projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| f56aad1d VK |
1 | /* |
| 2 | * Copyright (C) 2016 Linaro. | |
| 3 | * Viresh Kumar <viresh.kumar@linaro.org> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License version 2 as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | */ | |
| 9 | ||
| 10 | #include <linux/err.h> | |
| 11 | #include <linux/of.h> | |
| 12 | #include <linux/platform_device.h> | |
| 13 | ||
| e92bb166 | 14 | static const struct of_device_id machines[] __initconst = { |
| 7ead83f6 VK |
15 | { .compatible = "fsl,imx27", }, |
| 16 | { .compatible = "fsl,imx51", }, | |
| 17 | { .compatible = "fsl,imx53", }, | |
| 18 | { .compatible = "fsl,imx7d", }, | |
| 19 | ||
| a59511d1 VK |
20 | { .compatible = "marvell,berlin", }, |
| 21 | ||
| 2249c00a VK |
22 | { .compatible = "samsung,exynos3250", }, |
| 23 | { .compatible = "samsung,exynos4210", }, | |
| 24 | { .compatible = "samsung,exynos4212", }, | |
| 25 | { .compatible = "samsung,exynos4412", }, | |
| 26 | { .compatible = "samsung,exynos5250", }, | |
| 27 | #ifndef CONFIG_BL_SWITCHER | |
| 28 | { .compatible = "samsung,exynos5420", }, | |
| 29 | { .compatible = "samsung,exynos5800", }, | |
| 30 | #endif | |
| f56aad1d VK |
31 | }; |
| 32 | ||
| 33 | static int __init cpufreq_dt_platdev_init(void) | |
| 34 | { | |
| 35 | struct device_node *np = of_find_node_by_path("/"); | |
| 36 | ||
| 37 | if (!np) | |
| 38 | return -ENODEV; | |
| 39 | ||
| 40 | if (!of_match_node(machines, np)) | |
| 41 | return -ENODEV; | |
| 42 | ||
| 43 | of_node_put(of_root); | |
| 44 | ||
| 45 | return PTR_ERR_OR_ZERO(platform_device_register_simple("cpufreq-dt", -1, | |
| 46 | NULL, 0)); | |
| 47 | } | |
| 48 | device_initcall(cpufreq_dt_platdev_init); |