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dpll: add reference-sync netlink attribute

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Add new netlink attribute to allow user space configuration of reference
sync pin pairs, where both pins are used to provide one clock signal
consisting of both: base frequency and sync signal.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://patch.msgid.link/20250626135219.1769350-2-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Arkadiusz Kubalewski
2025-06-27 16:38:02 -07:00
committed by Jakub Kicinski
parent 8c72b2a2ed
commit 7f15ee3597
5 changed files with 54 additions and 2 deletions
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include/uapi/linux/dpll.h
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@@ -249,6 +249,7 @@ enum dpll_a_pin {
DPLL_A_PIN_ESYNC_FREQUENCY,
DPLL_A_PIN_ESYNC_FREQUENCY_SUPPORTED,
DPLL_A_PIN_ESYNC_PULSE,
DPLL_A_PIN_REFERENCE_SYNC,
__DPLL_A_PIN_MAX,
DPLL_A_PIN_MAX = (__DPLL_A_PIN_MAX - 1)