51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-11-26 GuEe-GUI first version
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*/
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#ifndef __RESET_SIMPLE_H__
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#define __RESET_SIMPLE_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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struct reset_simple
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{
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struct rt_reset_controller parent;
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void *mmio_base;
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/*
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* If true, bits are cleared to assert the reset.
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* Otherwise, bits are set to assert the reset.
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*/
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rt_bool_t active_low;
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/*
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* If true, bits read back as cleared while the reset is asserted.
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* Otherwise, bits read back as set while the reset is asserted.
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*/
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rt_bool_t status_active_low;
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/*
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* Minimum delay in microseconds needed that needs to be
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* waited for between an assert and a deassert to reset the device.
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* If multiple consumers with different delay
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* requirements are connected to this controller, it must
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* be the largest minimum delay. 0 means that such a delay is
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* unknown and the reset operation is unsupported.
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*/
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rt_uint32_t reset_us;
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/* protect registers during read-modify-write cycles */
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struct rt_spinlock lock;
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};
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extern const struct rt_reset_control_ops reset_simple_ops;
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#endif /* __RESET_SIMPLE_H__ */
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