72 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2016 Maxime Ripard. All rights reserved.
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|  *
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|  * This software is licensed under the terms of the GNU General Public
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|  * License version 2, as published by the Free Software Foundation, and
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|  * may be copied, distributed, and modified under those terms.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  */
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| 
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| #ifndef _CCU_NK_H_
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| #define _CCU_NK_H_
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| 
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| #include <linux/clk-provider.h>
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| 
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| #include "ccu_common.h"
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| #include "ccu_div.h"
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| #include "ccu_mult.h"
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| 
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| /*
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|  * struct ccu_nk - Definition of an N-K clock
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|  *
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|  * Clocks based on the formula parent * N * K
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|  */
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| struct ccu_nk {
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| 	u16			reg;
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| 	u32			enable;
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| 	u32			lock;
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| 
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| 	struct ccu_mult_internal	n;
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| 	struct ccu_mult_internal	k;
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| 
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| 	unsigned int		fixed_post_div;
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| 
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| 	struct ccu_common	common;
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| };
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| 
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| #define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
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| 					    _nshift, _nwidth,		\
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| 					    _kshift, _kwidth,		\
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| 					    _gate, _lock, _postdiv,	\
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| 					    _flags)			\
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| 	struct ccu_nk _struct = {					\
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| 		.enable		= _gate,				\
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| 		.lock		= _lock,				\
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| 		.k		= _SUNXI_CCU_MULT(_kshift, _kwidth),	\
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| 		.n		= _SUNXI_CCU_MULT(_nshift, _nwidth),	\
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| 		.fixed_post_div	= _postdiv,				\
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| 		.common		= {					\
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| 			.reg		= _reg,				\
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| 			.features	= CCU_FEATURE_FIXED_POSTDIV,	\
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| 			.hw.init	= CLK_HW_INIT(_name,		\
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| 						      _parent,		\
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| 						      &ccu_nk_ops,	\
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| 						      _flags),		\
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| 		},							\
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| 	}
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| 
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| static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
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| {
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| 	struct ccu_common *common = hw_to_ccu_common(hw);
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| 
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| 	return container_of(common, struct ccu_nk, common);
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| }
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| 
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| extern const struct clk_ops ccu_nk_ops;
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| 
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| #endif /* _CCU_NK_H_ */
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