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clk: sunxi-ng: div: support power-of-two dividers 

Some clocks (for timers) on the A523 are mux-divider-gate types
with the divider being values of power-of-two.

Add a macro for these types of clocks so that we can use the divider
types instead of the M-P types without an M divider.

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250911174710.3149589-5-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Chen-Yu Tsai 2025-09-12 01:47:07 +08:00
parent 828dea3896
commit 44293edd01
1 changed files with 18 additions and 0 deletions
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18
drivers/clk/sunxi-ng/ccu_div.h
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@ -274,6 +274,24 @@ struct ccu_div {
SUNXI_CCU_M_HWS_WITH_GATE(_struct, _name, _parent, _reg, \
_mshift, _mwidth, 0, _flags)
#define SUNXI_CCU_P_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
_mshift, _mwidth, \
_muxshift, _muxwidth, \
_gate, _flags) \
struct ccu_div _struct = { \
.enable = _gate, \
.div = _SUNXI_CCU_DIV_FLAGS(_mshift, _mwidth, \
CLK_DIVIDER_POWER_OF_TWO), \
.mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \
.common = { \
.reg = _reg, \
.hw.init = CLK_HW_INIT_PARENTS_DATA(_name, \
_parents, \
&ccu_div_ops, \
_flags), \
}, \
}
static inline struct ccu_div *hw_to_ccu_div(struct clk_hw *hw)
{
struct ccu_common *common = hw_to_ccu_common(hw);