linux-kernel - RE: [PATCH] arch: arm64: dts: add big-endian property back into watchdog node

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Message-ID:
 <CH3PR11MB87731683ED90D09412E4898AF161A@CH3PR11MB8773.namprd11.prod.outlook.com>
Date: Fri, 30 May 2025 01:10:49 +0000
From: "Li, Meng" <Meng.Li@...driver.com>
To: Frank Li <Frank.li@....com>
CC: "Rob Herring (Arm)" <robh@...nel.org>,
        "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>,
        "conor+dt@...nel.org"
	<conor+dt@...nel.org>
Subject: RE: [PATCH] arch: arm64: dts: add big-endian property back into
 watchdog node



> -----Original Message-----
> From: Frank Li <Frank.li@....com>
> Sent: Friday, May 30, 2025 12:05 AM
> To: Li, Meng <Meng.Li@...driver.com>
> Cc: Rob Herring (Arm) <robh@...nel.org>; devicetree@...r.kernel.org;
> shawnguo@...nel.org; linux-kernel@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; conor+dt@...nel.org
> Subject: Re: [PATCH] arch: arm64: dts: add big-endian property back into
> watchdog node
> 
> CAUTION: This email comes from a non Wind River email account!
> Do not click links or open attachments unless you recognize the sender and
> know the content is safe.
> 
> On Thu, May 29, 2025 at 04:07:27AM +0000, Li, Meng wrote:
> > Hi Frank,
> >
> > Do you have any suggestions for this issue?
> > Could you please help check whether we need to fix this issue?
> 
> Fix binding doc
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> index 0da953cb71272..8006efb69ec71 100644
> --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> @@ -36,6 +36,7 @@ properties:
>                - fsl,imx8mq-wdt
>                - fsl,ls1012a-wdt
>                - fsl,ls1043a-wdt
> +              - fsl,ls1046a-wdt
>                - fsl,vf610-wdt
>            - const: fsl,imx21-wdt
> 
> @@ -103,6 +104,7 @@ allOf:
>                enum:
>                  - fsl,ls1012a-wdt
>                  - fsl,ls1043a-wdt
> +                - fsl,ls1046a-wdt
> 
> fix dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> index 0baf256b44003..096ed81a9bc4d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> @@ -687,7 +687,7 @@ lpuart5: serial@...0000 {
>                 };
> 
>                 wdog0: watchdog@...0000 {
> -                       compatible = "fsl,imx21-wdt";
> +                       compatible = "fsl,ls1046a-wdt", "fsl,imx21-wdt";
> 
> 

Thanks, I will verify watchdog feature with above fixing code.

Regards,
LImeng

> Frank
> >
> > Thanks,
> > LImeng
> >
> > > -----Original Message-----
> > > From: Rob Herring (Arm) <robh@...nel.org>
> > > Sent: Wednesday, May 28, 2025 8:37 PM
> > > To: Li, Meng <Meng.Li@...driver.com>
> > > Cc: devicetree@...r.kernel.org; shawnguo@...nel.org; linux-
> > > kernel@...r.kernel.org; Frank.Li@....com; linux-arm-
> > > kernel@...ts.infradead.org; conor+dt@...nel.org; Li, Meng
> > > <Meng.Li@...driver.com>
> > > Subject: Re: [PATCH] arch: arm64: dts: add big-endian property back
> > > into watchdog node
> > >
> > > CAUTION: This email comes from a non Wind River email account!
> > > Do not click links or open attachments unless you recognize the
> > > sender and know the content is safe.
> > >
> > > On Wed, 28 May 2025 19:17:51 +0800, Meng Li wrote:
> > > > When verifying watchdog feature on NXP ls1046ardb board, it
> > > > doesn't work. Because the big-endian is deleted by accident, add it back.
> > > >
> > > > Fixes: 7c8ffc5555cb ("arm64: dts: layerscape: remove big-endian
> > > > for mmc nodes")
> > > > Cc: stable@...r.kernel.org
> > > > Signed-off-by: Meng Li <Meng.Li@...driver.com>
> > > > ---
> > > >  arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 1 +
> > > >  1 file changed, 1 insertion(+)
> > > >
> > >
> > >
> > > My bot found new DTB warnings on the .dts files added or changed in
> > > this series.
> > >
> > > Some warnings may be from an existing SoC .dtsi. Or perhaps the
> > > warnings are fixed by another series. Ultimately, it is up to the
> > > platform maintainer whether these warnings are acceptable or not. No
> > > need to reply unless the platform maintainer has comments.
> > >
> > > If you already ran DT checks and didn't see these error(s), then
> > > make sure dt- schema is up to date:
> > >
> > >   pip3 install dtschema --upgrade
> > >
> > >
> > > This patch series was applied (using b4) to base:
> > >  Base: attempting to guess base-commit...
> > >  Base: failed to guess base
> > >
> > > If this is not the correct base, please add 'base-commit' tag (or
> > > use b4 which does this automatically)
> > >
> > > New warnings running 'make CHECK_DTBS=y for
> > > arch/arm64/boot/dts/freescale/' for 20250528111751.3505224-1-
> > > Meng.Li@...driver.com:
> > >
> > > arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dtb: watchdog@...0000
> > > (fsl,imx21-wdt): big-endian: False schema does not allow True
> > >         from schema $id:
> > > http://devicetree.org/schemas/watchdog/fsl-imx-
> > > wdt.yaml#
> > > arch/arm64/boot/dts/freescale/fsl-ls1046a-frwy.dtb:
> watchdog@...0000
> > > (fsl,imx21-wdt): big-endian: False schema does not allow True
> > >         from schema $id:
> > > http://devicetree.org/schemas/watchdog/fsl-imx-
> > > wdt.yaml#
> > > arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dtb: watchdog@...0000
> > > (fsl,imx21-wdt): big-endian: False schema does not allow True
> > >         from schema $id:
> > > http://devicetree.org/schemas/watchdog/fsl-imx-
> > > wdt.yaml#
> > > arch/arm64/boot/dts/freescale/fsl-ls1046a-tqmls1046a-mbls10xxa.dtb:
> > > watchdog@...0000 (fsl,imx21-wdt): big-endian: False schema does not
> > > allow True
> > >         from schema $id:
> > > http://devicetree.org/schemas/watchdog/fsl-imx-
> > > wdt.yaml#
> > >
> > >
> > >
> > >
> >