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47 lines
1.0 KiB
47 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* (C) Copyright 2018 - Beniamino Galvani <[email protected]> |
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* (C) Copyright 2018 - BayLibre, SAS |
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* Author: Neil Armstrong <[email protected]> |
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*/ |
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#ifndef CLK_MESON_H |
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#define CLK_MESON_H |
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/* Gate Structure */ |
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struct meson_gate { |
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unsigned int reg; |
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unsigned int bit; |
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}; |
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#define MESON_GATE(id, _reg, _bit) \ |
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[id] = { \ |
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.reg = (_reg), \ |
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.bit = (_bit), \ |
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} |
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/* PLL Parameters */ |
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struct parm { |
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u16 reg_off; |
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u8 shift; |
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u8 width; |
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}; |
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#define PMASK(width) GENMASK(width - 1, 0) |
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#define SETPMASK(width, shift) GENMASK(shift + width - 1, shift) |
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#define CLRPMASK(width, shift) (~SETPMASK(width, shift)) |
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#define PARM_GET(width, shift, reg) \ |
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(((reg) & SETPMASK(width, shift)) >> (shift)) |
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#define PARM_SET(width, shift, reg, val) \ |
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(((reg) & CLRPMASK(width, shift)) | ((val) << (shift))) |
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/* MPLL Parameters */ |
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#define SDM_DEN 16384 |
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#define N2_MIN 4 |
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#define N2_MAX 511 |
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#endif
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