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

   1/*
   2 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   3 *
   4 * This software is licensed under the terms of the GNU General Public
   5 * License version 2, as published by the Free Software Foundation, and
   6 * may be copied, distributed, and modified under those terms.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 */
  13
  14#ifndef _CCU_GATE_H_
  15#define _CCU_GATE_H_
  16
  17#include <linux/clk-provider.h>
  18
  19#include "ccu_common.h"
  20
  21struct ccu_gate {
  22        u32                     enable;
  23
  24        struct ccu_common       common;
  25};
  26
  27#define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags)    \
  28        struct ccu_gate _struct = {                                     \
  29                .enable = _gate,                                        \
  30                .common = {                                             \
  31                        .reg            = _reg,                         \
  32                        .hw.init        = CLK_HW_INIT(_name,            \
  33                                                      _parent,          \
  34                                                      &ccu_gate_ops,    \
  35                                                      _flags),          \
  36                }                                                       \
  37        }
  38
  39static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
  40{
  41        struct ccu_common *common = hw_to_ccu_common(hw);
  42
  43        return container_of(common, struct ccu_gate, common);
  44}
  45
  46void ccu_gate_helper_disable(struct ccu_common *common, u32 gate);
  47int ccu_gate_helper_enable(struct ccu_common *common, u32 gate);
  48int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate);
  49
  50extern const struct clk_ops ccu_gate_ops;
  51
  52#endif /* _CCU_GATE_H_ */
  53