linux/drivers/power/reset/ep93xx-restart.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Cirrus EP93xx SoC reset driver
 *
 * Copyright (C) 2021 Nikita Shubin <[email protected]>
 */

#include <linux/bits.h>
#include <linux/container_of.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/slab.h>

#include <linux/soc/cirrus/ep93xx.h>

#define EP93XX_SYSCON_DEVCFG …
#define EP93XX_SYSCON_DEVCFG_SWRST …

struct ep93xx_restart { … };

static int ep93xx_restart_handle(struct notifier_block *this,
				 unsigned long mode, void *cmd)
{ … }

static int ep93xx_reboot_probe(struct auxiliary_device *adev,
			       const struct auxiliary_device_id *id)
{ … }

static const struct auxiliary_device_id ep93xx_reboot_ids[] = …;
MODULE_DEVICE_TABLE(auxiliary, ep93xx_reboot_ids);

static struct auxiliary_driver ep93xx_reboot_driver = …;
module_auxiliary_driver(…) …;