Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) // OWL mux clock driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) // Copyright (c) 2014 Actions Semi Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) // Author: David Liu <liuwei@actions-semi.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) // Copyright (c) 2018 Linaro Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) // Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef _OWL_MUX_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _OWL_MUX_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "owl-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct owl_mux_hw {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	u32			reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	u8			shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	u8			width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct owl_mux {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	struct owl_mux_hw	mux_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct owl_clk_common	common;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define OWL_MUX_HW(_reg, _shift, _width)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	{						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		.reg	= _reg,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		.shift	= _shift,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		.width	= _width,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define OWL_MUX(_struct, _name, _parents, _reg,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		_shift, _width, _flags)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	struct owl_mux _struct = {					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		.mux_hw	= OWL_MUX_HW(_reg, _shift, _width),		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		.common = {						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 			.regmap = NULL,					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			.hw.init = CLK_HW_INIT_PARENTS(_name,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 						       _parents,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 						       &owl_mux_ops,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 						       _flags),		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		},							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static inline struct owl_mux *hw_to_owl_mux(const struct clk_hw *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	return container_of(common, struct owl_mux, common);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 owl_mux_helper_get_parent(const struct owl_clk_common *common,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 			     const struct owl_mux_hw *mux_hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int owl_mux_helper_set_parent(const struct owl_clk_common *common,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 			      struct owl_mux_hw *mux_hw, u8 index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) extern const struct clk_ops owl_mux_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #endif /* _OWL_MUX_H_ */