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-rw-r--r--drivers/clk/actions/owl-composite.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/clk/actions/owl-composite.h b/drivers/clk/actions/owl-composite.h
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+++ b/drivers/clk/actions/owl-composite.h
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+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL composite 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_COMPOSITE_H_
+#define _OWL_COMPOSITE_H_
+
+#include "owl-common.h"
+#include "owl-mux.h"
+#include "owl-gate.h"
+#include "owl-factor.h"
+#include "owl-fixed-factor.h"
+#include "owl-divider.h"
+
+union owl_rate {
+ struct owl_divider_hw div_hw;
+ struct owl_factor_hw factor_hw;
+ struct clk_fixed_factor fix_fact_hw;
+};
+
+struct owl_composite {
+ struct owl_mux_hw mux_hw;
+ struct owl_gate_hw gate_hw;
+ union owl_rate rate;
+
+ const struct clk_ops *fix_fact_ops;
+
+ struct owl_clk_common common;
+};
+
+#define OWL_COMP_DIV(_struct, _name, _parent, \
+ _mux, _gate, _div, _flags) \
+ struct owl_composite _struct = { \
+ .mux_hw = _mux, \
+ .gate_hw = _gate, \
+ .rate.div_hw = _div, \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parent, \
+ &owl_comp_div_ops,\
+ _flags), \
+ }, \
+ }
+
+#define OWL_COMP_DIV_FIXED(_struct, _name, _parent, \
+ _gate, _div, _flags) \
+ struct owl_composite _struct = { \
+ .gate_hw = _gate, \
+ .rate.div_hw = _div, \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &owl_comp_div_ops,\
+ _flags), \
+ }, \
+ }
+
+#define OWL_COMP_FACTOR(_struct, _name, _parent, \
+ _mux, _gate, _factor, _flags) \
+ struct owl_composite _struct = { \
+ .mux_hw = _mux, \
+ .gate_hw = _gate, \
+ .rate.factor_hw = _factor, \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parent, \
+ &owl_comp_fact_ops,\
+ _flags), \
+ }, \
+ }
+
+#define OWL_COMP_FIXED_FACTOR(_struct, _name, _parent, \
+ _gate, _mul, _div, _flags) \
+ struct owl_composite _struct = { \
+ .gate_hw = _gate, \
+ .rate.fix_fact_hw.mult = _mul, \
+ .rate.fix_fact_hw.div = _div, \
+ .fix_fact_ops = &clk_fixed_factor_ops, \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &owl_comp_fix_fact_ops,\
+ _flags), \
+ }, \
+ }
+
+#define OWL_COMP_PASS(_struct, _name, _parent, \
+ _mux, _gate, _flags) \
+ struct owl_composite _struct = { \
+ .mux_hw = _mux, \
+ .gate_hw = _gate, \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parent, \
+ &owl_comp_pass_ops,\
+ _flags), \
+ }, \
+ }
+
+static inline struct owl_composite *hw_to_owl_comp(const struct clk_hw *hw)
+{
+ struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+ return container_of(common, struct owl_composite, common);
+}
+
+extern const struct clk_ops owl_comp_div_ops;
+extern const struct clk_ops owl_comp_fact_ops;
+extern const struct clk_ops owl_comp_fix_fact_ops;
+extern const struct clk_ops owl_comp_pass_ops;
+extern const struct clk_ops clk_fixed_factor_ops;
+
+#endif /* _OWL_COMPOSITE_H_ */