Re: [PATCH 10/10] arm64: dts: mt8195-cherry: Add secure mbox settings for vdosys

[AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>]

Il 19/09/23 05:03, Jason-JH.Lin ha scritto:
> Add a secure mailbox channel to support secure video path on
> vdosys0 and vdosys1.
> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
> ---
>   arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> index 37a3e9de90ff..9b838b2cdb3e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> @@ -1147,6 +1147,16 @@
>   	status = "okay";
>   };
>   
> +&vdosys0 {
> +	mboxes = <&gce0 0 CMDQ_THR_PRIO_4>,
> +		 <&gce0 8 CMDQ_THR_PRIO_4>; /* secure mbox */
> +};
> +
> +&vdosys1 {
> +	mboxes = <&gce0 1 CMDQ_THR_PRIO_4>,
> +		 <&gce0 9 CMDQ_THR_PRIO_4>; /* secure mbox */
> +};
> +

Is the secure mailbox number firmware dependant?
Otherwise this could go in mt8195.dtsi.

Regards,
Angelo

>   &xhci0 {
>   	status = "okay";
>