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/*
* Copyright (C) 2016 Linaro.
* Viresh Kumar <viresh.kumar@linaro.org>
*
* 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 <linux/err.h>
#include <linux/of.h>
#include <linux/platform_device.h>
static const struct of_device_id machines[] __initconst = {
{ .compatible = "allwinner,sun4i-a10", },
{ .compatible = "allwinner,sun5i-a10s", },
{ .compatible = "allwinner,sun5i-a13", },
{ .compatible = "allwinner,sun5i-r8", },
{ .compatible = "allwinner,sun6i-a31", },
{ .compatible = "allwinner,sun6i-a31s", },
{ .compatible = "allwinner,sun7i-a20", },
{ .compatible = "allwinner,sun8i-a23", },
{ .compatible = "allwinner,sun8i-a33", },
{ .compatible = "allwinner,sun8i-a83t", },
{ .compatible = "allwinner,sun8i-h3", },
{ .compatible = "hisilicon,hi6220", },
{ .compatible = "fsl,imx27", },
{ .compatible = "fsl,imx51", },
{ .compatible = "fsl,imx53", },
{ .compatible = "fsl,imx7d", },
{ .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
{ .compatible = "renesas,emev2", },
{ .compatible = "renesas,r7s72100", },
{ .compatible = "renesas,r8a73a4", },
{ .compatible = "renesas,r8a7740", },
{ .compatible = "renesas,r8a7778", },
{ .compatible = "renesas,r8a7779", },
{ .compatible = "renesas,r8a7790", },
{ .compatible = "renesas,r8a7791", },
{ .compatible = "renesas,r8a7793", },
{ .compatible = "renesas,r8a7794", },
{ .compatible = "renesas,sh73a0", },
{ .compatible = "rockchip,rk2928", },
{ .compatible = "rockchip,rk3036", },
{ .compatible = "rockchip,rk3066a", },
{ .compatible = "rockchip,rk3066b", },
{ .compatible = "rockchip,rk3188", },
{ .compatible = "rockchip,rk3228", },
{ .compatible = "rockchip,rk3288", },
{ .compatible = "rockchip,rk3366", },
{ .compatible = "rockchip,rk3368", },
{ .compatible = "rockchip,rk3399", },
{ .compatible = "sigma,tango4" },
{ .compatible = "ti,omap2", },
{ .compatible = "ti,omap3", },
{ .compatible = "ti,omap4", },
{ .compatible = "ti,omap5", },
{ .compatible = "xlnx,zynq-7000", },
{ }
};
static int __init cpufreq_dt_platdev_init(void)
{
struct device_node *np = of_find_node_by_path("/");
const struct of_device_id *match;
if (!np)
return -ENODEV;
match = of_match_node(machines, np);
of_node_put(np);
if (!match)
return -ENODEV;
return PTR_ERR_OR_ZERO(platform_device_register_simple("cpufreq-dt", -1,
NULL, 0));
}
device_initcall(cpufreq_dt_platdev_init);
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