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Wed, 8 Oct 2025 04:45:28 +0000 (GMT) From: "Pritam Manohar Sutar" To: "'Krzysztof Kozlowski'" , , , , , , , , , , , , , Cc: , , , , , , , , , In-Reply-To: <808d166a-b615-49c6-b0f5-bf5101721381@kernel.org> Subject: RE: [PATCH v8 1/6] dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 HS phy compatible Date: Wed, 8 Oct 2025 10:15:27 +0530 Message-ID: <000001dc380e$612b5680$23820380$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIRMOVGdWg5oRjNsRBgEjzIeIB8IgGabj6EAmTXuDcA7fJUJgHIrfZJAofpNyABqVtXsAE6XDP/s+yr4PA= Content-Language: en-in X-CMS-MailID: 20251008044532epcas5p23af935589ba8975d38fc28b5df113e5d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250903072936epcas5p4a28d0e63c7f0792b516b0cbc68bf3a8e References: <20250903073827.3015662-1-pritam.sutar@samsung.com> <20250903073827.3015662-2-pritam.sutar@samsung.com> <0df74c2b-31b9-4f29-97d3-b778c8e3eaf1@kernel.org> <007801dc2893$18ed4a20$4ac7de60$@samsung.com> <02ef5180-ad56-45f0-a56f-87f442bf6793@kernel.org> <007f01dc2b81$84ef19b0$8ecd4d10$@samsung.com> <808d166a-b615-49c6-b0f5-bf5101721381@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251007_214542_105936_9BBA424B X-CRM114-Status: GOOD ( 14.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Krzysztof, > -----Original Message----- > From: Krzysztof Kozlowski > Sent: 07 October 2025 11:54 AM > To: Pritam Manohar Sutar ; vkoul=40kernel.org= ; > kishon=40kernel.org; robh=40kernel.org; krzk+dt=40kernel.org; > conor+dt=40kernel.org; alim.akhtar=40samsung.com; andre.draszik=40linaro.= org; > peter.griffin=40linaro.org; kauschluss=40disroot.org; > ivo.ivanov.ivanov1=40gmail.com; igor.belwon=40mentallysanemainliners.org; > m.szyprowski=40samsung.com; s.nawrocki=40samsung.com > Cc: linux-phy=40lists.infradead.org; devicetree=40vger.kernel.org; linux- > kernel=40vger.kernel.org; linux-arm-kernel=40lists.infradead.org; linux-s= amsung- > soc=40vger.kernel.org; rosa.pila=40samsung.com; dev.tailor=40samsung.com; > faraz.ata=40samsung.com; muhammed.ali=40samsung.com; > selvarasu.g=40samsung.com > Subject: Re: =5BPATCH v8 1/6=5D dt-bindings: phy: samsung,usb3-drd-phy: a= dd > ExynosAutov920 HS phy compatible >=20 > On 22/09/2025 14:26, Pritam Manohar Sutar wrote: > > This phy needs 0.75v, 0.18v and 3.3v supplies for its internal > > functionally. Power Supply's names are as per phy's User Data-Book. > > These names, (dvdd, vdd18 and vdd33), are considered for 0.75v, 1.8v > > and 3.3v respectively. > > =22 > > > >> > >> I still cannot find constraints for the rest of properties, though. > > > > Sorry I didn't get it completely. Can you please elaborate on the same? >=20 >=20 > Writing bindings and introductory talks elaborate on that. You add proper= ties > without constraints. That's not what we want. We want constraints. >=20 Have added only supplies in this patch-set. However, was going=20 through schema example and it says nothing is needed to define in terms of supply.=20 ref:=20 1. Documentation/devicetree/bindings/writing-schema.rst +151 ... A =22description=22 property is always required. 2. Documentation/devicetree/bindings/example-schema.yaml +135 =23 *-supply is always a single phandle, so nothing more to define. foo-supply: true Please confirm and let me know if your expectations are something=20 else in terms of constraints of the properties. >=20 > Best regards, > Krzysztof Thank you, Regards, Pritam From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6B808CAC5BB for ; Wed, 8 Oct 2025 04:45:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:References:MIME-Version:Message-ID:Date :Subject:In-Reply-To:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Hi Krzysztof, > -----Original Message----- > From: Krzysztof Kozlowski > Sent: 07 October 2025 11:54 AM > To: Pritam Manohar Sutar ; vkoul@kernel.org; > kishon@kernel.org; robh@kernel.org; krzk+dt@kernel.org; > conor+dt@kernel.org; alim.akhtar@samsung.com; andre.draszik@linaro.org; > peter.griffin@linaro.org; kauschluss@disroot.org; > ivo.ivanov.ivanov1@gmail.com; igor.belwon@mentallysanemainliners.org; > m.szyprowski@samsung.com; s.nawrocki@samsung.com > Cc: linux-phy@lists.infradead.org; devicetree@vger.kernel.org; linux- > kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-samsung- > soc@vger.kernel.org; rosa.pila@samsung.com; dev.tailor@samsung.com; > faraz.ata@samsung.com; muhammed.ali@samsung.com; > selvarasu.g@samsung.com > Subject: Re: [PATCH v8 1/6] dt-bindings: phy: samsung,usb3-drd-phy: add > ExynosAutov920 HS phy compatible > > On 22/09/2025 14:26, Pritam Manohar Sutar wrote: > > This phy needs 0.75v, 0.18v and 3.3v supplies for its internal > > functionally. Power Supply's names are as per phy's User Data-Book. > > These names, (dvdd, vdd18 and vdd33), are considered for 0.75v, 1.8v > > and 3.3v respectively. > > " > > > >> > >> I still cannot find constraints for the rest of properties, though. > > > > Sorry I didn't get it completely. Can you please elaborate on the same? > > > Writing bindings and introductory talks elaborate on that. You add properties > without constraints. That's not what we want. We want constraints. > Have added only supplies in this patch-set. However, was going through schema example and it says nothing is needed to define in terms of supply. ref: 1. Documentation/devicetree/bindings/writing-schema.rst +151 ... A "description" property is always required. 2. Documentation/devicetree/bindings/example-schema.yaml +135 # *-supply is always a single phandle, so nothing more to define. foo-supply: true Please confirm and let me know if your expectations are something else in terms of constraints of the properties. > > Best regards, > Krzysztof Thank you, Regards, Pritam -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy