linux/drivers/cpufreq/raspberrypi-cpufreq.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Raspberry Pi cpufreq driver
 *
 * Copyright (C) 2019, Nicolas Saenz Julienne <[email protected]>
 */

#include <linux/clk.h>
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>

#define RASPBERRYPI_FREQ_INTERVAL …

static struct platform_device *cpufreq_dt;

static int raspberrypi_cpufreq_probe(struct platform_device *pdev)
{ … }

static void raspberrypi_cpufreq_remove(struct platform_device *pdev)
{ … }

/*
 * Since the driver depends on clk-raspberrypi, which may return EPROBE_DEFER,
 * all the activity is performed in the probe, which may be defered as well.
 */
static struct platform_driver raspberrypi_cpufreq_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;