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clk: sunxi-ng: gate: Add macros for gates with fixed dividers

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It is possible to declare a gate with a fixed divider, by using the
CCU_FEATURE_ALL_PREDIV flag. Since this is not obvious, add a macro
for declaring this type of clock.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20211119043545.4010-6-samuel@sholland.org
This commit is contained in:
Samuel Holland 2021-11-18 22:35:43 -06:00 • committed by Maxime Ripard
parent 8107c859a3
commit b30fc68e6c
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GPG key ID: E3EF0D6F671851C5
1 changed files with 31 additions and 1 deletions
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32
drivers/clk/sunxi-ng/ccu_gate.h
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@ -53,7 +53,7 @@ struct ccu_gate {
} }
/* /*
* The following two macros allow the re-use of the data structure * The following macros allow the re-use of the data structure
* holding the parent info. * holding the parent info.
*/ */
#define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \ #define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \
@ -68,6 +68,21 @@ struct ccu_gate {
} \ } \
} }
#define SUNXI_CCU_GATE_HWS_WITH_PREDIV(_struct, _name, _parent, _reg, \
_gate, _prediv, _flags) \
struct ccu_gate _struct = { \
.enable = _gate, \
.common = { \
.reg = _reg, \
.prediv = _prediv, \
.features = CCU_FEATURE_ALL_PREDIV, \
.hw.init = CLK_HW_INIT_HWS(_name, \
_parent, \
&ccu_gate_ops, \
_flags), \
} \
}
#define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags) \ #define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags) \
struct ccu_gate _struct = { \ struct ccu_gate _struct = { \
.enable = _gate, \ .enable = _gate, \
@ -81,6 +96,21 @@ struct ccu_gate {
} \ } \
} }
#define SUNXI_CCU_GATE_DATA_WITH_PREDIV(_struct, _name, _parent, _reg, \
_gate, _prediv, _flags) \
struct ccu_gate _struct = { \
.enable = _gate, \
.common = { \
.reg = _reg, \
.prediv = _prediv, \
.features = CCU_FEATURE_ALL_PREDIV, \
.hw.init = CLK_HW_INIT_PARENTS_DATA(_name, \
_parent, \
&ccu_gate_ops, \
_flags), \
} \
}
static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw) static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
{ {
struct ccu_common *common = hw_to_ccu_common(hw); struct ccu_common *common = hw_to_ccu_common(hw);