linux-kernel - Re: [PATCH v6 07/11] dt-bindings: usb: Support MediaTek MT8189 evb board xhci

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Message-ID: <20251030-underwent-courier-1f4322e1cb34@spud>
Date: Thu, 30 Oct 2025 19:32:26 +0000
From: Conor Dooley <conor@...nel.org>
To: Jack Hsu <jh.hsu@...iatek.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	jic23@...nel.org, dlechner@...libre.com, nuno.sa@...log.com,
	andy@...nel.org, matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com, srini@...nel.org,
	ukleinek@...nel.org, gregkh@...uxfoundation.org,
	jirislaby@...nel.org, daniel.lezcano@...aro.org, tglx@...utronix.de,
	chunfeng.yun@...iatek.com, wim@...ux-watchdog.org,
	linux@...ck-us.net, sean.wang@...iatek.com,
	zhiyong.tao@...iatek.com, andrew-ct.chen@...iatek.com,
	lala.lin@...iatek.com, jitao.shi@...iatek.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-pwm@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-watchdog@...r.kernel.org,
	Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v6 07/11] dt-bindings: usb: Support MediaTek MT8189 evb
 board xhci

On Thu, Oct 30, 2025 at 09:44:39PM +0800, Jack Hsu wrote:
> modify dt-binding for support mt8189 evb board dts node of xhci
> 
> Signed-off-by: Jack Hsu <jh.hsu@...iatek.com>
> ---
>  .../devicetree/bindings/usb/mediatek,mtk-xhci.yaml         | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
> index 004d3ebec091..05cb6a219e5c 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
> @@ -34,6 +34,7 @@ properties:
>            - mediatek,mt8183-xhci
>            - mediatek,mt8186-xhci
>            - mediatek,mt8188-xhci
> +          - mediatek,mt8189-xhci
>            - mediatek,mt8192-xhci
>            - mediatek,mt8195-xhci
>            - mediatek,mt8365-xhci
> @@ -119,6 +120,9 @@ properties:
>    resets:
>      maxItems: 1
>  
> +  reset-names:
> +    maxItems: 1

Is this reset required on mt8189? Does it appear on other mediatek xhci
controllers?

> +
>    usb3-lpm-capable: true
>  
>    usb2-lpm-disable: true
> @@ -168,7 +172,8 @@ properties:
>              104 - used by mt8195, IP1, specific 1.04;
>              105 - used by mt8195, IP2, specific 1.05;
>              106 - used by mt8195, IP3, specific 1.06;
> -          enum: [1, 2, 101, 102, 103, 104, 105, 106]
> +            110 - used by mt8189, IP4, specific 1.10;
> +          enum: [1, 2, 101, 102, 103, 104, 105, 106, 110]
>  
>    mediatek,u3p-dis-msk:
>      $ref: /schemas/types.yaml#/definitions/uint32
> -- 
> 2.45.2
> 

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