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GuEe-GUI
10cac76d3b
MFD (Multifunction device) with System Controller Register Read/Write. Signed-off-by: GuEe-GUI <2991707448@qq.com>
36 lines
987 B
C
Executable File
36 lines
987 B
C
Executable File
/*
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* Copyright (c) 2006-2023, 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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* 2023-02-25 GuEe-GUI the first version
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*/
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#ifndef __SYSCON_H__
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#define __SYSCON_H__
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#include <drivers/ofw.h>
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struct rt_syscon
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{
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rt_list_t list;
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struct rt_ofw_node *np;
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void *iomem_base;
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rt_size_t iomem_size;
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struct rt_spinlock rw_lock;
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};
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rt_err_t rt_syscon_read(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t *out_val);
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rt_err_t rt_syscon_write(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t val);
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rt_err_t rt_syscon_update_bits(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t mask, rt_uint32_t val);
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struct rt_syscon *rt_syscon_find_by_ofw_node(struct rt_ofw_node *np);
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struct rt_syscon *rt_syscon_find_by_ofw_compatible(const char *compatible);
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struct rt_syscon *rt_syscon_find_by_ofw_phandle(struct rt_ofw_node *np, const char *propname);
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#endif /* __SYSCON_H__ */
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