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Mon, 05 Feb 2024 10:06:25 -0800 (PST) Message-ID: Date: Mon, 5 Feb 2024 10:06:23 -0800 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 02/12] dt-bindings: mtd: brcmnand: Add WP pin connection property To: Miquel Raynal Cc: Linux MTD List , Linux ARM List , Broadcom Kernel List , f.fainelli@gmail.com, kursad.oney@broadcom.com, joel.peshkin@broadcom.com, anand.gore@broadcom.com, dregan@mail.com, kamal.dasu@broadcom.com, tomer.yacoby@broadcom.com, dan.beygelman@broadcom.com, devicetree@vger.kernel.org, Brian Norris , linux-kernel@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Vignesh Raghavendra , Richard Weinberger , Kamal Dasu , Rob Herring References: <20240203002834.171462-1-william.zhang@broadcom.com> <20240203002834.171462-3-william.zhang@broadcom.com> <20240205143246.52ee97ec@xps-13> From: William Zhang In-Reply-To: <20240205143246.52ee97ec@xps-13> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000000636be0610a652c9" --0000000000000636be0610a652c9 Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 2/5/24 05:32, Miquel Raynal wrote: > Hi William, > > william.zhang@broadcom.com wrote on Fri, 2 Feb 2024 16:28:23 -0800: > >> Add brcm,wp-not-connected property to have an option for disabling this >> feature on broadband board design that does not connect WP pin. >> >> Signed-off-by: William Zhang >> >> --- >> >> Changes in v4: >> - Move the WP pin property to this separate patch and change it to >> boolean type. >> >> Changes in v3: None >> Changes in v2: None >> >> Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml >> index e54ca08a798a..d0168d55c73e 100644 >> --- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml >> +++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml >> @@ -113,6 +113,14 @@ properties: >> earlier versions of this core that include WP >> type: boolean >> >> + brcm,wp-not-connected: >> + description: >> + Use this property when board design does not connect controller's >> + NAND_WPb pin to NAND chip's WP_L pin and disable the write >> + protection feature. By default, controller assumes the pin is >> + connected and feature is used. > > I would rephrase slightly. What about: > > WP pin is not physically wired to the NAND chip. Write > protection feature cannot be used. > That's fine with me. Will update. >> + $ref: /schemas/types.yaml#/definitions/flag >> + >> patternProperties: >> "^nand@[a-f0-9]$": >> type: object > > > Thanks, > Miquèl --0000000000000636be0610a652c9 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e 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