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// 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);
}
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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