48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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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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#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/x86/clk-lpss.h>
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#include <linux/platform_device.h>
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static int lpss_atom_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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0, 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 lpss_atom_clk_driver = {
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.driver = {
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.name = "clk-lpss-atom",
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},
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.probe = lpss_atom_clk_probe,
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};
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int __init lpss_atom_clk_init(void)
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{
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return platform_driver_register(&lpss_atom_clk_driver);
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}
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