Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
[linux-2.6-block.git] / drivers / cpufreq / cpufreq-dt-platdev.c
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
14 #include "cpufreq-dt.h"
15
16 static const struct of_device_id machines[] __initconst = {
17         { .compatible = "allwinner,sun4i-a10", },
18         { .compatible = "allwinner,sun5i-a10s", },
19         { .compatible = "allwinner,sun5i-a13", },
20         { .compatible = "allwinner,sun5i-r8", },
21         { .compatible = "allwinner,sun6i-a31", },
22         { .compatible = "allwinner,sun6i-a31s", },
23         { .compatible = "allwinner,sun7i-a20", },
24         { .compatible = "allwinner,sun8i-a23", },
25         { .compatible = "allwinner,sun8i-a33", },
26         { .compatible = "allwinner,sun8i-a83t", },
27         { .compatible = "allwinner,sun8i-h3", },
28
29         { .compatible = "hisilicon,hi6220", },
30
31         { .compatible = "fsl,imx27", },
32         { .compatible = "fsl,imx51", },
33         { .compatible = "fsl,imx53", },
34         { .compatible = "fsl,imx7d", },
35
36         { .compatible = "marvell,berlin", },
37
38         { .compatible = "samsung,exynos3250", },
39         { .compatible = "samsung,exynos4210", },
40         { .compatible = "samsung,exynos4212", },
41         { .compatible = "samsung,exynos4412", },
42         { .compatible = "samsung,exynos5250", },
43 #ifndef CONFIG_BL_SWITCHER
44         { .compatible = "samsung,exynos5420", },
45         { .compatible = "samsung,exynos5433", },
46         { .compatible = "samsung,exynos5800", },
47 #endif
48
49         { .compatible = "renesas,emev2", },
50         { .compatible = "renesas,r7s72100", },
51         { .compatible = "renesas,r8a73a4", },
52         { .compatible = "renesas,r8a7740", },
53         { .compatible = "renesas,r8a7778", },
54         { .compatible = "renesas,r8a7779", },
55         { .compatible = "renesas,r8a7790", },
56         { .compatible = "renesas,r8a7791", },
57         { .compatible = "renesas,r8a7792", },
58         { .compatible = "renesas,r8a7793", },
59         { .compatible = "renesas,r8a7794", },
60         { .compatible = "renesas,sh73a0", },
61
62         { .compatible = "rockchip,rk2928", },
63         { .compatible = "rockchip,rk3036", },
64         { .compatible = "rockchip,rk3066a", },
65         { .compatible = "rockchip,rk3066b", },
66         { .compatible = "rockchip,rk3188", },
67         { .compatible = "rockchip,rk3228", },
68         { .compatible = "rockchip,rk3288", },
69         { .compatible = "rockchip,rk3366", },
70         { .compatible = "rockchip,rk3368", },
71         { .compatible = "rockchip,rk3399", },
72
73         { .compatible = "sigma,tango4" },
74
75         { .compatible = "ti,am33xx", },
76         { .compatible = "ti,dra7", },
77         { .compatible = "ti,omap2", },
78         { .compatible = "ti,omap3", },
79         { .compatible = "ti,omap4", },
80         { .compatible = "ti,omap5", },
81
82         { .compatible = "xlnx,zynq-7000", },
83
84         { }
85 };
86
87 static int __init cpufreq_dt_platdev_init(void)
88 {
89         struct device_node *np = of_find_node_by_path("/");
90         const struct of_device_id *match;
91
92         if (!np)
93                 return -ENODEV;
94
95         match = of_match_node(machines, np);
96         of_node_put(np);
97         if (!match)
98                 return -ENODEV;
99
100         return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt",
101                                -1, match->data,
102                                sizeof(struct cpufreq_dt_platform_data)));
103 }
104 device_initcall(cpufreq_dt_platdev_init);