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_NM_H_

#define _CCU_NM_H_

​

#include <linux/clk-provider.h>

​

#include "ccu_common.h"

#include "ccu_div.h"

#include "ccu_frac.h"

#include "ccu_mult.h"

#include "ccu_sdm.h"

​

/*

 * struct ccu_nm - Definition of an N-M clock

 *

 * Clocks based on the formula parent * N / M

 */

struct ccu_nm {

    u32         enable;

    u32         lock;

​

    struct ccu_mult_internal    n;

    struct ccu_div_internal     m;

    struct ccu_frac_internal    frac;

    struct ccu_sdm_internal     sdm;

​

    unsigned int        fixed_post_div;

    unsigned int        min_rate;

    unsigned int        max_rate;

​

    struct ccu_common   common;

};

​

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

                    _nshift, _nwidth,       \

                    _mshift, _mwidth,       \

                    _sdm_table, _sdm_en,        \

                    _sdm_reg, _sdm_reg_en,      \

                    _gate, _lock, _flags)       \

    struct ccu_nm _struct = {                   \

        .enable     = _gate,                \

        .lock       = _lock,                \

        .n      = _SUNXI_CCU_MULT(_nshift, _nwidth),    \

        .m      = _SUNXI_CCU_DIV(_mshift, _mwidth), \

        .sdm        = _SUNXI_CCU_SDM(_sdm_table, _sdm_en,   \

                         _sdm_reg, _sdm_reg_en),\

        .common     = {                 \

            .reg        = _reg,             \

            .features   = CCU_FEATURE_SIGMA_DELTA_MOD,  \

            .hw.init    = CLK_HW_INIT(_name,        \

                              _parent,      \