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 = "apm,xgene-shadowcat", },
30 
31 	{ .compatible = "arm,integrator-ap", },
32 	{ .compatible = "arm,integrator-cp", },
33 
34 	{ .compatible = "hisilicon,hi6220", },
35 
36 	{ .compatible = "fsl,imx27", },
37 	{ .compatible = "fsl,imx51", },
38 	{ .compatible = "fsl,imx53", },
39 	{ .compatible = "fsl,imx7d", },
40 
41 	{ .compatible = "marvell,berlin", },
42 	{ .compatible = "marvell,pxa250", },
43 	{ .compatible = "marvell,pxa270", },
44 
45 	{ .compatible = "samsung,exynos3250", },
46 	{ .compatible = "samsung,exynos4210", },
47 	{ .compatible = "samsung,exynos4212", },
48 	{ .compatible = "samsung,exynos4412", },
49 	{ .compatible = "samsung,exynos5250", },
50 #ifndef CONFIG_BL_SWITCHER
51 	{ .compatible = "samsung,exynos5420", },
52 	{ .compatible = "samsung,exynos5433", },
53 	{ .compatible = "samsung,exynos5800", },
54 #endif
55 
56 	{ .compatible = "renesas,emev2", },
57 	{ .compatible = "renesas,r7s72100", },
58 	{ .compatible = "renesas,r8a73a4", },
59 	{ .compatible = "renesas,r8a7740", },
60 	{ .compatible = "renesas,r8a7743", },
61 	{ .compatible = "renesas,r8a7745", },
62 	{ .compatible = "renesas,r8a7778", },
63 	{ .compatible = "renesas,r8a7779", },
64 	{ .compatible = "renesas,r8a7790", },
65 	{ .compatible = "renesas,r8a7791", },
66 	{ .compatible = "renesas,r8a7792", },
67 	{ .compatible = "renesas,r8a7793", },
68 	{ .compatible = "renesas,r8a7794", },
69 	{ .compatible = "renesas,sh73a0", },
70 
71 	{ .compatible = "rockchip,rk2928", },
72 	{ .compatible = "rockchip,rk3036", },
73 	{ .compatible = "rockchip,rk3066a", },
74 	{ .compatible = "rockchip,rk3066b", },
75 	{ .compatible = "rockchip,rk3188", },
76 	{ .compatible = "rockchip,rk3228", },
77 	{ .compatible = "rockchip,rk3288", },
78 	{ .compatible = "rockchip,rk3366", },
79 	{ .compatible = "rockchip,rk3368", },
80 	{ .compatible = "rockchip,rk3399", },
81 
82 	{ .compatible = "sigma,tango4" },
83 
84 	{ .compatible = "socionext,uniphier-pro5", },
85 	{ .compatible = "socionext,uniphier-pxs2", },
86 	{ .compatible = "socionext,uniphier-ld6b", },
87 	{ .compatible = "socionext,uniphier-ld11", },
88 	{ .compatible = "socionext,uniphier-ld20", },
89 
90 	{ .compatible = "ti,omap2", },
91 	{ .compatible = "ti,omap3", },
92 	{ .compatible = "ti,omap4", },
93 	{ .compatible = "ti,omap5", },
94 
95 	{ .compatible = "xlnx,zynq-7000", },
96 
97 	{ .compatible = "zte,zx296718", },
98 
99 	{ }
100 };
101 
102 static int __init cpufreq_dt_platdev_init(void)
103 {
104 	struct device_node *np = of_find_node_by_path("/");
105 	const struct of_device_id *match;
106 
107 	if (!np)
108 		return -ENODEV;
109 
110 	match = of_match_node(machines, np);
111 	of_node_put(np);
112 	if (!match)
113 		return -ENODEV;
114 
115 	return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt",
116 			       -1, match->data,
117 			       sizeof(struct cpufreq_dt_platform_data)));
118 }
119 device_initcall(cpufreq_dt_platdev_init);
120