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

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Message-ID: <20251031-overbid-renounce-e6f3b03ee18f@spud>
Date: Fri, 31 Oct 2025 10:38:24 +0000
From: Conor Dooley <conor@...nel.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Jack Hsu <jh.hsu@...iatek.com>, 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 Fri, Oct 31, 2025 at 09:19:26AM +0100, Krzysztof Kozlowski wrote:
> On Thu, Oct 30, 2025 at 07:32:26PM +0000, Conor Dooley wrote:
> > 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?
> 
> reset was there, it is the name added for some unknown reason.

Ah, so not helpful at all since no name is defined and therefore making
the property unusable :)

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