/* 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