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1// SPDX-License-Identifier: GPL-2.02//3// Spreadtrum composite clock driver4//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 int sprd_comp_determine_rate(struct clk_hw *hw,13 struct clk_rate_request *req)14{15 struct sprd_comp *cc = hw_to_sprd_comp(hw);16 17 return divider_determine_rate(hw, req, NULL, cc->div.width, 0);18}19 20static unsigned long sprd_comp_recalc_rate(struct clk_hw *hw,21 unsigned long parent_rate)22{23 struct sprd_comp *cc = hw_to_sprd_comp(hw);24 25 return sprd_div_helper_recalc_rate(&cc->common, &cc->div, parent_rate);26}27 28static int sprd_comp_set_rate(struct clk_hw *hw, unsigned long rate,29 unsigned long parent_rate)30{31 struct sprd_comp *cc = hw_to_sprd_comp(hw);32 33 return sprd_div_helper_set_rate(&cc->common, &cc->div,34 rate, parent_rate);35}36 37static u8 sprd_comp_get_parent(struct clk_hw *hw)38{39 struct sprd_comp *cc = hw_to_sprd_comp(hw);40 41 return sprd_mux_helper_get_parent(&cc->common, &cc->mux);42}43 44static int sprd_comp_set_parent(struct clk_hw *hw, u8 index)45{46 struct sprd_comp *cc = hw_to_sprd_comp(hw);47 48 return sprd_mux_helper_set_parent(&cc->common, &cc->mux, index);49}50 51const struct clk_ops sprd_comp_ops = {52 .get_parent = sprd_comp_get_parent,53 .set_parent = sprd_comp_set_parent,54 55 .determine_rate = sprd_comp_determine_rate,56 .recalc_rate = sprd_comp_recalc_rate,57 .set_rate = sprd_comp_set_rate,58};59EXPORT_SYMBOL_GPL(sprd_comp_ops);60