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1/* SPDX-License-Identifier: GPL-2.0+ */2//3// OWL mux clock driver4//5// Copyright (c) 2014 Actions Semi Inc.6// Author: David Liu <liuwei@actions-semi.com>7//8// Copyright (c) 2018 Linaro Ltd.9// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>10 11#ifndef _OWL_MUX_H_12#define _OWL_MUX_H_13 14#include "owl-common.h"15 16struct owl_mux_hw {17 u32 reg;18 u8 shift;19 u8 width;20};21 22struct owl_mux {23 struct owl_mux_hw mux_hw;24 struct owl_clk_common common;25};26 27#define OWL_MUX_HW(_reg, _shift, _width) \28 { \29 .reg = _reg, \30 .shift = _shift, \31 .width = _width, \32 }33 34#define OWL_MUX(_struct, _name, _parents, _reg, \35 _shift, _width, _flags) \36 struct owl_mux _struct = { \37 .mux_hw = OWL_MUX_HW(_reg, _shift, _width), \38 .common = { \39 .regmap = NULL, \40 .hw.init = CLK_HW_INIT_PARENTS(_name, \41 _parents, \42 &owl_mux_ops, \43 _flags), \44 }, \45 }46 47static inline struct owl_mux *hw_to_owl_mux(const struct clk_hw *hw)48{49 struct owl_clk_common *common = hw_to_owl_clk_common(hw);50 51 return container_of(common, struct owl_mux, common);52}53 54u8 owl_mux_helper_get_parent(const struct owl_clk_common *common,55 const struct owl_mux_hw *mux_hw);56int owl_mux_helper_set_parent(const struct owl_clk_common *common,57 struct owl_mux_hw *mux_hw, u8 index);58 59extern const struct clk_ops owl_mux_ops;60 61#endif /* _OWL_MUX_H_ */62