[PATCH net-next 1/2] dt-bindings: net: Add Axiado AX3005 IRoT MCTP transport

Krzysztof Kozlowski krzk at kernel.org
Mon Nov 2 03:40:02 PST 2026


On Sun, Nov 01, 2026 at 06:00:57AM -0800, Akhila Kavi wrote:
> The Axiado AX3005 SoC has an integrated root-of-trust (IRoT)
> co-processor next to the application processor. The two exchange MCTP
> packets through a no-map carve-out in DRAM, and use one channel in each
> direction of the AX3005 mailbox controller as doorbells.
> 
> Add a binding for this link. The node has no registers of its own. It
> describes the fixed pairing of a TX and an RX mailbox channel with the
> reserved-memory carve-out that the IRoT places its packet windows in.
> The IRoT firmware chooses the window addresses inside the carve-out and
> reports them at runtime, so they are not described in the devicetree.
> 
> Also add a MAINTAINERS entry covering the binding.
> 
> Signed-off-by: Akhila Kavi <akavi at axiado.com>
> ---
>  .../bindings/net/axiado,ax3005-mctp-irot.yaml      | 60 ++++++++++++++++++++++
>  MAINTAINERS                                        |  8 +++
>  2 files changed, 68 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>

Best regards,
Krzysztof




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