Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
	6	* Heikki Krogerus <heikki.krogerus@linux.intel.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
701190fd MW	13	#include <linux/clk.h>
	14	#include <linux/clkdev.h>
	15	#include <linux/clk-provider.h>
	16	#include <linux/err.h>
	17	#include <linux/module.h>
b59cc200	18	#include <linux/platform_data/clk-lpss.h>
701190fd MW	19	#include <linux/platform_device.h>
701190fd MW	20
701190fd MW	21	static int lpt_clk_probe(struct platform_device *pdev)
701190fd MW	22	{
b59cc200	23	struct lpss_clk_data *drvdata;
701190fd MW	24	struct clk *clk;
701190fd MW	25
b59cc200 RW	26	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
	27	if (!drvdata)
	28	return -ENOMEM;
	29
701190fd	30	/* LPSS free running clock */
b59cc200 RW	31	drvdata->name = "lpss_clk";
	32	clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
	33	CLK_IS_ROOT, 100000000);
701190fd MW	34	if (IS_ERR(clk))
	35	return PTR_ERR(clk);
	36
b59cc200 RW	37	drvdata->clk = clk;
b59cc200 RW	38	platform_set_drvdata(pdev, drvdata);
701190fd MW	39	return 0;
	40	}
	41
	42	static struct platform_driver lpt_clk_driver = {
	43	.driver = {
	44	.name = "clk-lpt",
701190fd MW	45	},
	46	.probe = lpt_clk_probe,
	47	};
	48
f58b082a	49	int __init lpt_clk_init(void)
701190fd MW	50	{
	51	return platform_driver_register(&lpt_clk_driver);
	52	}