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From: Arseniy Krasnov <avkrasnov@salutedevices.com>
To: Rob Herring <robh@kernel.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	<linux-mtd@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <oxffffaa@gmail.com>,
	<kernel@sberdevices.ru>
Subject: Re: [PATCH v2 1/2] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code
Date: Tue, 9 Apr 2024 17:10:25 +0300	[thread overview]
Message-ID: <c9fa6376-a88d-278a-7c20-813f0e8975d8@salutedevices.com> (raw)
In-Reply-To: <20240409134718.GA1050037-robh@kernel.org>



On 09.04.2024 16:47, Rob Herring wrote:
> On Mon, Apr 08, 2024 at 11:59:30AM +0300, Arseniy Krasnov wrote:
>> Boot ROM code on Meson requires that some pages on NAND must be written
>> in special mode: "short" ECC mode where each block is 384 bytes and
>> scrambling mode is on. Such pages located with the specified interval
>> within specified offset. Both interval and offset are located in the
>> device tree and used by driver if 'nand-is-boot-medium' is set for
>> NAND chip.
>>
>> Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
>> ---
>>  .../bindings/mtd/amlogic,meson-nand.yaml           | 14 ++++++++++++++
>>  1 file changed, 14 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> index 57b6957c8415..80ba5003ca70 100644
>> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>> @@ -64,11 +64,25 @@ patternProperties:
>>          items:
>>            maximum: 0
>>  
>> +      amlogic,boot-page-last:
>> +        $ref: /schemas/types.yaml#/definitions/uint32
>> +        description:
>> +          The NFC driver needs this information to select ECC
>> +          algorithms supported by the boot ROM.
>> +
>> +      amlogic,boot-page-step:
>> +        $ref: /schemas/types.yaml#/definitions/uint32
>> +        description:
>> +          The NFC driver needs this information to select ECC
>> +          algorithms supported by the boot ROM (in pages).
>> +
>>      unevaluatedProperties: false
>>  
>>      dependencies:
>>        nand-ecc-strength: [nand-ecc-step-size]
>>        nand-ecc-step-size: [nand-ecc-strength]
>> +      amlogic,boot-page-last: [nand-is-boot-medium, amlogic,boot-page-step]
>> +      amlogic,boot-page-step: [nand-is-boot-medium, amlogic,boot-page-last]
> 
> You need quotes if using the inline syntax.

IIUC it must look like this:

amlogic,boot-page-last: [nand-is-boot-medium, "amlogic,boot-page-step"]

etc.

> 
> Rob

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  reply	other threads:[~2024-04-09 14:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-08  8:59 [PATCH v2 0/2] Meson: R/W support for pages used by boot ROM Arseniy Krasnov
2024-04-08  8:59 ` [PATCH v2 1/2] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code Arseniy Krasnov
2024-04-08 21:24   ` kernel test robot
2024-04-09  1:29   ` Rob Herring
2024-04-09 13:47   ` Rob Herring
2024-04-09 14:10     ` Arseniy Krasnov [this message]
2024-04-08  8:59 ` [PATCH v2 2/2] mtd: rawnand: meson: support R/W mode for boot ROM Arseniy Krasnov

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