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
 16static 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,am33xx", },
 91	{ .compatible = "ti,dra7", },
 92	{ .compatible = "ti,omap2", },
 93	{ .compatible = "ti,omap3", },
 94	{ .compatible = "ti,omap4", },
 95	{ .compatible = "ti,omap5", },
 96
 97	{ .compatible = "xlnx,zynq-7000", },
 98
 99	{ .compatible = "zte,zx296718", },
100
101	{ }
102};
103
104static int __init cpufreq_dt_platdev_init(void)
105{
106	struct device_node *np = of_find_node_by_path("/");
107	const struct of_device_id *match;
108
109	if (!np)
110		return -ENODEV;
111
112	match = of_match_node(machines, np);
113	of_node_put(np);
114	if (!match)
115		return -ENODEV;
116
117	return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt",
118			       -1, match->data,
119			       sizeof(struct cpufreq_dt_platform_data)));
120}
121device_initcall(cpufreq_dt_platdev_init);