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