132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
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|  * Copyright (c) 2013 Linaro Ltd.
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|  *
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|  * Common Clock Framework support for all PLL's in Samsung platforms
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| */
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| 
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| #ifndef __SAMSUNG_CLK_PLL_H
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| #define __SAMSUNG_CLK_PLL_H
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| 
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| enum samsung_pll_type {
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| 	pll_2126,
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| 	pll_3000,
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| 	pll_35xx,
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| 	pll_36xx,
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| 	pll_2550,
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| 	pll_2650,
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| 	pll_4500,
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| 	pll_4502,
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| 	pll_4508,
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| 	pll_4600,
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| 	pll_4650,
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| 	pll_4650c,
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| 	pll_6552,
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| 	pll_6552_s3c2416,
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| 	pll_6553,
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| 	pll_s3c2410_mpll,
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| 	pll_s3c2410_upll,
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| 	pll_s3c2440_mpll,
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| 	pll_2550x,
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| 	pll_2550xx,
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| 	pll_2650x,
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| 	pll_2650xx,
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| 	pll_1450x,
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| 	pll_1451x,
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| 	pll_1452x,
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| 	pll_1460x,
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| };
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| 
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| #define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \
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| 	((u64)(_fin) * (BIT(_ks) * (_m) + (_k)) / BIT(_ks) / ((_p) << (_s)))
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| #define PLL_VALID_RATE(_fin, _fout, _m, _p, _s, _k, _ks) ((_fout) + \
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| 	BUILD_BUG_ON_ZERO(PLL_RATE(_fin, _m, _p, _s, _k, _ks) != (_fout)))
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| 
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| #define PLL_35XX_RATE(_fin, _rate, _m, _p, _s)			\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m, _p, _s, 0, 16),		\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 	}
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| 
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| #define PLL_S3C2410_MPLL_RATE(_fin, _rate, _m, _p, _s)		\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m + 8, _p + 2, _s, 0, 16),	\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 	}
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| 
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| #define PLL_S3C2440_MPLL_RATE(_fin, _rate, _m, _p, _s)		\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				2 * (_m + 8), _p + 2, _s, 0, 16), \
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 	}
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| 
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| #define PLL_36XX_RATE(_fin, _rate, _m, _p, _s, _k)		\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m, _p, _s, _k, 16),		\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 		.kdiv	=	(_k),				\
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| 	}
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| 
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| #define PLL_4508_RATE(_fin, _rate, _m, _p, _s, _afc)		\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m, _p, _s - 1, 0, 16),		\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 		.afc	=	(_afc),				\
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| 	}
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| 
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| #define PLL_4600_RATE(_fin, _rate, _m, _p, _s, _k, _vsel)	\
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m, _p, _s, _k, 16),		\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 		.kdiv	=	(_k),				\
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| 		.vsel	=	(_vsel),			\
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| 	}
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| 
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| #define PLL_4650_RATE(_fin, _rate, _m, _p, _s, _k, _mfr, _mrr, _vsel) \
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| 	{							\
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| 		.rate	=	PLL_VALID_RATE(_fin, _rate,	\
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| 				_m, _p, _s, _k, 10),		\
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| 		.mdiv	=	(_m),				\
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| 		.pdiv	=	(_p),				\
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| 		.sdiv	=	(_s),				\
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| 		.kdiv	=	(_k),				\
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| 		.mfr	=	(_mfr),				\
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| 		.mrr	=	(_mrr),				\
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| 		.vsel	=	(_vsel),			\
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| 	}
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| 
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| /* NOTE: Rate table should be kept sorted in descending order. */
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| 
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| struct samsung_pll_rate_table {
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| 	unsigned int rate;
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| 	unsigned int pdiv;
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| 	unsigned int mdiv;
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| 	unsigned int sdiv;
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| 	unsigned int kdiv;
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| 	unsigned int afc;
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| 	unsigned int mfr;
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| 	unsigned int mrr;
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| 	unsigned int vsel;
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| };
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| 
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| #endif /* __SAMSUNG_CLK_PLL_H */
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