// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2016 Socionext Inc.
 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
 */

#include <linux/clk-provider.h>
#include <linux/device.h>

#include "clk-uniphier.h"

struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
                                                  const char *name,
                        const struct uniphier_clk_fixed_factor_data *data)
{
        struct clk_fixed_factor *fix;
        struct clk_init_data init;
        int ret;

        fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL);
        if (!fix)
                return ERR_PTR(-ENOMEM);

        init.name = name;
        init.ops = &clk_fixed_factor_ops;
        init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0;
        init.parent_names = data->parent_name ? &data->parent_name : NULL;
        init.num_parents = data->parent_name ? 1 : 0;

        fix->mult = data->mult;
        fix->div = data->div;
        fix->hw.init = &init;

        ret = devm_clk_hw_register(dev, &fix->hw);
        if (ret)
                return ERR_PTR(ret);

        return &fix->hw;
}