1 /* 2 * Hisilicon Platforms Using ACPU CPUFreq Support 3 * 4 * Copyright (c) 2015 Hisilicon Limited. 5 * Copyright (c) 2015 Linaro Limited. 6 * 7 * Leo Yan <leo.yan@linaro.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 14 * kind, whether express or implied; without even the implied warranty 15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 20 21 #include <linux/err.h> 22 #include <linux/init.h> 23 #include <linux/kernel.h> 24 #include <linux/module.h> 25 #include <linux/of.h> 26 #include <linux/platform_device.h> 27 hisi_acpu_cpufreq_driver_init(void)28static int __init hisi_acpu_cpufreq_driver_init(void) 29 { 30 struct platform_device *pdev; 31 32 if (!of_machine_is_compatible("hisilicon,hi6220")) 33 return -ENODEV; 34 35 pdev = platform_device_register_simple("cpufreq-dt", -1, NULL, 0); 36 return PTR_ERR_OR_ZERO(pdev); 37 } 38 module_init(hisi_acpu_cpufreq_driver_init); 39 40 MODULE_AUTHOR("Leo Yan <leo.yan@linaro.org>"); 41 MODULE_DESCRIPTION("Hisilicon acpu cpufreq driver"); 42 MODULE_LICENSE("GPL v2"); 43