1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2016 Socionext Inc.
4 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5 */
6
7#include <linux/clk-provider.h>
8#include <linux/device.h>
9
10#include "clk-uniphier.h"
11
12struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
13						  const char *name,
14			const struct uniphier_clk_fixed_factor_data *data)
15{
16	struct clk_fixed_factor *fix;
17	struct clk_init_data init;
18	int ret;
19
20	fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL);
21	if (!fix)
22		return ERR_PTR(-ENOMEM);
23
24	init.name = name;
25	init.ops = &clk_fixed_factor_ops;
26	init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0;
27	init.parent_names = data->parent_name ? &data->parent_name : NULL;
28	init.num_parents = data->parent_name ? 1 : 0;
29
30	fix->mult = data->mult;
31	fix->div = data->div;
32	fix->hw.init = &init;
33
34	ret = devm_clk_hw_register(dev, &fix->hw);
35	if (ret)
36		return ERR_PTR(ret);
37
38	return &fix->hw;
39}
40