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- /* SPDX-License-Identifier: GPL-2.0+ */
- //
- // OWL mux clock driver
- //
- // Copyright (c) 2014 Actions Semi Inc.
- // Author: David Liu <[email protected]>
- //
- // Copyright (c) 2018 Linaro Ltd.
- // Author: Manivannan Sadhasivam <[email protected]>
- #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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