Re: [RFC PATCH v3 2/3] dt-bindings: nand: meson: make ECC properties dependent

[Arseniy Krasnov]

On 14.07.2023 18:55, Rob Herring wrote:
> On Tue, Jul 11, 2023 at 03:21:28PM +0300, Arseniy Krasnov wrote:
>> ECC properties 'nand-ecc-strength' and 'nand-ecc-step-size' depends on
>> each other, so they must be both either set or not set. 
> 
> Is that true for all drivers or just meson?

As Miquel Raynal suggested, this will be implemented only for Meson driver at this moment.
Here is link with reply:
https://lore.kernel.org/linux-mtd/20230705065434.297040-1-AVKrasnov@xxxxxxxxxxxxxx/T/#m88705a0039fb30c18a9bb2b03a1add5f7e212a3b

Thanks, Arseniy

> 
>> In first case
>> ECC core will try to use these values if possible (by checking ECC caps
>> provided by driver), in second case ECC core will select most optimal
>> values for both properties.
>>
>> Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
>> ---
>>  Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> index e81757c9e0ed..4f6e56542a7e 100644
>> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> @@ -58,6 +58,10 @@ patternProperties:
>>              meson-gxl-nfc 8, 16, 24, 30, 40, 50, 60
>>              meson-axg-nfc 8
>>  
>> +    dependencies:
>> +      nand-ecc-strength: ['nand-ecc-step-size']
>> +      nand-ecc-step-size: ['nand-ecc-strength']
>> +
>>  required:
>>    - compatible
>>    - reg
>> -- 
>> 2.35.0
>>