diff options
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_mult.h')
-rw-r--r-- | drivers/clk/sunxi-ng/ccu_mult.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_mult.h b/drivers/clk/sunxi-ng/ccu_mult.h new file mode 100644 index 000000000..6b30b0c10 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu_mult.h @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _CCU_MULT_H_ +#define _CCU_MULT_H_ + +#include "ccu_common.h" +#include "ccu_frac.h" +#include "ccu_mux.h" + +struct ccu_mult_internal { + u8 offset; + u8 shift; + u8 width; + u8 min; + u8 max; +}; + +#define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \ + { \ + .min = _min, \ + .max = _max, \ + .offset = _offset, \ + .shift = _shift, \ + .width = _width, \ + } + +#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \ + _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0) + +#define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \ + _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0) + +#define _SUNXI_CCU_MULT(_shift, _width) \ + _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0) + +struct ccu_mult { + u32 enable; + u32 lock; + + struct ccu_frac_internal frac; + struct ccu_mult_internal mult; + struct ccu_mux_internal mux; + struct ccu_common common; +}; + +#define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ + _mshift, _mwidth, _gate, _lock, \ + _flags) \ + struct ccu_mult _struct = { \ + .enable = _gate, \ + .lock = _lock, \ + .mult = _SUNXI_CCU_MULT(_mshift, _mwidth), \ + .common = { \ + .reg = _reg, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &ccu_mult_ops, \ + _flags), \ + }, \ + } + +static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw) +{ + struct ccu_common *common = hw_to_ccu_common(hw); + + return container_of(common, struct ccu_mult, common); +} + +extern const struct clk_ops ccu_mult_ops; + +#endif /* _CCU_MULT_H_ */ |