linux-kernel - Re: [PATCH 1/1] arm64: dts: fsl-ls1028a: fix USB node compatible

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Message-ID: <aP+2zBxuVoRTPR9R@lizhi-Precision-Tower-5810>
Date: Mon, 27 Oct 2025 14:15:40 -0400
From: Frank Li <Frank.li@....com>
To: Shawn Guo <shawnguo2@...h.net>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] arm64: dts: fsl-ls1028a: fix USB node compatible

On Mon, Oct 27, 2025 at 02:58:40PM +0800, Shawn Guo wrote:
> On Mon, Oct 20, 2025 at 04:11:20PM -0400, Frank Li wrote:
> > On Mon, Oct 20, 2025 at 03:37:53PM +0200, Alexander Stein wrote:
> > > usb/fsl,ls1028a.yaml says the compatible is just a simple
> > > 'fsl,ls1028a-dwc3'
> > >
> > > Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> >
> > Thanks, but it is similar with last patches of
> >
> > https://lore.kernel.org/imx/20250929-ls_dma_coherence-v5-4-2ebee578eb7e@nxp.com/
> >
> > Waiting for shanw pick dts part.
>
> I'm waiting for the usb binding change in the series to be applied first.

It is already in linux-next

commit b9f1c762a4de17d93017fbd12b9941caff6d3078
Author: Frank Li <Frank.Li@....com>
Date:   Mon Sep 29 10:24:14 2025 -0400

    dt-bindings: usb: add missed compatible string for arm64 layerscape

    Add missed compatible string for arm64 layerscape platform. Allow these
    fallback to fsl,ls1028a-dwc3.

    Remove fallback snps,dwc3 because layerscape dwc3 is not full compatible
    with common snps,dwc3 device, a special value gsburstcfg0 need be set when
    dma coherence enabled.

    Allow iommus property.

    Change ref to snps,dwc3-common.yaml to use dwc3 flatten library.

    Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
    Signed-off-by: Frank Li <Frank.Li@....com>
    Link: https://lore.kernel.org/r/20250929-ls_dma_coherence-v5-1-2ebee578eb7e@nxp.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Frank

>
> Shawn
>