74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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//
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// OWL gate clock driver
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//
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// Copyright (c) 2014 Actions Semi Inc.
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// Author: David Liu <liuwei@actions-semi.com>
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//
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// Copyright (c) 2018 Linaro Ltd.
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// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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#ifndef _OWL_GATE_H_
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#define _OWL_GATE_H_
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#include "owl-common.h"
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struct owl_gate_hw {
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u32 reg;
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u8 bit_idx;
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u8 gate_flags;
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};
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struct owl_gate {
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struct owl_gate_hw gate_hw;
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struct owl_clk_common common;
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};
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#define OWL_GATE_HW(_reg, _bit_idx, _gate_flags) \
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{ \
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.reg = _reg, \
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.bit_idx = _bit_idx, \
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.gate_flags = _gate_flags, \
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}
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#define OWL_GATE(_struct, _name, _parent, _reg, \
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_bit_idx, _gate_flags, _flags) \
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struct owl_gate _struct = { \
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.gate_hw = OWL_GATE_HW(_reg, _bit_idx, _gate_flags), \
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.common = { \
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.regmap = NULL, \
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.hw.init = CLK_HW_INIT(_name, \
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_parent, \
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&owl_gate_ops, \
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_flags), \
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} \
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} \
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#define OWL_GATE_NO_PARENT(_struct, _name, _reg, \
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_bit_idx, _gate_flags, _flags) \
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struct owl_gate _struct = { \
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.gate_hw = OWL_GATE_HW(_reg, _bit_idx, _gate_flags), \
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.common = { \
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.regmap = NULL, \
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.hw.init = CLK_HW_INIT_NO_PARENT(_name, \
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&owl_gate_ops, \
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_flags), \
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}, \
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} \
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static inline struct owl_gate *hw_to_owl_gate(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_gate, common);
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}
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void owl_gate_set(const struct owl_clk_common *common,
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const struct owl_gate_hw *gate_hw, bool enable);
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int owl_gate_clk_is_enabled(const struct owl_clk_common *common,
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const struct owl_gate_hw *gate_hw);
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extern const struct clk_ops owl_gate_ops;
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#endif /* _OWL_GATE_H_ */
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