linux/drivers/reset/reset-brcmstb.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Broadcom STB generic reset controller for SW_INIT style reset controller
 *
 * Author: Florian Fainelli <[email protected]>
 * Copyright (C) 2018 Broadcom
 */
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/types.h>

struct brcmstb_reset { … };

#define SW_INIT_SET …
#define SW_INIT_CLEAR …
#define SW_INIT_STATUS …

#define SW_INIT_BIT(id) …
#define SW_INIT_BANK(id) …

/* A full bank contains extra registers that we are not utilizing but still
 * qualify as a single bank.
 */
#define SW_INIT_BANK_SIZE …

static inline
struct brcmstb_reset *to_brcmstb(struct reset_controller_dev *rcdev)
{ … }

static int brcmstb_reset_assert(struct reset_controller_dev *rcdev,
				unsigned long id)
{ … }

static int brcmstb_reset_deassert(struct reset_controller_dev *rcdev,
				  unsigned long id)
{ … }

static int brcmstb_reset_status(struct reset_controller_dev *rcdev,
				unsigned long id)
{ … }

static const struct reset_control_ops brcmstb_reset_ops = …;

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

static const struct of_device_id brcmstb_reset_of_match[] = …;
MODULE_DEVICE_TABLE(of, brcmstb_reset_of_match);

static struct platform_driver brcmstb_reset_driver = …;
module_platform_driver(…) …;

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