linux/drivers/clk/sunxi-ng/ccu_mult.h
Maxime Ripard 2beaa601c8 clk: sunxi-ng: Implement minimum for multipliers
Allow the CCU drivers to specify a multiplier for their clocks.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-10-25 12:40:25 +02:00

56 lines
1.1 KiB
C

#ifndef _CCU_MULT_H_
#define _CCU_MULT_H_
#include "ccu_common.h"
#include "ccu_mux.h"
struct ccu_mult_internal {
u8 shift;
u8 width;
u8 min;
};
#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \
{ \
.shift = _shift, \
.width = _width, \
.min = _min, \
}
#define _SUNXI_CCU_MULT(_shift, _width) \
_SUNXI_CCU_MULT_MIN(_shift, _width, 1)
struct ccu_mult {
u32 enable;
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, \
.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_ */