From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: "Potthuri, Sai Krishna" <sai.krishna.potthuri@amd.com>,
Tudor Ambarus <tudor.ambarus@microchip.com>,
Pratyush Yadav <pratyush@kernel.org>,
Michael Walle <michael@walle.cc>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"saikrishna12468@gmail.com" <saikrishna12468@gmail.com>,
"git (AMD-Xilinx)" <git@amd.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property
Date: Thu, 1 Sep 2022 13:28:07 +0300 [thread overview]
Message-ID: <83444851-14ef-b293-6581-1307331fb1c4@linaro.org> (raw)
In-Reply-To: <BY5PR12MB4258128603AA297DD8FAB168DB7B9@BY5PR12MB4258.namprd12.prod.outlook.com>
On 01/09/2022 13:18, Potthuri, Sai Krishna wrote:
> Hi Krzysztof,
>
>> -----Original Message-----
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>> Sent: Thursday, September 1, 2022 1:26 PM
>> To: Potthuri, Sai Krishna <sai.krishna.potthuri@amd.com>; Tudor Ambarus
>> <tudor.ambarus@microchip.com>; Pratyush Yadav <pratyush@kernel.org>;
>> Michael Walle <michael@walle.cc>; Miquel Raynal
>> <miquel.raynal@bootlin.com>; Richard Weinberger <richard@nod.at>;
>> Vignesh Raghavendra <vigneshr@ti.com>; Rob Herring
>> <robh+dt@kernel.org>; Krzysztof Kozlowski
>> <krzysztof.kozlowski+dt@linaro.org>
>> Cc: devicetree@vger.kernel.org; linux-mtd@lists.infradead.org; linux-
>> kernel@vger.kernel.org; saikrishna12468@gmail.com; git (AMD-Xilinx)
>> <git@amd.com>
>> Subject: Re: [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios
>> property
>>
>> On 01/09/2022 10:29, Sai Krishna Potthuri wrote:
>>> SPI-NOR flashes have RESET pin which can be toggled using GPIO
>>> controller, for those platforms reset-gpios property can be used to
>>> reset the flash device.
>>>
>>> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
>>> ---
>>
>> You still miss the user (DTS) of this change...
> Do you mean to have this property in example DTS in this yaml?
No, I want to see in-tree DTS using it.
>
>> The JEDEC spec did not mention
>> a reset pin. Can you provide the user?
> Xilinx Octal SPI (cdns,qspi-nor.yaml) is using this reset pin to reset the
> flash device on Versal platform.> Do you want me to update the example dts in cdns,qspi-nor.yaml file
> to reflect this property in this patch?
>
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-09-01 10:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 7:29 [PATCH v2 0/2] mtd: spi-nor: Add flash device reset support Sai Krishna Potthuri
2022-09-01 7:29 ` [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property Sai Krishna Potthuri
2022-09-01 7:56 ` Krzysztof Kozlowski
2022-09-01 10:18 ` Potthuri, Sai Krishna
2022-09-01 10:28 ` Krzysztof Kozlowski [this message]
2022-09-07 9:49 ` Potthuri, Sai Krishna
2022-09-07 10:24 ` Krzysztof Kozlowski
2022-09-01 7:29 ` [PATCH v2 2/2] mtd: spi-nor: Add support for flash reset Sai Krishna Potthuri
2022-09-01 7:39 ` Michael Walle
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