linux-kernel - Re: [EXTERNAL] Re: [PATCH] dt-bindings: usb: Add new compatible string for AM64 SoC

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Date:   Thu, 10 Dec 2020 10:57:18 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     Rob Herring <robh@...nel.org>
CC:     Sekhar Nori <nsekhar@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Roger Quadros <rogerq@...com>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [EXTERNAL] Re: [PATCH] dt-bindings: usb: Add new compatible
 string for AM64 SoC

Hi Robert,

On 10/12/20 1:04 am, Rob Herring wrote:
> On Wed, Dec 09, 2020 at 10:27:32PM +0530, Aswath Govindraju wrote:
>> Add compatible string in j721e-usb binding file as similar USB subsystem
>> is present in AM64.
>>
>> Signed-off-by: Aswath Govindraju <a-govindraju@...com>
>> Acked-by: Roger Quadros <rogerq@...com>
>> ---
>>  Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml | 7 +++++--
>>  1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml b/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
>> index 388245b91a55..05d976bb06d0 100644
>> --- a/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
>> +++ b/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
>> @@ -11,8 +11,11 @@ maintainers:
>>  
>>  properties:
>>    compatible:
>> -    items:
>> -      - const: ti,j721e-usb
>> +    anyOf:
>> +      - items:
>> +	  - const: ti,j721e-usb
>> +      - items:
>> +	  - const: ti,am64-usb
> 
> Use 'enum'.
> 
Thank you for the comments.

I used anyOf to mention that the compatible strings can be either used
separately or together in the DT files after referring [1].

Using enum brought in constraints such as if one compatible string is
used the other cannot be used.

The error that I made was use of '\t' at the start of the lines. I will
correct it and send a respin.


[1]https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/example-schema.yaml

Thanks,
Aswath

>>  
>>    reg:
>>      description: module registers
>> -- 
>> 2.17.1
>>