mirror of https://github.com/F-Stack/f-stack.git
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright 2018 Emmanuel Vadot <manu@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _RK_CLK_COMPOSITE_H_
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#define _RK_CLK_COMPOSITE_H_
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#include <dev/extres/clk/clk.h>
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struct rk_clk_composite_def {
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struct clknode_init_def clkdef;
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uint32_t muxdiv_offset;
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uint32_t mux_shift;
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uint32_t mux_width;
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uint32_t div_shift;
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uint32_t div_width;
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uint32_t gate_offset;
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uint32_t gate_shift;
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uint32_t flags;
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};
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#define RK_CLK_COMPOSITE_HAVE_MUX 0x0001
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#define RK_CLK_COMPOSITE_HAVE_GATE 0x0002
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#define RK_CLK_COMPOSITE_DIV_EXP 0x0004 /* Register 0, 1, 2, 2, ... */
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/* Divider 1, 2, 4, 8, ... */
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#define RK_CLK_COMPOSITE_GRF 0x0008 /* Use syscon registers instead of CRU's */
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int rk_clk_composite_register(struct clkdom *clkdom,
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struct rk_clk_composite_def *clkdef);
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#endif /* _RK_CLK_COMPOSITE_H_ */
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