linux-kernel - Re: [PATCH v8 1/2] dt-bindings: mailbox: mediatek,mt8196-vcp-mbox: add mtk vcp-mbox document

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Message-ID: <9a7d9264fe4914ce58031e08710dfd2453678653.camel@mediatek.com>
Date: Sat, 11 Oct 2025 06:51:24 +0000
From: Jjian Zhou (周建) <Jjian.Zhou@...iatek.com>
To: "jassisinghbrar@...il.com" <jassisinghbrar@...il.com>, "robh@...nel.org"
	<robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	"wenst@...omium.org" <wenst@...omium.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>
CC: "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-mediatek@...ts.infradead.org"
	<linux-mediatek@...ts.infradead.org>, "krzysztof.kozlowski@...aro.org"
	<krzysztof.kozlowski@...aro.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v8 1/2] dt-bindings: mailbox: mediatek,mt8196-vcp-mbox:
 add mtk vcp-mbox document

On Fri, 2025-10-10 at 17:15 +0800, Jjian Zhou wrote:
> The MTK VCP mailbox enables the SoC to communicate with the VCP by
> passing
> messages through 64 32-bit wide registers. It has 32 interrupt
> vectors in
> either direction for signalling purposes.
> 
> This adds a binding for Mediatek VCP mailbox.
> 
> Signed-off-by: Jjian Zhou <jjian.zhou@...iatek.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
I forgot to add "AngeloGioacchino Del Regno <
angelogioacchino.delregno@...labora.com>".
Do I need to resubmit it?

> ---
>  .../mailbox/mediatek,mt8196-vcp-mbox.yaml     | 49
> +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644
> Documentation/devicetree/bindings/mailbox/mediatek,mt8196-vcp-
> mbox.yaml
> 
> diff --git
> a/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-vcp-
> mbox.yaml
> b/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-vcp-
> mbox.yaml
> new file mode 100644
> index 000000000000..7b1c5165e64e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-vcp-
> mbox.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: 
> http://devicetree.org/schemas/mailbox/mediatek,mt8196-vcp-mbox.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Video Companion Processor (VCP) mailbox
> +
> +maintainers:
> +  - Jjian Zhou <Jjian.Zhou@...iatek.com>
> +
> +description:
> +  The MTK VCP mailbox enables the SoC to communicate with the VCP by
> passing
> +  messages through 64 32-bit wide registers. It has 32 interrupt
> vectors in
> +  either direction for signalling purposes.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt8196-vcp-mbox
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  "#mbox-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - "#mbox-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    mailbox@...80000 {
> +        compatible = "mediatek,mt8196-vcp-mbox";
> +        reg = <0x31b80000 0x1000>;
> +        interrupts = <GIC_SPI 789 IRQ_TYPE_LEVEL_HIGH 0>;
> +        #mbox-cells = <0>;
> +    };