LXR linux/drivers/clk/sunxi-ng/ccu

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   4 */
   5
   6#ifndef _CCU_NK_H_
   7#define _CCU_NK_H_
   8
   9#include <linux/clk-provider.h>
  10
  11#include "ccu_common.h"
  12#include "ccu_div.h"
  13#include "ccu_mult.h"
  14
  15/*
  16 * struct ccu_nk - Definition of an N-K clock
  17 *
  18 * Clocks based on the formula parent * N * K
  19 */
  20struct ccu_nk {
  21        u16                     reg;
  22        u32                     enable;
  23        u32                     lock;
  24
  25        struct ccu_mult_internal        n;
  26        struct ccu_mult_internal        k;
  27
  28        unsigned int            fixed_post_div;
  29
  30        struct ccu_common       common;
  31};
  32
  33#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
  34                                            _nshift, _nwidth,           \
  35                                            _kshift, _kwidth,           \
  36                                            _gate, _lock, _postdiv,     \
  37                                            _flags)                     \
  38        struct ccu_nk _struct = {                                       \
  39                .enable         = _gate,                                \
  40                .lock           = _lock,                                \
  41                .k              = _SUNXI_CCU_MULT(_kshift, _kwidth),    \
  42                .n              = _SUNXI_CCU_MULT(_nshift, _nwidth),    \
  43                .fixed_post_div = _postdiv,                             \
  44                .common         = {                                     \
  45                        .reg            = _reg,                         \
  46                        .features       = CCU_FEATURE_FIXED_POSTDIV,    \
  47                        .hw.init        = CLK_HW_INIT(_name,            \
  48                                                      _parent,          \
  49                                                      &ccu_nk_ops,      \
  50                                                      _flags),          \
  51                },                                                      \
  52        }
  53
  54static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
  55{
  56        struct ccu_common *common = hw_to_ccu_common(hw);
  57
  58        return container_of(common, struct ccu_nk, common);
  59}
  60
  61extern const struct clk_ops ccu_nk_ops;
  62
  63#endif /* _CCU_NK_H_ */
  64