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/*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* Copyright (c) 2013 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Common Clock Framework support for all PLL's in Samsung platforms
*/
#ifndef __SAMSUNG_CLK_PLL_H
#define __SAMSUNG_CLK_PLL_H
enum samsung_pll_type {
pll_2126,
pll_3000,
pll_35xx,
pll_36xx,
pll_2550,
pll_2650,
pll_4500,
pll_4502,
pll_4508,
pll_4600,
pll_4650,
pll_4650c,
pll_6552,
pll_6552_s3c2416,
pll_6553,
pll_s3c2410_mpll,
pll_s3c2410_upll,
pll_s3c2440_mpll,
pll_2550x,
pll_2550xx,
pll_2650x,
pll_2650xx,
pll_1450x,
pll_1451x,
pll_1452x,
pll_1460x,
};
#define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \
((u64)(_fin) * (BIT(_ks) * (_m) + (_k)) / BIT(_ks) / ((_p) << (_s)))
#define PLL_VALID_RATE(_fin, _fout, _m, _p, _s, _k, _ks) ((_fout) + \
BUILD_BUG_ON_ZERO(PLL_RATE(_fin, _m, _p, _s, _k, _ks) != (_fout)))
#define PLL_35XX_RATE(_fin, _rate, _m, _p, _s) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m, _p, _s, 0, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
}
#define PLL_S3C2410_MPLL_RATE(_fin, _rate, _m, _p, _s) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m + 8, _p + 2, _s, 0, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
}
#define PLL_S3C2440_MPLL_RATE(_fin, _rate, _m, _p, _s) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
2 * (_m + 8), _p + 2, _s, 0, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
}
#define PLL_36XX_RATE(_fin, _rate, _m, _p, _s, _k) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m, _p, _s, _k, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
.kdiv = (_k), \
}
#define PLL_4508_RATE(_fin, _rate, _m, _p, _s, _afc) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m, _p, _s - 1, 0, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
.afc = (_afc), \
}
#define PLL_4600_RATE(_fin, _rate, _m, _p, _s, _k, _vsel) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m, _p, _s, _k, 16), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
.kdiv = (_k), \
.vsel = (_vsel), \
}
#define PLL_4650_RATE(_fin, _rate, _m, _p, _s, _k, _mfr, _mrr, _vsel) \
{ \
.rate = PLL_VALID_RATE(_fin, _rate, \
_m, _p, _s, _k, 10), \
.mdiv = (_m), \
.pdiv = (_p), \
.sdiv = (_s), \
.kdiv = (_k), \
.mfr = (_mfr), \
.mrr = (_mrr), \
.vsel = (_vsel), \
}
/* NOTE: Rate table should be kept sorted in descending order. */
struct samsung_pll_rate_table {
unsigned int rate;
unsigned int pdiv;
unsigned int mdiv;
unsigned int sdiv;
unsigned int kdiv;
unsigned int afc;
unsigned int mfr;
unsigned int mrr;
unsigned int vsel;
};
#endif /* __SAMSUNG_CLK_PLL_H */
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