linux-kernel - Re: [PATCH v2 7/8] dt-bindings: phy: uniphier-ahci: Add bindings for Pro4 SoC

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Message-ID: <9db1cd5a-c4f0-a1d2-2681-e8c58ee540ee@socionext.com>
Date:   Fri, 29 Oct 2021 19:33:21 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 7/8] dt-bindings: phy: uniphier-ahci: Add bindings for
 Pro4 SoC

Hi Rob,

On 2021/10/29 6:12, Rob Herring wrote:
> On Wed, Oct 20, 2021 at 08:58:07AM +0900, Kunihiko Hayashi wrote:
>> Update AHCI-PHY binding document for UniPhier Pro4 SoC. Add a compatible
>> string, clock and reset lines for the SoC to the document.
>>
>> Pro4 AHCI-PHY needs to control additional GIO clock line and reset lines
>> ("pm", "tx", and "rx").
>>
>> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
>> ---
>>   .../bindings/phy/socionext,uniphier-ahci-phy.yaml    | 20
> ++++++++++++++++----
>>   1 file changed, 16 insertions(+), 4 deletions(-)
>>
>> diff --git
> a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
> b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
>> index 745c525ce6b9..67415f7ebe8c 100644
>> --- a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.
> yaml
>> +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.
> yaml
>> @@ -16,6 +16,7 @@ maintainers:
>>   properties:
>>     compatible:
>>       enum:
>> +      - socionext,uniphier-pro4-ahci-phy
>>         - socionext,uniphier-pxs2-ahci-phy
>>         - socionext,uniphier-pxs3-ahci-phy
>>   
>> @@ -30,6 +31,9 @@ properties:
>>   
>>     clock-names:
>>       oneOf:
>> +      - items:          # for Pro4
>> +          - const: gio
>> +          - const: link
> 
> Add new entries on the end...
> 
>>         - items:          # for PXs2
>>             - const: link
> 
> So add 'gio' here.
> 
> And add 'minItems: 1' in this entry.
> 
> There's also an error in 'clocks' as it needs 'minItems: 1'

I see.
I'll add "minItems: 1", and fix the item order.

> 
>>         - items:          # for others
>> @@ -37,12 +41,20 @@ properties:
>>             - const: phy
>>   
>>     resets:
>> -    maxItems: 2
>> +    minItems: 2
>> +    maxItems: 5
>>   
>>     reset-names:
>> -    items:
>> -      - const: link
>> -      - const: phy
>> +    oneOf:
>> +      - items:          # for Pro4
>> +          - const: gio
>> +          - const: link
>> +          - const: pm
>> +          - const: tx
>> +          - const: rx
>> +      - items:          # for others
>> +          - const: link
>> +          - const: phy
>>   
>>   required:
>>     - compatible
>> -- 
>> 2.7.4

Thank you,

---
Best Regards
Kunihiko Hayashi