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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/sunxi-ng/ccu_nkm.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_nkm.h')
-rw-r--r-- | drivers/clk/sunxi-ng/ccu_nkm.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h new file mode 100644 index 000000000..6601defb3 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu_nkm.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016 Maxime Ripard. All rights reserved. + */ + +#ifndef _CCU_NKM_H_ +#define _CCU_NKM_H_ + +#include <linux/clk-provider.h> + +#include "ccu_common.h" +#include "ccu_div.h" +#include "ccu_mult.h" + +/* + * struct ccu_nkm - Definition of an N-K-M clock + * + * Clocks based on the formula parent * N * K / M + */ +struct ccu_nkm { + u32 enable; + u32 lock; + + struct ccu_mult_internal n; + struct ccu_mult_internal k; + struct ccu_div_internal m; + struct ccu_mux_internal mux; + + unsigned int fixed_post_div; + + struct ccu_common common; +}; + +#define SUNXI_CCU_NKM_WITH_MUX_GATE_LOCK(_struct, _name, _parents, _reg, \ + _nshift, _nwidth, \ + _kshift, _kwidth, \ + _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _lock, _flags) \ + struct ccu_nkm _struct = { \ + .enable = _gate, \ + .lock = _lock, \ + .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ + .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ + .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ + .mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \ + .common = { \ + .reg = _reg, \ + .hw.init = CLK_HW_INIT_PARENTS(_name, \ + _parents, \ + &ccu_nkm_ops, \ + _flags), \ + }, \ + } + +#define SUNXI_CCU_NKM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ + _nshift, _nwidth, \ + _kshift, _kwidth, \ + _mshift, _mwidth, \ + _gate, _lock, _flags) \ + struct ccu_nkm _struct = { \ + .enable = _gate, \ + .lock = _lock, \ + .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ + .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ + .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ + .common = { \ + .reg = _reg, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &ccu_nkm_ops, \ + _flags), \ + }, \ + } + +static inline struct ccu_nkm *hw_to_ccu_nkm(struct clk_hw *hw) +{ + struct ccu_common *common = hw_to_ccu_common(hw); + + return container_of(common, struct ccu_nkm, common); +} + +extern const struct clk_ops ccu_nkm_ops; + +#endif /* _CCU_NKM_H_ */ |