5113f6f70
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kernel add
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/*
* 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);
}
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