Re: [PATCH 1/7] dt-bindings: interrupt-controller: realtek,rtl-intc: Allow 2 interrupt cells

From: Rob Herring (Arm)

Date: Wed Jun 10 2026 - 16:02:48 EST



On Fri, 05 Jun 2026 23:16:40 +0200, Markus Stockhausen wrote:
> The Realtek Otto SoC interrupt controller supports hardware interrupt
> routing to multiple parent CPU interrupt lines. To utilize this
> multi-domain support, peripheral devices need a way to explicitly
> specify their desired parent interrupt line in the device tree.
>
> Update the "#interrupt-cells" property to accept either 1 or 2 cells.
> - 1 cell: Specifies the hardware interrupt index, implicitly routing it
> to the first available parent (maintaining backward compatibility).
> - 2 cells: The first cell specifies the hardware interrupt index and
> the second cell specifies the targeted parent interrupt index.
>
> Signed-off-by: Markus Stockhausen <markus.stockhausen@xxxxxx>
> ---
> .../bindings/interrupt-controller/realtek,rtl-intc.yaml | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>