drivers/clk/sunxi-ng/ccu_nk.h

Source file repositories/reference/linux-study-clean/drivers/clk/sunxi-ng/ccu_nk.h

File Facts

System
Linux kernel
Corpus path
drivers/clk/sunxi-ng/ccu_nk.h
Extension
.h
Size
1381 bytes
Lines
64
Domain
Driver Families
Bucket
drivers/clk
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ccu_nk {
	u16			reg;
	u32			enable;
	u32			lock;

	struct ccu_mult_internal	n;
	struct ccu_mult_internal	k;

	unsigned int		fixed_post_div;

	struct ccu_common	common;
};

#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
					    _nshift, _nwidth,		\
					    _kshift, _kwidth,		\
					    _gate, _lock, _postdiv,	\
					    _flags)			\
	struct ccu_nk _struct = {					\
		.enable		= _gate,				\
		.lock		= _lock,				\
		.k		= _SUNXI_CCU_MULT(_kshift, _kwidth),	\
		.n		= _SUNXI_CCU_MULT(_nshift, _nwidth),	\
		.fixed_post_div	= _postdiv,				\
		.common		= {					\
			.reg		= _reg,				\
			.features	= CCU_FEATURE_FIXED_POSTDIV,	\
			.hw.init	= CLK_HW_INIT(_name,		\
						      _parent,		\
						      &ccu_nk_ops,	\
						      _flags),		\
		},							\
	}

static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
{
	struct ccu_common *common = hw_to_ccu_common(hw);

	return container_of(common, struct ccu_nk, common);
}

extern const struct clk_ops ccu_nk_ops;

#endif /* _CCU_NK_H_ */

Annotation

Implementation Notes