14fcba55cSChunyan Zhang // SPDX-License-Identifier: GPL-2.0 24fcba55cSChunyan Zhang // 34fcba55cSChunyan Zhang // Spreadtrum composite clock driver 44fcba55cSChunyan Zhang // 54fcba55cSChunyan Zhang // Copyright (C) 2017 Spreadtrum, Inc. 64fcba55cSChunyan Zhang // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com> 74fcba55cSChunyan Zhang 84fcba55cSChunyan Zhang #include <linux/clk-provider.h> 94fcba55cSChunyan Zhang 104fcba55cSChunyan Zhang #include "composite.h" 114fcba55cSChunyan Zhang 124fcba55cSChunyan Zhang static long sprd_comp_round_rate(struct clk_hw *hw, unsigned long rate, 134fcba55cSChunyan Zhang unsigned long *parent_rate) 144fcba55cSChunyan Zhang { 154fcba55cSChunyan Zhang struct sprd_comp *cc = hw_to_sprd_comp(hw); 164fcba55cSChunyan Zhang 174fcba55cSChunyan Zhang return sprd_div_helper_round_rate(&cc->common, &cc->div, 184fcba55cSChunyan Zhang rate, parent_rate); 194fcba55cSChunyan Zhang } 204fcba55cSChunyan Zhang 214fcba55cSChunyan Zhang static unsigned long sprd_comp_recalc_rate(struct clk_hw *hw, 224fcba55cSChunyan Zhang unsigned long parent_rate) 234fcba55cSChunyan Zhang { 244fcba55cSChunyan Zhang struct sprd_comp *cc = hw_to_sprd_comp(hw); 254fcba55cSChunyan Zhang 264fcba55cSChunyan Zhang return sprd_div_helper_recalc_rate(&cc->common, &cc->div, parent_rate); 274fcba55cSChunyan Zhang } 284fcba55cSChunyan Zhang 294fcba55cSChunyan Zhang static int sprd_comp_set_rate(struct clk_hw *hw, unsigned long rate, 304fcba55cSChunyan Zhang unsigned long parent_rate) 314fcba55cSChunyan Zhang { 324fcba55cSChunyan Zhang struct sprd_comp *cc = hw_to_sprd_comp(hw); 334fcba55cSChunyan Zhang 344fcba55cSChunyan Zhang return sprd_div_helper_set_rate(&cc->common, &cc->div, 354fcba55cSChunyan Zhang rate, parent_rate); 364fcba55cSChunyan Zhang } 374fcba55cSChunyan Zhang 384fcba55cSChunyan Zhang static u8 sprd_comp_get_parent(struct clk_hw *hw) 394fcba55cSChunyan Zhang { 404fcba55cSChunyan Zhang struct sprd_comp *cc = hw_to_sprd_comp(hw); 414fcba55cSChunyan Zhang 424fcba55cSChunyan Zhang return sprd_mux_helper_get_parent(&cc->common, &cc->mux); 434fcba55cSChunyan Zhang } 444fcba55cSChunyan Zhang 454fcba55cSChunyan Zhang static int sprd_comp_set_parent(struct clk_hw *hw, u8 index) 464fcba55cSChunyan Zhang { 474fcba55cSChunyan Zhang struct sprd_comp *cc = hw_to_sprd_comp(hw); 484fcba55cSChunyan Zhang 494fcba55cSChunyan Zhang return sprd_mux_helper_set_parent(&cc->common, &cc->mux, index); 504fcba55cSChunyan Zhang } 514fcba55cSChunyan Zhang 524fcba55cSChunyan Zhang const struct clk_ops sprd_comp_ops = { 534fcba55cSChunyan Zhang .get_parent = sprd_comp_get_parent, 544fcba55cSChunyan Zhang .set_parent = sprd_comp_set_parent, 554fcba55cSChunyan Zhang 564fcba55cSChunyan Zhang .round_rate = sprd_comp_round_rate, 574fcba55cSChunyan Zhang .recalc_rate = sprd_comp_recalc_rate, 584fcba55cSChunyan Zhang .set_rate = sprd_comp_set_rate, 594fcba55cSChunyan Zhang }; 604fcba55cSChunyan Zhang EXPORT_SYMBOL_GPL(sprd_comp_ops); 61