linux-kernel - Re: [PATCH v10 03/15] dt-bindings: spi: cdns: Add compatible for AMD Pensando Elba SoC

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Date:   Mon, 6 Mar 2023 18:13:30 -0800
From:   Brad Larson <blarson@....com>
To:     <krzysztof.kozlowski@...aro.org>
CC:     <adrian.hunter@...el.com>, <alcooperx@...il.com>,
        <andy.shevchenko@...il.com>, <arnd@...db.de>, <blarson@....com>,
        <brendan.higgins@...ux.dev>, <briannorris@...omium.org>,
        <brijeshkumar.singh@....com>, <broonie@...nel.org>,
        <catalin.marinas@....com>, <davidgow@...gle.com>,
        <devicetree@...r.kernel.org>, <fancer.lancer@...il.com>,
        <gerg@...ux-m68k.org>, <gsomlo@...il.com>, <krzk@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <lee.jones@...aro.org>,
        <lee@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <p.yadav@...com>,
        <p.zabel@...gutronix.de>, <piotrs@...ence.com>,
        <rdunlap@...radead.org>, <robh+dt@...nel.org>,
        <samuel@...lland.org>, <skhan@...uxfoundation.org>,
        <suravee.suthikulpanit@....com>, <thomas.lendacky@....com>,
        <tonyhuang.sunplus@...il.com>, <ulf.hansson@...aro.org>,
        <vaishnav.a@...com>, <will@...nel.org>,
        <yamada.masahiro@...ionext.com>
Subject: Re: [PATCH v10 03/15] dt-bindings: spi: cdns: Add compatible for AMD Pensando Elba SoC

On 06/03/2023 8:29, Krzysztof Kozlowski wrote:
> On 06/03/2023 05:07, Brad Larson wrote:
>> Document the cadence qspi controller compatible for AMD Pensando
>> Elba SoC boards.  The Elba qspi fifo size is 1024.
>> 
>> Signed-off-by: Brad Larson <blarson@....com>
>> ---
>> 
>> v10 changes:
>> - Fix cdns,fifo-depth, only amd,pensando-elba-qspi is 1024 bytes
>> 
>> v9 changes:
>> - Add 1024 to cdns,fifo-depth property to resolve dtbs_check error
>> 
>> ---
>>  .../bindings/spi/cdns,qspi-nor.yaml           | 30 +++++++++++++++++--
>>  1 file changed, 28 insertions(+), 2 deletions(-)
>> 
>> diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
>> index 5c01db128be0..18e4bc04f091 100644
>> --- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
>> +++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
>> @@ -20,11 +20,39 @@ allOf:
>>        required:
>>          - power-domains
>>  
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          enum:
>> +            - amd,pensando-elba-qspi
>> +    then:
>> +      properties:
>> +        cdns,fifo-depth:
>> +          enum: [ 128, 256, 1024 ]
>> +          default: 1024
>> +
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: amd,pensando-elba-qspi
>
> This does not make any sense. You have two ifs for the same.

That's an oops, only this is needed

+  - if:
+      properties:
+        compatible:
+          contains:
+            const: amd,pensando-elba-qspi
+    then:
+      properties:
+        cdns,fifo-depth:
+          enum: [ 128, 256, 1024 ]
+          default: 1024
+    else:
+      properties:
+        cdns,fifo-depth:
+          enum: [ 128, 256 ]
+          default: 128

Regards,
Brad