Re: [PATCH 3/4] dt-bindings: mailbox: tegra186-hsp: allow doorbell+shared or shared-only
From: Krzysztof Kozlowski
Date: Thu Mar 26 2026 - 06:24:24 EST
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@xxxxxxxxxx>
> ---
> .../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