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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849/* SPDX-License-Identifier: GPL-2.0-or-later *//* * Simple Reset Controller ops * * Based on Allwinner SoCs Reset Controller driver * * Copyright 2013 Maxime Ripard * * Maxime Ripard <maxime.ripard@free-electrons.com> */
#ifndef __RESET_SIMPLE_H__#define __RESET_SIMPLE_H__
#include <linux/io.h>#include <linux/reset-controller.h>#include <linux/spinlock.h>
/** * struct reset_simple_data - driver data for simple reset controllers * @lock: spinlock to protect registers during read-modify-write cycles * @membase: memory mapped I/O register range * @rcdev: reset controller device base structure * @active_low: if true, bits are cleared to assert the reset. Otherwise, bits * are set to assert the reset. Note that this says nothing about * the voltage level of the actual reset line. * @status_active_low: if true, bits read back as cleared while the reset is * asserted. Otherwise, bits read back as set while the * reset is asserted. * @reset_us: Minimum delay in microseconds needed that needs to be * waited for between an assert and a deassert to reset the * device. If multiple consumers with different delay * requirements are connected to this controller, it must * be the largest minimum delay. 0 means that such a delay is * unknown and the reset operation is unsupported. */struct reset_simple_data { spinlock_t lock; void __iomem *membase; struct reset_controller_dev rcdev; bool active_low; bool status_active_low; unsigned int reset_us;};
extern const struct reset_control_ops reset_simple_ops;
#endif /* __RESET_SIMPLE_H__ */