linux/drivers/pwm/pwm-dwc.c

// SPDX-License-Identifier: GPL-2.0
/*
 * DesignWare PWM Controller driver (PCI part)
 *
 * Copyright (C) 2018-2020 Intel Corporation
 *
 * Author: Felipe Balbi (Intel)
 * Author: Jarkko Nikula <[email protected]>
 * Author: Raymond Tan <[email protected]>
 *
 * Limitations:
 * - The hardware cannot generate a 0 % or 100 % duty cycle. Both high and low
 *   periods are one or more input clock periods long.
 */

#define DEFAULT_MOUDLE_NAMESPACE …

#include <linux/bitops.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/pwm.h>

#include "pwm-dwc.h"

/* Elkhart Lake */
static const struct dwc_pwm_info ehl_pwm_info = …;

static int dwc_pwm_init_one(struct device *dev, struct dwc_pwm_drvdata *ddata, unsigned int idx)
{ … }

static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
{ … }

static void dwc_pwm_remove(struct pci_dev *pci)
{ … }

static int dwc_pwm_suspend(struct device *dev)
{ … }

static int dwc_pwm_resume(struct device *dev)
{ … }

static DEFINE_SIMPLE_DEV_PM_OPS(dwc_pwm_pm_ops, dwc_pwm_suspend, dwc_pwm_resume);

static const struct pci_device_id dwc_pwm_id_table[] = …;
MODULE_DEVICE_TABLE(pci, dwc_pwm_id_table);

static struct pci_driver dwc_pwm_driver = …;

module_pci_driver(…) …;

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