1// SPDX-License-Identifier: GPL-2.0
 2//
 3// Spreadtrum composite clock driver
 4//
 5// Copyright (C) 2017 Spreadtrum, Inc.
 6// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
 7
 8#include <linux/clk-provider.h>
 9
10#include "composite.h"
11
12static long sprd_comp_round_rate(struct clk_hw *hw, unsigned long rate,
13				unsigned long *parent_rate)
14{
15	struct sprd_comp *cc = hw_to_sprd_comp(hw);
16
17	return sprd_div_helper_round_rate(&cc->common, &cc->div,
18					 rate, parent_rate);
19}
20
21static unsigned long sprd_comp_recalc_rate(struct clk_hw *hw,
22					  unsigned long parent_rate)
23{
24	struct sprd_comp *cc = hw_to_sprd_comp(hw);
25
26	return sprd_div_helper_recalc_rate(&cc->common, &cc->div, parent_rate);
27}
28
29static int sprd_comp_set_rate(struct clk_hw *hw, unsigned long rate,
30			     unsigned long parent_rate)
31{
32	struct sprd_comp *cc = hw_to_sprd_comp(hw);
33
34	return sprd_div_helper_set_rate(&cc->common, &cc->div,
35				       rate, parent_rate);
36}
37
38static u8 sprd_comp_get_parent(struct clk_hw *hw)
39{
40	struct sprd_comp *cc = hw_to_sprd_comp(hw);
41
42	return sprd_mux_helper_get_parent(&cc->common, &cc->mux);
43}
44
45static int sprd_comp_set_parent(struct clk_hw *hw, u8 index)
46{
47	struct sprd_comp *cc = hw_to_sprd_comp(hw);
48
49	return sprd_mux_helper_set_parent(&cc->common, &cc->mux, index);
50}
51
52const struct clk_ops sprd_comp_ops = {
53	.get_parent	= sprd_comp_get_parent,
54	.set_parent	= sprd_comp_set_parent,
55
56	.round_rate	= sprd_comp_round_rate,
57	.recalc_rate	= sprd_comp_recalc_rate,
58	.set_rate	= sprd_comp_set_rate,
59};
60EXPORT_SYMBOL_GPL(sprd_comp_ops);