Release 4.18 drivers/clk/actions/owl-mux.h

// SPDX-License-Identifier: GPL-2.0+
//
// OWL mux 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_MUX_H_

#define _OWL_MUX_H_

#include "owl-common.h"


struct owl_mux_hw {
	
u32			reg;
	
u8			shift;
	
u8			width;
};


struct owl_mux {
	
struct owl_mux_hw	mux_hw;
	
struct owl_clk_common	common;
};


#define OWL_MUX_HW(_reg, _shift, _width)		\
	{                                               \
                .reg    = _reg,                         \
                .shift  = _shift,                       \
                .width  = _width,                       \
        }

#define OWL_MUX(_struct, _name, _parents, _reg,                               \
		
_shift, _width, _flags)					\
	struct owl_mux _struct = {                                      \
                .mux_hw = OWL_MUX_HW(_reg, _shift, _width),             \
                .common = {                                             \
                        .regmap = NULL,                                 \
                        .hw.init = CLK_HW_INIT_PARENTS(_name,           \
                                                       _parents,        \
                                                       &owl_mux_ops,    \
                                                       _flags),         \
                },                                                      \
        }



static inline struct owl_mux *hw_to_owl_mux(const struct clk_hw *hw)
{
	struct owl_clk_common *common = hw_to_owl_clk_common(hw);

	return container_of(common, struct owl_mux, common);
}

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u8 owl_mux_helper_get_parent(const struct owl_clk_common *common,
			     const struct owl_mux_hw *mux_hw);
int owl_mux_helper_set_parent(const struct owl_clk_common *common,
			      struct owl_mux_hw *mux_hw, u8 index);

extern const struct clk_ops owl_mux_ops;

#endif /* _OWL_MUX_H_ */
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Directory: drivers/clk/actions

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