// SPDX-License-Identifier: GPL-2.0+ // // OWL divider clock driver // // Copyright (c) 2014 Actions Semi Inc. // Author: David Liu <liuwei@actions-semi.com> // // Copyright (c) 2018 Linaro Ltd. // Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> #ifndef _OWL_DIVIDER_H_ #define _OWL_DIVIDER_H_ #include "owl-common.h" struct owl_divider_hw { u32 reg; u8 shift; u8 width; u8 div_flags; struct clk_div_table *table; }; struct owl_divider { struct owl_divider_hw div_hw; struct owl_clk_common common; }; #define OWL_DIVIDER_HW(_reg, _shift, _width, _div_flags, _table) \ { \ .reg = _reg, \ .shift = _shift, \ .width = _width, \ .div_flags = _div_flags, \ .table = _table, \ } #define OWL_DIVIDER(_struct, _name, _parent, _reg, \ _shift, _width, _table, _div_flags, _flags) \ struct owl_divider _struct = { \ .div_hw = OWL_DIVIDER_HW(_reg, _shift, _width, \ _div_flags, _table), \ .common = { \ .regmap = NULL, \ .hw.init = CLK_HW_INIT(_name, \ _parent, \ &owl_divider_ops, \ _flags), \ }, \ } static inline struct owl_divider *hw_to_owl_divider(const struct clk_hw *hw) { struct owl_clk_common *common = hw_to_owl_clk_common(hw); return container_of(common, struct owl_divider, common); } long owl_divider_helper_round_rate(struct owl_clk_common *common, const struct owl_divider_hw *div_hw, unsigned long rate, unsigned long *parent_rate); unsigned long owl_divider_helper_recalc_rate(struct owl_clk_common *common, const struct owl_divider_hw *div_hw, unsigned long parent_rate); int owl_divider_helper_set_rate(const struct owl_clk_common *common, const struct owl_divider_hw *div_hw, unsigned long rate, unsigned long parent_rate); extern const struct clk_ops owl_divider_ops; #endif /* _OWL_DIVIDER_H_ */