/* 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; unsigned int pre_div; }; #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, _pre_div, _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, \ .pre_div = _pre_div, \ } 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