mirror of https://gitee.com/openkylin/linux.git
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
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* Intel Low Power Subsystem clocks.
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*
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* Copyright (C) 2013, Intel Corporation
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* Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
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* Heikki Krogerus <heikki.krogerus@linux.intel.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/clk-provider.h>
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#include <linux/err.h>
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#include <linux/module.h>
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#include <linux/platform_data/clk-lpss.h>
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#include <linux/platform_device.h>
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static int lpt_clk_probe(struct platform_device *pdev)
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{
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struct lpss_clk_data *drvdata;
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struct clk *clk;
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drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
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if (!drvdata)
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return -ENOMEM;
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/* LPSS free running clock */
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drvdata->name = "lpss_clk";
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clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
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CLK_IS_ROOT, 100000000);
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if (IS_ERR(clk))
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return PTR_ERR(clk);
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drvdata->clk = clk;
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platform_set_drvdata(pdev, drvdata);
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return 0;
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}
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static struct platform_driver lpt_clk_driver = {
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.driver = {
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.name = "clk-lpt",
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.owner = THIS_MODULE,
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},
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.probe = lpt_clk_probe,
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};
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int __init lpt_clk_init(void)
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{
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return platform_driver_register(&lpt_clk_driver);
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}
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