rk_clk_composite.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright 2018 Emmanuel Vadot <manu@FreeBSD.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef _RK_CLK_COMPOSITE_H_
   31 #define _RK_CLK_COMPOSITE_H_
   32 
   33 #include <dev/extres/clk/clk.h>
   34 
   35 struct rk_clk_composite_def {
   36         struct clknode_init_def clkdef;
   37 
   38         uint32_t        muxdiv_offset;
   39 
   40         uint32_t        mux_shift;
   41         uint32_t        mux_width;
   42 
   43         uint32_t        div_shift;
   44         uint32_t        div_width;
   45 
   46         uint32_t        gate_offset;
   47         uint32_t        gate_shift;
   48 
   49         uint32_t        flags;
   50 };
   51 
   52 #define RK_CLK_COMPOSITE_HAVE_MUX       0x0001
   53 #define RK_CLK_COMPOSITE_HAVE_GATE      0x0002
   54 #define RK_CLK_COMPOSITE_DIV_EXP        0x0004  /* Register   0, 1, 2, 2, ... */
   55                                                 /* Divider    1, 2, 4, 8, ... */
   56 #define RK_CLK_COMPOSITE_GRF            0x0008 /* Use syscon registers instead of CRU's */
   57 int rk_clk_composite_register(struct clkdom *clkdom,
   58     struct rk_clk_composite_def *clkdef);
   59 
   60 #endif /* _RK_CLK_COMPOSITE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm64/rockchip/clk/rk_clk_composite.h

FreeBSD/Linux Kernel Cross Reference
sys/arm64/rockchip/clk/rk_clk_composite.h