Re: [PATCH v2] dt-bindings: interrupt-controller: Add missing Xilinx INTC binding
From: Krzysztof Kozlowski
Date: Fri Jul 25 2025 - 03:50:19 EST
On Thu, Jul 24, 2025 at 12:57:57PM +0200, Michal Simek wrote:
> Add missing description for AMD/Xilinx interrupt controller. The binding is
> used by Microblaze before dt-binding even existed but never been
> documented properly.
>
> IP acts as primary interrupt controller on Microblaze systems or can be
> used as secondary interrupt controller on ARM based systems like Zynq,
> ZynqMP, Versal or Versal Gen 2. Also as secondary interrupt controller on
> Microblaze-V (Risc-V) systems.
>
> Over the years IP exists in multiple variants based on attached bus as OPB,
> PLB or AXI that's why generic filename is used.
>
> Property xlnx,kind-of-intr is in hex because every bit position corresponds
> to interrupt line. Controller support mixing edge or level interrupts
> together and this is the property which distinguish them.
>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
> ---
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof