[PATCH RFT 1/2] clk: sunxi-ng: add feature-aware M divider helper
From: Enzo Adriano
Date: Wed Aug 12 2026 - 16:18:16 EST
Allow single M-divider clocks to retain common CCU features such as the
hardware update bit without using the two-divider MP class.
Assisted-by: Codex:gpt-5
Signed-off-by: Enzo Adriano <enzo.adriano.code@xxxxxxxxx>
---
not tested on A523/T527 hardware; testing on actual hardware is needed.
drivers/clk/sunxi-ng/ccu_div.h | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h
index be00b3277e976f..fd222ef0b8af90 100644
--- a/drivers/clk/sunxi-ng/ccu_div.h
+++ b/drivers/clk/sunxi-ng/ccu_div.h
@@ -212,10 +212,10 @@ struct ccu_div {
SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \
_mshift, _mwidth, 0, _flags)
-#define SUNXI_CCU_M_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
- _mshift, _mwidth, \
- _muxshift, _muxwidth, \
- _gate, _flags) \
+#define SUNXI_CCU_M_DATA_WITH_MUX_GATE_FEAT(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags, _features) \
struct ccu_div _struct = { \
.enable = _gate, \
.div = _SUNXI_CCU_DIV(_mshift, _mwidth), \
@@ -226,9 +226,19 @@ struct ccu_div {
_parents, \
&ccu_div_ops, \
_flags), \
+ .features = _features, \
}, \
}
+#define SUNXI_CCU_M_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags) \
+ SUNXI_CCU_M_DATA_WITH_MUX_GATE_FEAT(_struct, _name, _parents, \
+ _reg, _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags, 0)
+
#define SUNXI_CCU_M_DATA_WITH_MUX(_struct, _name, _parents, _reg, \
_mshift, _mwidth, \
_muxshift, _muxwidth, \
--
2.53.0