// SPDX-License-Identifier: GPL-2.0-only
/*
* 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 >
*/
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/platform_data/x86/clk-lpss.h>
#include <linux/platform_device.h>
static int lpss_atom_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,
0 , 100000000 );
if (IS_ERR(clk))
return PTR_ERR(clk);
drvdata->clk = clk;
platform_set_drvdata(pdev, drvdata);
return 0 ;
}
static struct platform_driver lpss_atom_clk_driver = {
.driver = {
.name = "clk-lpss-atom" ,
},
.probe = lpss_atom_clk_probe,
};
int __init lpss_atom_clk_init(void )
{
return platform_driver_register(&lpss_atom_clk_driver);
}
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