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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Phil Edworthy <phil.edworthy@renesas.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>,
	Biju Das <biju.das.jz@bp.renesas.com>
Subject: Re: [PATCH 1/2] dt-bindings: usb: renesas, usb3-peri: Document RZ/V2M r9a09g011 support
Date: Tue, 19 Jul 2022 08:37:35 +0200	[thread overview]
Message-ID: <b26f2353-c5f3-16f4-11c8-63068baeada5@linaro.org> (raw)
In-Reply-To: <TYYPR01MB70868B846CAB2F7124148771F58C9@TYYPR01MB7086.jpnprd01.prod.outlook.com>

On 18/07/2022 17:24, Phil Edworthy wrote:
>>>    phys:
>>>      maxItems: 1
>>> @@ -43,7 +65,15 @@ properties:
>>>      maxItems: 1
>>>
>>>    resets:
>>> -    maxItems: 1
>>> +    minItems: 1
>>> +    items:
>>> +      - description: Peripheral reset
>>> +      - description: DRD reset
>>> +
>>> +  reset-names:
>>> +    items:
>>> +      - const: aresetn_p
>>> +      - const: drd_reset
>>>
>>>    usb-role-switch:
>>>      $ref: /schemas/types.yaml#/definitions/flag
>>> @@ -78,6 +108,27 @@ required:
>>>    - interrupts
>>>    - clocks
>>>
>>> +allOf:
>>> +  - if:
>>> +      properties:
>>> +        compatible:
>>> +          contains:
>>> +            enum:
>>> +              - renesas,rzv2m-usb3-peri
>>> +    then:
>>> +      properties:
>>> +        clocks:
>>> +          minItems: 2
>>> +        interrupts:
>>> +          minItems: 2
>>> +        resets:
>>> +          minItems: 2
>>> +      required:
>>> +        - clock-names
>>> +        - interrupt-names
>>> +        - resets
>>> +        - reset-names
>>
>> else:
>> narrow the number of items
> Sorry, I don't understand why we need minItems: 1 for
> interrupt-names/clock-names, but then I'm easily confused!
> 
> None of the existing users have any interrupt-names/clock-names
> hence they are not in required. The rzv2m is the only device
> that needs them so the driver can get them by name, and hence
> it sets minItems: 2

They are not required but they can appear. Nothing prevents it, based on
your patch.


Best regards,
Krzysztof

  reply	other threads:[~2022-07-19  6:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-18 13:44 [PATCH 0/2] Add usb gadget support for RZ/V2M Phil Edworthy
2022-07-18 13:44 ` [PATCH 1/2] dt-bindings: usb: renesas, usb3-peri: Document RZ/V2M r9a09g011 support Phil Edworthy
2022-07-18 13:55   ` Krzysztof Kozlowski
2022-07-18 15:24     ` Phil Edworthy
2022-07-19  6:37       ` Krzysztof Kozlowski [this message]
2022-07-19  9:01         ` Phil Edworthy
2022-07-19  9:13           ` Krzysztof Kozlowski
2022-07-21 10:58   ` Phil Edworthy
2022-07-21 12:12   ` Geert Uytterhoeven

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