linux-kernel - RE: [EXT] Re: [PATCH v9 05/11] dt-bindings: usb: ci-hdrc-usb2-imx: add restrictions for reg, interrupts, clock and clock-names properties

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Date: Mon, 18 Mar 2024 03:41:29 +0000
From: Xu Yang <xu.yang_2@....com>
To: Rob Herring <robh@...nel.org>
CC: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com"
	<festevam@...il.com>, dl-linux-imx <linux-imx@....com>,
	"peter.chen@...nel.org" <peter.chen@...nel.org>, Jun Li <jun.li@....com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "imx@...ts.linux.dev"
	<imx@...ts.linux.dev>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH v9 05/11] dt-bindings: usb: ci-hdrc-usb2-imx:
 add restrictions for reg, interrupts, clock and clock-names properties



> 
> On Fri, Mar 15, 2024 at 03:24:49PM +0800, Xu Yang wrote:
> > Add restrictions for reg, interrupts, clock and clock-names properties
> > for imx Socs.
> >
> > Signed-off-by: Xu Yang <xu.yang_2@....com>
> >
> > ---
> 
> [...]
> 
> > +  # imx7d Soc need one clock
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          items:
> > +            - const: fsl,imx7d-usb
> > +            - const: fsl,imx27-usb
> > +    then:
> > +      properties:
> > +        clocks:
> > +          maxItems: 1
> > +        clock-names: false
> > +
> > +  # other Soc need one clock
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - fsl,imx23-usb
> > +              - fsl,imx28-usb
> > +              - fsl,imx50-usb
> > +              - fsl,imx51-usb
> > +              - fsl,imx53-usb
> > +              - fsl,imx6q-usb
> > +              - fsl,imx6sl-usb
> > +              - fsl,imx6sx-usb
> > +              - fsl,imx6ul-usb
> > +              - fsl,imx8mm-usb
> > +              - fsl,imx8mn-usb
> > +              - fsl,vf610-usb
> 
> Can't you add 'fsl,imx7d-usb' here and drop the previous if/then?
> 
> With that,

If I do this I need to remove 'fsl,imx7d-usb' again in patch 06/11.
(KK said I'd not better do that)
Because imx93 is compatible with imx7d in non-wakeup case, but
imx93 need one wakeup clock to support wakeup feature. Here 'contains'
'fsl,imx7d-usb' will include both imx7d and imx7d compliant socs.

Thanks,
Xu Yang

> 
> Reviewed-by: Rob Herring <robh@...nel.org>
> 
> > +    then:
> > +      properties:
> > +        clocks:
> > +          maxItems: 1
> > +        clock-names: false
> > +
> >  unevaluatedProperties: false
> >
> >  examples:
> > --
> > 2.34.1
> >