Re: [PATCH 3/4] dt-bindings: mailbox: tegra186-hsp: allow doorbell+shared or shared-only

[Krzysztof Kozlowski <krzk@kernel.org>]

On Wed, Mar 25, 2026 at 09:26:27PM +0000, Chun Ng wrote:
> On Tegra238, hsp_top0 mailbox has doorbell plus shared0, while hsp_top1
> and aon_hsp mailboxes expose only a single shared interrupt (shared0 and
> shared1 respectively) with no doorbell.
> 
> Update the schema to support Tegra238 by adding an extra oneOf options for:

NAK, there is no Tegra238 in that file nor in youro diff. Just open it
and look around.

> - doorbell with one shared interrupt (shared0..shared15)
> - single shared interrupt only (no doorbell)
> 
> Signed-off-by: Chun Ng <chunn@nvidia.com>
> ---
>  .../devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml   | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
> index f833b845de0d..274480a04c70 100644
> --- a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
> +++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
> @@ -82,6 +82,13 @@ properties:
>        - items:
>            - const: doorbell
>  
> +      - items:
> +          - const: doorbell
> +          - pattern: "^shared([0-9]|1[0-5])$"

Here and...

> +
> +      - items:
> +          - pattern: "^shared([0-9]|1[0-5])$"

here: Commit msg says shared0, here you say up to shared15.

Best regards,
Krzysztof