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Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016 Maxime Ripard. All rights reserved.
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*/
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#ifndef _CCU_MP_H_
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#define _CCU_MP_H_
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#include <linux/bitops.h>
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#include <linux/clk-provider.h>
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#include "ccu_common.h"
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#include "ccu_div.h"
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#include "ccu_mult.h"
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#include "ccu_mux.h"
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/*
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* struct ccu_mp - Definition of an M-P clock
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*
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* Clocks based on the formula parent >> P / M
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*/
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struct ccu_mp {
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u32 enable;
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struct ccu_div_internal m;
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struct ccu_div_internal p;
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struct ccu_mux_internal mux;
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unsigned int fixed_post_div;
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struct ccu_common common;
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};
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#define SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(_struct, _name, _parents, _reg, \
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_mshift, _mwidth, \
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_pshift, _pwidth, \
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_muxshift, _muxwidth, \
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_gate, _postdiv, _flags) \
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struct ccu_mp _struct = { \
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.enable = _gate, \
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.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
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.p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
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.mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \
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.fixed_post_div = _postdiv, \
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.common = { \
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.reg = _reg, \
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.features = CCU_FEATURE_FIXED_POSTDIV, \
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.hw.init = CLK_HW_INIT_PARENTS(_name, \
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_parents, \
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&ccu_mp_ops, \
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_flags), \
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} \
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}
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#define SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
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_mshift, _mwidth, \
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_pshift, _pwidth, \
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_muxshift, _muxwidth, \
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_gate, _flags) \
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struct ccu_mp _struct = { \
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.enable = _gate, \
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.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
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.p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
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.mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \
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.common = { \
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.reg = _reg, \
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.hw.init = CLK_HW_INIT_PARENTS(_name, \
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_parents, \
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&ccu_mp_ops, \
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_flags), \
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} \
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}
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#define SUNXI_CCU_MP_WITH_MUX(_struct, _name, _parents, _reg, \
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_mshift, _mwidth, \
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_pshift, _pwidth, \
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_muxshift, _muxwidth, \
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_flags) \
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SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
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_mshift, _mwidth, \
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_pshift, _pwidth, \
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_muxshift, _muxwidth, \
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0, _flags)
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static inline struct ccu_mp *hw_to_ccu_mp(struct clk_hw *hw)
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{
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struct ccu_common *common = hw_to_ccu_common(hw);
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return container_of(common, struct ccu_mp, common);
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}
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extern const struct clk_ops ccu_mp_ops;
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/*
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* Special class of M-P clock that supports MMC timing modes
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*
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* Since the MMC clock registers all follow the same layout, we can
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* simplify the macro for this particular case. In addition, as
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* switching modes also affects the output clock rate, we need to
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* have CLK_GET_RATE_NOCACHE for all these types of clocks.
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*/
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#define SUNXI_CCU_MP_MMC_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
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_flags) \
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struct ccu_mp _struct = { \
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.enable = BIT(31), \
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.m = _SUNXI_CCU_DIV(0, 4), \
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.p = _SUNXI_CCU_DIV(16, 2), \
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.mux = _SUNXI_CCU_MUX(24, 2), \
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.common = { \
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.reg = _reg, \
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.features = CCU_FEATURE_MMC_TIMING_SWITCH, \
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.hw.init = CLK_HW_INIT_PARENTS(_name, \
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_parents, \
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&ccu_mp_mmc_ops, \
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CLK_GET_RATE_NOCACHE | \
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_flags), \
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} \
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}
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extern const struct clk_ops ccu_mp_mmc_ops;
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#endif /* _CCU_MP_H_ */
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