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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2024 SpacemiT Technology Co. Ltd
* Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
*/
#ifndef _CCU_DDN_H_
#define _CCU_DDN_H_
#include <linux/bitops.h>
#include <linux/clk-provider.h>
#include "ccu_common.h"
struct ccu_ddn {
struct ccu_common common;
unsigned int num_mask;
unsigned int num_shift;
unsigned int den_mask;
unsigned int den_shift;
};
#define CCU_DDN_INIT(_name, _parent, _flags) \
CLK_HW_INIT_HW(#_name, &_parent.common.hw, &spacemit_ccu_ddn_ops, _flags)
#define CCU_DDN_DEFINE(_name, _parent, _reg_ctrl, _num_shift, _num_width, \
_den_shift, _den_width, _flags) \
static struct ccu_ddn _name = { \
.common = { \
.reg_ctrl = _reg_ctrl, \
.hw.init = CCU_DDN_INIT(_name, _parent, _flags), \
}, \
.num_mask = GENMASK(_num_shift + _num_width - 1, _num_shift), \
.num_shift = _num_shift, \
.den_mask = GENMASK(_den_shift + _den_width - 1, _den_shift), \
.den_shift = _den_shift, \
}
static inline struct ccu_ddn *hw_to_ccu_ddn(struct clk_hw *hw)
{
struct ccu_common *common = hw_to_ccu_common(hw);
return container_of(common, struct ccu_ddn, common);
}
extern const struct clk_ops spacemit_ccu_ddn_ops;
#endif
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