Commit 253795ab authored by Frank Oltmanns's avatar Frank Oltmanns Committed by Chen-Yu Tsai
Browse files

clk: sunxi-ng: div: Support finding closest rate 



Add initalization macros for divisor clocks with mux
(SUNXI_CCU_M_WITH_MUX) to support finding the closest rate. This clock
type requires the appropriate flags to be set in the .common structure
(for the mux part of the clock) and the .div part.

Acked-by: default avatarMaxime Ripard <mripard@kernel.org>
Reviewed-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: default avatarFrank Oltmanns <frank@oltmanns.dev>
Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-9-f173239a4b59@oltmanns.dev


Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
parent 78e7f7da

drivers/clk/sunxi-ng/ccu_div.h

+30 −0
Original line number Diff line number Diff line
@@ -143,6 +143,26 @@ struct ccu_div { 
		},							\

	}



#define SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name,		\

						_parents, _table,	\

						_reg,			\

						_mshift, _mwidth,	\

						_muxshift, _muxwidth,	\

						_gate, _flags)		\

	struct ccu_div _struct = {					\

		.enable	= _gate,					\

		.div	= _SUNXI_CCU_DIV_FLAGS(_mshift, _mwidth, CLK_DIVIDER_ROUND_CLOSEST), \

		.mux	= _SUNXI_CCU_MUX_TABLE(_muxshift, _muxwidth, _table), \

		.common	= {						\

			.reg		= _reg,				\

			.hw.init	= CLK_HW_INIT_PARENTS(_name,	\

							      _parents, \

							      &ccu_div_ops, \

							      _flags),	\

			.features	= CCU_FEATURE_CLOSEST_RATE,	\

		},							\

	}



#define SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg,	\

				  _mshift, _mwidth, _muxshift, _muxwidth, \

				  _gate, _flags)			\
@@ -152,6 +172,16 @@ struct ccu_div { 
					_muxshift, _muxwidth,		\

					_gate, _flags)



#define SUNXI_CCU_M_WITH_MUX_GATE_CLOSEST(_struct, _name, _parents,	\

					  _reg, _mshift, _mwidth,	\

					  _muxshift, _muxwidth,		\

					  _gate, _flags)		\

	SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name,		\

						_parents, NULL,		\

						_reg, _mshift, _mwidth,	\

						_muxshift, _muxwidth,	\

						_gate, _flags)



#define SUNXI_CCU_M_WITH_MUX(_struct, _name, _parents, _reg,		\

			     _mshift, _mwidth, _muxshift, _muxwidth,	\

			     _flags)					\