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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id g9-20020a19ac09000000b004948868f326sm628998lfc.154.2022.09.01.03.28.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 Sep 2022 03:28:09 -0700 (PDT) Message-ID: <83444851-14ef-b293-6581-1307331fb1c4@linaro.org> Date: Thu, 1 Sep 2022 13:28:07 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property Content-Language: en-US To: "Potthuri, Sai Krishna" , Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski Cc: "devicetree@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "saikrishna12468@gmail.com" , "git (AMD-Xilinx)" References: <20220901072914.30205-1-sai.krishna.potthuri@amd.com> <20220901072914.30205-2-sai.krishna.potthuri@amd.com> <6b06f88e-128d-7ce6-b97b-b5cacfc4834d@linaro.org> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/09/2022 13:18, Potthuri, Sai Krishna wrote: > Hi Krzysztof, > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: Thursday, September 1, 2022 1:26 PM >> To: Potthuri, Sai Krishna ; Tudor Ambarus >> ; Pratyush Yadav ; >> Michael Walle ; Miquel Raynal >> ; Richard Weinberger ; >> Vignesh Raghavendra ; Rob Herring >> ; Krzysztof Kozlowski >> >> Cc: devicetree@vger.kernel.org; linux-mtd@lists.infradead.org; linux- >> kernel@vger.kernel.org; saikrishna12468@gmail.com; git (AMD-Xilinx) >> >> 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 >>> --- >> >> 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