/* * 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", .owner = THIS_MODULE, }, .probe = lpt_clk_probe, }; int __init lpt_clk_init(void) { return platform_driver_register(&lpt_clk_driver); }