Contributors: 29
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Viresh Kumar | 
          480 | 
          52.17% | 
          12 | 
          25.53% | 
        
        
          | Finley Xiao | 
          77 | 
          8.37% | 
          2 | 
          4.26% | 
        
        
          | Andrew-sh Cheng | 
          56 | 
          6.09% | 
          2 | 
          4.26% | 
        
        
          | Linus Walleij | 
          42 | 
          4.57% | 
          2 | 
          4.26% | 
        
        
          | Ansuel Smith | 
          28 | 
          3.04% | 
          1 | 
          2.13% | 
        
        
          | Geert Uytterhoeven | 
          21 | 
          2.28% | 
          2 | 
          4.26% | 
        
        
          | Leonard Crestez | 
          21 | 
          2.28% | 
          2 | 
          4.26% | 
        
        
          | Suniel Mahesh | 
          21 | 
          2.28% | 
          1 | 
          2.13% | 
        
        
          | Dmitry Torokhov | 
          15 | 
          1.63% | 
          1 | 
          2.13% | 
        
        
          | Robert Jarzmik | 
          14 | 
          1.52% | 
          1 | 
          2.13% | 
        
        
          | Anson Huang | 
          14 | 
          1.52% | 
          2 | 
          4.26% | 
        
        
          | Ilia Lin | 
          14 | 
          1.52% | 
          1 | 
          2.13% | 
        
        
          | Dmitry Osipenko | 
          14 | 
          1.52% | 
          1 | 
          2.13% | 
        
        
          | Sibi Sankar | 
          14 | 
          1.52% | 
          2 | 
          4.26% | 
        
        
          | Masahiro Yamada | 
          13 | 
          1.41% | 
          1 | 
          2.13% | 
        
        
          | Lad Prabhakar | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | H. Nikolaus Schaller | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Peng Fan | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Tao Wang | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Joseph Lo | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Biju Das | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Hoan Tran | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Jorge Ramirez-Ortiz | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Yangtao Li | 
          7 | 
          0.76% | 
          1 | 
          2.13% | 
        
        
          | Baoyou Xie | 
          4 | 
          0.43% | 
          1 | 
          2.13% | 
        
        
          | Wei Yongjun | 
          3 | 
          0.33% | 
          1 | 
          2.13% | 
        
        
          | Shubhrajyoti Datta | 
          3 | 
          0.33% | 
          1 | 
          2.13% | 
        
        
          | Thomas Gleixner | 
          2 | 
          0.22% | 
          1 | 
          2.13% | 
        
        
          | Amit Kucheria | 
          1 | 
          0.11% | 
          1 | 
          2.13% | 
        
	  
	  
        
          | Total | 
          920 | 
           | 
          47 | 
           | 
	    
	  
    
