linux/drivers/clk/sprd/composite.c

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// SPDX-License-Identifier: GPL-2.0
//
// Spreadtrum composite clock driver
//
// Copyright (C) 2017 Spreadtrum, Inc.
// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
#include <linux/clk-provider.h>
#include "composite.h"
static long sprd_comp_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
struct sprd_comp *cc = hw_to_sprd_comp(hw);
return sprd_div_helper_round_rate(&cc->common, &cc->div,
rate, parent_rate);
}
static unsigned long sprd_comp_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct sprd_comp *cc = hw_to_sprd_comp(hw);
return sprd_div_helper_recalc_rate(&cc->common, &cc->div, parent_rate);
}
static int sprd_comp_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct sprd_comp *cc = hw_to_sprd_comp(hw);
return sprd_div_helper_set_rate(&cc->common, &cc->div,
rate, parent_rate);
}
static u8 sprd_comp_get_parent(struct clk_hw *hw)
{
struct sprd_comp *cc = hw_to_sprd_comp(hw);
return sprd_mux_helper_get_parent(&cc->common, &cc->mux);
}
static int sprd_comp_set_parent(struct clk_hw *hw, u8 index)
{
struct sprd_comp *cc = hw_to_sprd_comp(hw);
return sprd_mux_helper_set_parent(&cc->common, &cc->mux, index);
}
const struct clk_ops sprd_comp_ops = {
.get_parent = sprd_comp_get_parent,
.set_parent = sprd_comp_set_parent,
.round_rate = sprd_comp_round_rate,
.recalc_rate = sprd_comp_recalc_rate,
.set_rate = sprd_comp_set_rate,
};
EXPORT_SYMBOL_GPL(sprd_comp_ops);