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a1a702090d
Add ref-sync-sources phandle-array property to the dpll-pin schema allowing board designers to declare which input pins can serve as sync sources in a Reference-Sync pair. A Ref-Sync pair consists of a clock reference and a low-frequency sync signal where the DPLL locks to the clock but phase-aligns to the sync reference. Update both examples in the Microchip ZL3073x binding to demonstrate the new property with a 1 PPS sync source paired to a clock source. Reviewed-by: Petr Oros <poros@redhat.com> Reviewed-by: Prathosh Satish <Prathosh.Satish@microchip.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Link: https://patch.msgid.link/20260408102716.443099-5-ivecera@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>