 
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2016 Linaro.
 * Viresh Kumar <viresh.kumar@linaro.org>
 */
#include <linux/err.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "cpufreq-dt.h"
/*
 * Machines for which the cpufreq device is *always* created, mostly used for
 * platforms using "operating-points" (V1) property.
 */
static const struct of_device_id whitelist[] __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-a83t", },
	{ .compatible = "allwinner,sun8i-h3", },
	{ .compatible = "apm,xgene-shadowcat", },
	{ .compatible = "arm,integrator-ap", },
	{ .compatible = "arm,integrator-cp", },
	{ .compatible = "hisilicon,hi3660", },
	{ .compatible = "fsl,imx27", },
	{ .compatible = "fsl,imx51", },
	{ .compatible = "fsl,imx53", },
	{ .compatible = "marvell,berlin", },
	{ .compatible = "marvell,pxa250", },
	{ .compatible = "marvell,pxa270", },
	{ .compatible = "samsung,exynos3250", },
	{ .compatible = "samsung,exynos4210", },
	{ .compatible = "samsung,exynos5250", },
#ifndef CONFIG_BL_SWITCHER
	{ .compatible = "samsung,exynos5800", },
#endif
	{ .compatible = "renesas,emev2", },
	{ .compatible = "renesas,r7s72100", },
	{ .compatible = "renesas,r8a73a4", },
	{ .compatible = "renesas,r8a7740", },
	{ .compatible = "renesas,r8a7742", },
	{ .compatible = "renesas,r8a7743", },
	{ .compatible = "renesas,r8a7744", },
	{ .compatible = "renesas,r8a7745", },
	{ .compatible = "renesas,r8a7778", },
	{ .compatible = "renesas,r8a7779", },
	{ .compatible = "renesas,r8a7790", },
	{ .compatible = "renesas,r8a7791", },
	{ .compatible = "renesas,r8a7792", },
	{ .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,rk3328", },
	{ .compatible = "rockchip,rk3366", },
	{ .compatible = "rockchip,rk3368", },
	{ .compatible = "rockchip,rk3399",
	  .data = &(struct cpufreq_dt_platform_data)
		{ .have_governor_per_policy = true, },
	},
	{ .compatible = "st-ericsson,u8500", },
	{ .compatible = "st-ericsson,u8540", },
	{ .compatible = "st-ericsson,u9500", },
	{ .compatible = "st-ericsson,u9540", },
	{ .compatible = "ti,omap2", },
	{ .compatible = "ti,omap4", },
	{ .compatible = "ti,omap5", },
	{ .compatible = "xlnx,zynq-7000", },
	{ .compatible = "xlnx,zynqmp", },
	{ }
};
/*
 * Machines for which the cpufreq device is *not* created, mostly used for
 * platforms using "operating-points-v2" property.
 */
static const struct of_device_id blacklist[] __initconst = {
	{ .compatible = "allwinner,sun50i-h6", },
	{ .compatible = "calxeda,highbank", },
	{ .compatible = "calxeda,ecx-2000", },
	{ .compatible = "fsl,imx7ulp", },
	{ .compatible = "fsl,imx7d", },
	{ .compatible = "fsl,imx8mq", },
	{ .compatible = "fsl,imx8mm", },
	{ .compatible = "fsl,imx8mn", },
	{ .compatible = "fsl,imx8mp", },
	{ .compatible = "marvell,armadaxp", },
	{ .compatible = "mediatek,mt2701", },
	{ .compatible = "mediatek,mt2712", },
	{ .compatible = "mediatek,mt7622", },
	{ .compatible = "mediatek,mt7623", },
	{ .compatible = "mediatek,mt817x", },
	{ .compatible = "mediatek,mt8173", },
	{ .compatible = "mediatek,mt8176", },
	{ .compatible = "mediatek,mt8183", },
	{ .compatible = "nvidia,tegra20", },
	{ .compatible = "nvidia,tegra30", },
	{ .compatible = "nvidia,tegra124", },
	{ .compatible = "nvidia,tegra210", },
	{ .compatible = "qcom,apq8096", },
	{ .compatible = "qcom,msm8996", },
	{ .compatible = "qcom,qcs404", },
	{ .compatible = "qcom,sc7180", },
	{ .compatible = "qcom,sdm845", },
	{ .compatible = "st,stih407", },
	{ .compatible = "st,stih410", },
	{ .compatible = "sigma,tango4", },
	{ .compatible = "ti,am33xx", },
	{ .compatible = "ti,am43", },
	{ .compatible = "ti,dra7", },
	{ .compatible = "ti,omap3", },
	{ .compatible = "qcom,ipq8064", },
	{ .compatible = "qcom,apq8064", },
	{ .compatible = "qcom,msm8974", },
	{ .compatible = "qcom,msm8960", },
	{ }
};
static bool __init cpu0_node_has_opp_v2_prop(void)
{
	struct device_node *np = of_cpu_device_node_get(0);
	bool ret = false;
	if (of_get_property(np, "operating-points-v2", NULL))
		ret = true;
	of_node_put(np);
	return ret;
}
static int __init cpufreq_dt_platdev_init(void)
{
	struct device_node *np = of_find_node_by_path("/");
	const struct of_device_id *match;
	const void *data = NULL;
	if (!np)
		return -ENODEV;
	match = of_match_node(whitelist, np);
	if (match) {
		data = match->data;
		goto create_pdev;
	}
	if (cpu0_node_has_opp_v2_prop() && !of_match_node(blacklist, np))
		goto create_pdev;
	of_node_put(np);
	return -ENODEV;
create_pdev:
	of_node_put(np);
	return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt",
			       -1, data,
			       sizeof(struct cpufreq_dt_platform_data)));
}
core_initcall(cpufreq_dt_platdev_init);