/* * Copyright (C) 2016 Linaro. * Viresh Kumar * * 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 #include #include static const struct of_device_id machines[] __initconst = { { .compatible = "marvell,berlin", }, { .compatible = "samsung,exynos3250", }, { .compatible = "samsung,exynos4210", }, { .compatible = "samsung,exynos4212", }, { .compatible = "samsung,exynos4412", }, { .compatible = "samsung,exynos5250", }, #ifndef CONFIG_BL_SWITCHER { .compatible = "samsung,exynos5420", }, { .compatible = "samsung,exynos5800", }, #endif }; static int __init cpufreq_dt_platdev_init(void) { struct device_node *np = of_find_node_by_path("/"); if (!np) return -ENODEV; if (!of_match_node(machines, np)) return -ENODEV; of_node_put(of_root); return PTR_ERR_OR_ZERO(platform_device_register_simple("cpufreq-dt", -1, NULL, 0)); } device_initcall(cpufreq_dt_platdev_init);