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clk: mediatek: add MUX_GATE_FLAGS_2 

Add MUX_GATE_FLAGS_2 for the clock which needs to set two falgs.
Such as some mux need to set the flags of "CLK_MUX_ROUND_CLOSEST".

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: wangyan wang <wangyan.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
chunhui dai 2019-02-25 10:09:09 +08:00 committed by Stephen Boyd
parent bfeffd1552
commit b026a7eca1
2 changed files with 15 additions and 7 deletions
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2
drivers/clk/mediatek/clk-mtk.c
View File

@ -167,7 +167,7 @@ struct clk *mtk_clk_register_composite(const struct mtk_composite *mc,
mux->mask = BIT(mc->mux_width) - 1;
mux->shift = mc->mux_shift;
mux->lock = lock;
mux->flags = mc->mux_flags;
mux_hw = &mux->hw;
mux_ops = &clk_mux_ops;

20
drivers/clk/mediatek/clk-mtk.h
View File

@ -81,15 +81,13 @@ struct mtk_composite {
signed char divider_shift;
signed char divider_width;
u8 mux_flags;
signed char num_parents;
};
/*
* In case the rate change propagation to parent clocks is undesirable,
* this macro allows to specify the clock flags manually.
*/
#define MUX_GATE_FLAGS(_id, _name, _parents, _reg, _shift, _width, \
_gate, _flags) { \
#define MUX_GATE_FLAGS_2(_id, _name, _parents, _reg, _shift, \
_width, _gate, _flags, _muxflags) { \
.id = _id, \
.name = _name, \
.mux_reg = _reg, \
@ -101,8 +99,18 @@ struct mtk_composite {
.parent_names = _parents, \
.num_parents = ARRAY_SIZE(_parents), \
.flags = _flags, \
.mux_flags = _muxflags, \
}
/*
* In case the rate change propagation to parent clocks is undesirable,
* this macro allows to specify the clock flags manually.
*/
#define MUX_GATE_FLAGS(_id, _name, _parents, _reg, _shift, _width, \
_gate, _flags) \
MUX_GATE_FLAGS_2(_id, _name, _parents, _reg, \
_shift, _width, _gate, _flags, 0)
/*
* Unless necessary, all MUX_GATE clocks propagate rate changes to their
* parent clock by default.