1/*
2 * Intel Low Power Subsystem clocks.
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
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>
18#include <linux/platform_data/clk-lpss.h>
19#include <linux/platform_device.h>
20
21static int lpt_clk_probe(struct platform_device *pdev)
22{
23	struct lpss_clk_data *drvdata;
24	struct clk *clk;
25
26	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
27	if (!drvdata)
28		return -ENOMEM;
29
30	/* LPSS free running clock */
31	drvdata->name = "lpss_clk";
32	clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
33				      CLK_IS_ROOT, 100000000);
34	if (IS_ERR(clk))
35		return PTR_ERR(clk);
36
37	drvdata->clk = clk;
38	platform_set_drvdata(pdev, drvdata);
39	return 0;
40}
41
42static struct platform_driver lpt_clk_driver = {
43	.driver = {
44		.name = "clk-lpt",
45	},
46	.probe = lpt_clk_probe,
47};
48
49int __init lpt_clk_init(void)
50{
51	return platform_driver_register(&lpt_clk_driver);
52}
53