linux-imx

/*

 * Copyright (c) 2016 Maxime Ripard. All rights reserved.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

​

#ifndef _CCU_NK_H_

#define _CCU_NK_H_

​

#include <linux/clk-provider.h>

​

#include "ccu_common.h"

#include "ccu_div.h"

#include "ccu_mult.h"

​

/*

 * struct ccu_nk - Definition of an N-K clock

 *

 * Clocks based on the formula parent * N * K

 */

struct ccu_nk {

    u16         reg;

    u32         enable;

    u32         lock;

​

    struct ccu_mult_internal    n;

    struct ccu_mult_internal    k;

​

    unsigned int        fixed_post_div;

​

    struct ccu_common   common;

};

​

#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \

                        _nshift, _nwidth,       \

                        _kshift, _kwidth,       \

                        _gate, _lock, _postdiv, \

                        _flags)         \

    struct ccu_nk _struct = {                   \

        .enable     = _gate,                \

        .lock       = _lock,                \

        .k      = _SUNXI_CCU_MULT(_kshift, _kwidth),    \

        .n      = _SUNXI_CCU_MULT(_nshift, _nwidth),    \

        .fixed_post_div = _postdiv,             \

        .common     = {                 \

            .reg        = _reg,             \

            .features   = CCU_FEATURE_FIXED_POSTDIV,    \

            .hw.init    = CLK_HW_INIT(_name,        \

                              _parent,      \

                              &ccu_nk_ops,  \

                              _flags),      \

        },                          \

    }

​

static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)

{