linux-kernel - RE: [PATCH v7 1/5] ARM: dts: aspeed: Drop reg-io-width from LPC nodes

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Date:   Thu, 21 Oct 2021 06:59:31 +0000
From:   ChiaWei Wang <chiawei_wang@...eedtech.com>
To:     Joel Stanley <joel@....id.au>
CC:     Andrew Jeffery <andrew@...id.au>, Rob Herring <robh+dt@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Oskar Senft <osk@...gle.com>
Subject: RE: [PATCH v7 1/5] ARM: dts: aspeed: Drop reg-io-width from LPC nodes

> From: Joel Stanley <joel@....id.au>
> Sent: Thursday, October 21, 2021 2:54 PM
> 
> On Thu, 21 Oct 2021 at 06:48, Joel Stanley <joel@....id.au> wrote:
> >
> > On Thu, 21 Oct 2021 at 06:37, ChiaWei Wang
> <chiawei_wang@...eedtech.com> wrote:
> > > However, like Rob mentioned, when doing 'make dtbs_check', there is a
> warning:
> > >
> > >
> /builds/robherring/linux-dt-review/arch/arm/boot/dts/aspeed-ast2500-evb.dt.y
> aml:
> > > lpc@...89000: 'ibt@...', 'kcs@...', 'kcs@24', 'kcs@28', 'kcs@2c',
> 'lhc@a0', 'reg-io-width' do not match any of the regexes:
> > > '^lpc-ctrl@[0-9a-f]+$', '^lpc-snoop@[0-9a-f]+$',
> '^reset-controller@[0-9a-f]+$', 'pinctrl-[0-9]+'
> > > From schema:
> > > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings
> > > /mfd/aspeed-lpc.yaml
> > >
> > > As part of this series has been applied, maybe we can fix this later?
> 
> FWIW, this fixes the warnings for me;
> 
> --- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml
> +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml
> @@ -56,6 +56,9 @@ properties:
> 
>    ranges: true
> 
> +  reg-io-width:
> +    const: 4
> +
>  patternProperties:
>    "^lpc-ctrl@[0-9a-f]+$":
>      type: object
> @@ -144,6 +147,9 @@ patternProperties:
>          $ref: /schemas/types.yaml#/definitions/uint32-array
>          description: The LPC I/O ports to snoop
> 
> +      clocks:
> +        maxItems: 1
> +
>      required:
>        - compatible
>        - interrupts
> 
> make ARCH=arm CROSS_COMPILE="arm-linux-gnueabi-" dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml
> 
> If you are able to test this and send a patch that would be appreciated.

Sure. I will test it and send a standalone patch to fix the warning.
Thanks!

Regards,
Chiawei