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