qoriq_clkgen.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2020 Alstom Group.
    5  * Copyright (c) 2020 Semihalf.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  *
   30  */
   31 
   32 #ifndef _QORIQ_CLKGEN_H_
   33 #define _QORIQ_CLKGEN_H_
   34 
   35 #include <dev/extres/clk/clk.h>
   36 #include <dev/extres/clk/clk_mux.h>
   37 
   38 #include <arm64/qoriq/clk/qoriq_clk_pll.h>
   39 
   40 #define QORIQ_CLK_NAME_MAX_LEN  32
   41 
   42 #define QORIQ_LITTLE_ENDIAN     0x01
   43 
   44 #define QORIQ_TYPE_SYSCLK       0
   45 #define QORIQ_TYPE_CMUX         1
   46 #define QORIQ_TYPE_HWACCEL      2
   47 #define QORIQ_TYPE_FMAN         3
   48 #define QORIQ_TYPE_PLATFORM_PLL 4
   49 #define QORIQ_TYPE_CORECLK      5
   50 #define QORIQ_TYPE_INTERNAL     6
   51 
   52 #define PLL_DIV1        0
   53 #define PLL_DIV2        1
   54 #define PLL_DIV3        2
   55 #define PLL_DIV4        3
   56 #define PLL_DIV5        4
   57 #define PLL_DIV6        5
   58 #define PLL_DIV7        6
   59 #define PLL_DIV8        7
   60 #define PLL_DIV9        8
   61 #define PLL_DIV10       9
   62 #define PLL_DIV11       10
   63 #define PLL_DIV12       11
   64 #define PLL_DIV13       12
   65 #define PLL_DIV14       13
   66 #define PLL_DIV15       14
   67 #define PLL_DIV16       15
   68 
   69 #define QORIQ_CLK_ID(_type, _index)     ((_type << 8) + _index)
   70 
   71 #define QORIQ_SYSCLK_NAME       "clockgen_sysclk"
   72 #define QORIQ_CORECLK_NAME      "clockgen_coreclk"
   73 
   74 typedef int (*qoriq_init_func_t)(device_t);
   75 
   76 struct qoriq_clkgen_softc {
   77         device_t                        dev;
   78         struct resource                 *res;
   79         struct clkdom                   *clkdom;
   80         struct mtx                      mtx;
   81         struct qoriq_clk_pll_def        *pltfrm_pll_def;
   82         struct qoriq_clk_pll_def        **cga_pll;
   83         int                             cga_pll_num;
   84         struct clk_mux_def              **mux;
   85         int                             mux_num;
   86         qoriq_init_func_t               init_func;
   87         uint32_t                        flags;
   88         bool                            has_coreclk;
   89 };
   90 
   91 MALLOC_DECLARE(M_QORIQ_CLKGEN);
   92 DECLARE_CLASS(qoriq_clkgen_driver);
   93 
   94 int qoriq_clkgen_attach(device_t);
   95 
   96 #endif  /* _QORIQ_CLKGEN_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm64/qoriq/clk/qoriq_clkgen.h

FreeBSD/Linux Kernel Cross Reference
sys/arm64/qoriq/clk/qoriq_clkgen.h