linux-imx

/*

 * Copyright (C) 2016 Maxime Ripard

 * Maxime Ripard <maxime.ripard@free-electrons.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation; either version 2 of

 * the License, or (at your option) any later version.

 */

​

#include <linux/clk-provider.h>

​

#include "ccu_gate.h"

#include "ccu_div.h"

​

static unsigned long ccu_div_round_rate(struct ccu_mux_internal *mux,

                    struct clk_hw *parent,

                    unsigned long *parent_rate,

                    unsigned long rate,

                    void *data)

{

    struct ccu_div *cd = data;

​

    if (cd->common.features & CCU_FEATURE_FIXED_POSTDIV)

        rate *= cd->fixed_post_div;

​

    rate = divider_round_rate_parent(&cd->common.hw, parent,

                     rate, parent_rate,

                     cd->div.table, cd->div.width,

                     cd->div.flags);

​

    if (cd->common.features & CCU_FEATURE_FIXED_POSTDIV)

        rate /= cd->fixed_post_div;

​

    return rate;

}

​

static void ccu_div_disable(struct clk_hw *hw)

{

    struct ccu_div *cd = hw_to_ccu_div(hw);

​

    return ccu_gate_helper_disable(&cd->common, cd->enable);

}

​

static int ccu_div_enable(struct clk_hw *hw)

{

    struct ccu_div *cd = hw_to_ccu_div(hw);

​

    return ccu_gate_helper_enable(&cd->common, cd->enable);

}

​

static int ccu_div_is_enabled(struct clk_hw *hw)

{

    struct ccu_div *cd = hw_to_ccu_div(hw);

​

    return ccu_gate_helper_is_enabled(&cd->common, cd->enable);

}

​

static unsigned long ccu_div_recalc_rate(struct clk_hw *hw,

                    unsigned long parent_rate)

{

    struct ccu_div *cd = hw_to_ccu_div(hw);

    unsigned long val;