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61 lines
1.4 KiB
61 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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// |
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// OWL mux clock driver |
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// |
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// Copyright (c) 2014 Actions Semi Inc. |
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// Author: David Liu <[email protected]> |
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// |
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// Copyright (c) 2018 Linaro Ltd. |
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// Author: Manivannan Sadhasivam <[email protected]> |
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#ifndef _OWL_MUX_H_ |
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#define _OWL_MUX_H_ |
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#include "owl-common.h" |
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struct owl_mux_hw { |
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u32 reg; |
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u8 shift; |
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u8 width; |
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}; |
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struct owl_mux { |
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struct owl_mux_hw mux_hw; |
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struct owl_clk_common common; |
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}; |
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#define OWL_MUX_HW(_reg, _shift, _width) \ |
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{ \ |
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.reg = _reg, \ |
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.shift = _shift, \ |
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.width = _width, \ |
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} |
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#define OWL_MUX(_struct, _name, _parents, _reg, \ |
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_shift, _width, _flags) \ |
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struct owl_mux _struct = { \ |
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.mux_hw = OWL_MUX_HW(_reg, _shift, _width), \ |
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.common = { \ |
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.regmap = NULL, \ |
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.hw.init = CLK_HW_INIT_PARENTS(_name, \ |
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_parents, \ |
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&owl_mux_ops, \ |
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_flags), \ |
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}, \ |
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} |
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static inline struct owl_mux *hw_to_owl_mux(const struct clk_hw *hw) |
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{ |
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struct owl_clk_common *common = hw_to_owl_clk_common(hw); |
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return container_of(common, struct owl_mux, common); |
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} |
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u8 owl_mux_helper_get_parent(const struct owl_clk_common *common, |
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const struct owl_mux_hw *mux_hw); |
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int owl_mux_helper_set_parent(const struct owl_clk_common *common, |
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struct owl_mux_hw *mux_hw, u8 index); |
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extern const struct clk_ops owl_mux_ops; |
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#endif /* _OWL_MUX_H_ */
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