diff options
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_nkmp.h')
-rw-r--r-- | drivers/clk/sunxi-ng/ccu_nkmp.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.h b/drivers/clk/sunxi-ng/ccu_nkmp.h new file mode 100644 index 000000000..6940503e7 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu_nkmp.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2016 Maxime Ripard. All rights reserved. + * + * 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. + */ + +#ifndef _CCU_NKMP_H_ +#define _CCU_NKMP_H_ + +#include <linux/clk-provider.h> + +#include "ccu_common.h" +#include "ccu_div.h" +#include "ccu_mult.h" + +/* + * struct ccu_nkmp - Definition of an N-K-M-P clock + * + * Clocks based on the formula parent * N * K >> P / M + */ +struct ccu_nkmp { + u32 enable; + u32 lock; + + struct ccu_mult_internal n; + struct ccu_mult_internal k; + struct ccu_div_internal m; + struct ccu_div_internal p; + + unsigned int fixed_post_div; + + struct ccu_common common; +}; + +#define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ + _nshift, _nwidth, \ + _kshift, _kwidth, \ + _mshift, _mwidth, \ + _pshift, _pwidth, \ + _gate, _lock, _flags) \ + struct ccu_nkmp _struct = { \ + .enable = _gate, \ + .lock = _lock, \ + .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ + .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ + .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ + .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \ + .common = { \ + .reg = _reg, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &ccu_nkmp_ops, \ + _flags), \ + }, \ + } + +static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw) +{ + struct ccu_common *common = hw_to_ccu_common(hw); + + return container_of(common, struct ccu_nkmp, common); +} + +extern const struct clk_ops ccu_nkmp_ops; + +#endif /* _CCU_NKMP_H_ */ |