linux-kernel - Re: [PATCH v2 1/3] dt-bindings: mtd: spi-nand: Add enable-randomizer-otp property

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Message-ID: <87jz25bh5v.fsf@bootlin.com>
Date: Thu, 11 Sep 2025 09:08:12 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Rob Herring <robh@...nel.org>
Cc: Cheng Ming Lin <linchengming884@...il.com>,  richard@....at,
  vigneshr@...com,  krzk+dt@...nel.org,  conor+dt@...nel.org,
  tudor.ambarus@...aro.org,  mmkurbanov@...utedevices.com,
  Takahiro.Kuwano@...ineon.com,  pratyush@...nel.org,
  linux-mtd@...ts.infradead.org,  devicetree@...r.kernel.org,
  linux-kernel@...r.kernel.org,  alvinzhou@...c.com.tw,  Cheng Ming Lin
 <chengminglin@...c.com.tw>
Subject: Re: [PATCH v2 1/3] dt-bindings: mtd: spi-nand: Add
 enable-randomizer-otp property

Hi,

On 10/09/2025 at 11:36:31 -05, Rob Herring <robh@...nel.org> wrote:

> On Wed, Sep 10, 2025 at 11:09:35AM +0200, Miquel Raynal wrote:
>> Hello Cheng Ming,
>> 
>> On 10/09/2025 at 11:02:59 +08, Cheng Ming Lin <linchengming884@...il.com> wrote:
>> 
>> > From: Cheng Ming Lin <chengminglin@...c.com.tw>
>> >
>> > Add a new boolean property "enable-randomizer-otp" to enable the
>> > randomizer feature on supported SPI-NAND devices.
>> >
>> > Signed-off-by: Cheng Ming Lin <chengminglin@...c.com.tw>
>> > ---
>> >  Documentation/devicetree/bindings/mtd/spi-nand.yaml | 4 ++++
>> >  1 file changed, 4 insertions(+)
>> >
>> > diff --git a/Documentation/devicetree/bindings/mtd/spi-nand.yaml b/Documentation/devicetree/bindings/mtd/spi-nand.yaml
>> > index 77a8727c7..432bc79e9 100644
>> > --- a/Documentation/devicetree/bindings/mtd/spi-nand.yaml
>> > +++ b/Documentation/devicetree/bindings/mtd/spi-nand.yaml
>> > @@ -21,6 +21,10 @@ properties:
>> >      description: Encode the chip-select line on the SPI bus
>> >      maxItems: 1
>> >  
>> > +  enable-randomizer-otp:
>> 
>> This is a NAND wide feature, so we should probably add a prefix, such as
>> "nand,".
>
> 'nand' is not a vendor, so no.

Sorry for the confusion I meant "nand-", like we already have:
- nand-ecc-engine
- nand-use-soft-ecc-engine
- nand-ecc-strength
- nand-ecc-step-size
etc

Thanks,
Miquèl