Unverified Commit b30fc68e authored by Samuel Holland's avatar Samuel Holland Committed by Maxime Ripard
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clk: sunxi-ng: gate: Add macros for gates with fixed dividers 



It is possible to declare a gate with a fixed divider, by using the
CCU_FEATURE_ALL_PREDIV flag. Since this is not obvious, add a macro
for declaring this type of clock.

Signed-off-by: default avatarSamuel Holland <samuel@sholland.org>
Signed-off-by: default avatarMaxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20211119043545.4010-6-samuel@sholland.org
parent 8107c859

drivers/clk/sunxi-ng/ccu_gate.h

+31 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ struct ccu_gate { 
	}



/*

 * The following two macros allow the re-use of the data structure

 * The following macros allow the re-use of the data structure

 * holding the parent info.

 */

#define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \
@@ -68,6 +68,21 @@ struct ccu_gate { 
		}							\

	}



#define SUNXI_CCU_GATE_HWS_WITH_PREDIV(_struct, _name, _parent, _reg,	\

				       _gate, _prediv, _flags)		\

	struct ccu_gate _struct = {					\

		.enable	= _gate,					\

		.common	= {						\

			.reg		= _reg,				\

			.prediv		= _prediv,			\

			.features	= CCU_FEATURE_ALL_PREDIV,	\

			.hw.init	= CLK_HW_INIT_HWS(_name,	\

							  _parent,	\

							  &ccu_gate_ops, \

							  _flags),	\

		}							\

	}



#define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags)	\

	struct ccu_gate _struct = {					\

		.enable	= _gate,					\
@@ -81,6 +96,21 @@ struct ccu_gate { 
		}							\

	}



#define SUNXI_CCU_GATE_DATA_WITH_PREDIV(_struct, _name, _parent, _reg,	\

					_gate, _prediv, _flags)		\

	struct ccu_gate _struct = {					\

		.enable	= _gate,					\

		.common	= {						\

			.reg		= _reg,				\

			.prediv		= _prediv,			\

			.features	= CCU_FEATURE_ALL_PREDIV,	\

			.hw.init	= CLK_HW_INIT_PARENTS_DATA(_name, \

								   _parent, \

								   &ccu_gate_ops, \

								   _flags), \

		}							\

	}



static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)

{

	struct ccu_common *common = hw_to_ccu_common(hw);