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The UHCI controller on Aspeed SoCs (including AST2700) requires its reset line to be deasserted before the controller can be used. Add an optional "resets" property to the UHCI device tree bindings to describe the phandle to the reset controller. This property is optional for platforms which do not require explicit reset handling. Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20250922052045.2421480-2-ryan_chen@aspeedtech.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>