linux-kernel - Re: [Patch v4 2/4] dt-bindings: memory: Update reg maxitems for tegra186

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Message-ID: <b7f68054-707c-8b76-23ab-027a8aab41f0@canonical.com>
Date:   Wed, 2 Mar 2022 20:31:20 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Rob Herring <robh@...nel.org>, Ashish Mhetre <amhetre@...dia.com>
Cc:     thierry.reding@...il.com, jonathanh@...dia.com, digetx@...il.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, vdumpa@...dia.com, Snikam@...dia.com
Subject: Re: [Patch v4 2/4] dt-bindings: memory: Update reg maxitems for
 tegra186

On 02/03/2022 18:51, Rob Herring wrote:
> On Wed, Mar 02, 2022 at 02:13:27PM +0530, Ashish Mhetre wrote:
>> >From tegra186 onwards, memory controller support multiple channels.
>> Reg items are updated with address and size of these channels.
>> Tegra186 has overall 5 memory controller channels. Tegra194 and tegra234
>> have overall 17 memory controller channels each.
>> There is 1 reg item for memory controller stream-id registers.
>> So update the reg maxItems to 18 in tegra186 devicetree documentation.
> 
> Some of this needs to be in 'description' for 'reg'.
> 
>>
>> Signed-off-by: Ashish Mhetre <amhetre@...dia.com>
>> ---
>>  .../devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml      | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> index 13c4c82..eb7ed00 100644
>> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> @@ -35,7 +35,7 @@ properties:
>>  
>>    reg:
>>      minItems: 1
>> -    maxItems: 3
>> +    maxItems: 18
>>  

...and with "if:" block constraining these on different hardware.


Best regards,
Krzysztof