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Tue, 17 Jun 2025 17:49:34 +0000 (GMT) From: "Pritam Manohar Sutar" To: "'Krzysztof Kozlowski'" Cc: , , , , , , , , , , , , , , , , , , , , , In-Reply-To: <20250616-remarkable-zealous-orangutan-7ace78@kuoka> Subject: RE: [PATCH v3 3/9] arm64: dts: exynos: ExynosAutov920: add USB and USB-phy nodes Date: Tue, 17 Jun 2025 23:19:33 +0530 Message-ID: <000301dbdfb0$3168ee00$943aca00$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQNTkACKxnsdZBPuyPiYuNftoBZF1gGoxAPYAeRpXwgBWhb/9LDxAqUA Content-Language: en-in X-CMS-MailID: 20250617174937epcas5p202e625e46a92fba4f4ab08fdbf1063ae X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250613055047epcas5p220b1cd1e9b2819997a3d4747c395d13d References: <20250613055613.866909-1-pritam.sutar@samsung.com> <20250613055613.866909-4-pritam.sutar@samsung.com> <20250616-remarkable-zealous-orangutan-7ace78@kuoka> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250617_181749_720795_708E66E7 X-CRM114-Status: GOOD ( 17.75 ) 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: 16 June 2025 01:43 PM > To: Pritam Manohar Sutar > Cc: 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=40disr= oot.org; > ivo.ivanov.ivanov1=40gmail.com; m.szyprowski=40samsung.com; > s.nawrocki=40samsung.com; linux-phy=40lists.infradead.org; > devicetree=40vger.kernel.org; linux-kernel=40vger.kernel.org; linux-arm- > kernel=40lists.infradead.org; linux-samsung-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 v3 3/9=5D arm64: dts: exynos: ExynosAutov920: add U= SB > and USB-phy nodes >=20 > On Fri, Jun 13, 2025 at 11:26:07AM GMT, Pritam Manohar Sutar wrote: > > Add USB controller and USB PHY controller nodes for this SoC. > > > > The USB controller has following features: > > * Dual Role Device (DRD) controller > > * DWC3 compatible > > * Supports USB 3.0 host and USB 3.0 device interfaces but phy > > controller capability is limited to USB 2.0. > > * Supports full-speed (12 Mbps) and high-speed (480 Mbps) modes with > > USB device 2.0 interface > > * Supports on-chip USB PHY transceiver > > * Supports up to 16 bi-directional endpoints (that includes control > > endpoint 0) > > * Complies with xHCI 1.1 specification > > > > Signed-off-by: Pritam Manohar Sutar > > --- > > .../boot/dts/exynos/exynosautov920-sadk.dts =7C 37 ++++++ > > .../arm64/boot/dts/exynos/exynosautov920.dtsi =7C 108 > > ++++++++++++++++++ > > 2 files changed, 145 insertions(+) >=20 > DTS cannot be a dependency for driver changes. Organize your patchset > correctly or fix the dependency. >=20 ExynosAutov920 has three types of the phy controllers (please check block d= iagram mentioned in cover-letter https://lore.kernel.org/linux-phy/20250613= 055613.866909-1-pritam.sutar=40samsung.com/) 1. HS phy (synopsys phy version v303), similar as existing exynos850. 2. SS phy in combo that that suppors only SS+, SS 3. HS phy (synopsys phy version v400) in 'Add-on' HS phy in combo phy (with= 2nd phy). Different from 1st phy in case of reg offsets and bits. This implementation follows below sequence to post patches for above phys 1. schema=20 2. driver changes 3. DTS changes=20 Please elaborate your comment. Do you want these DTS related patches in sep= arate patch-set series (not with this patch-set)? > 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 E228CC71157 for ; Wed, 18 Jun 2025 01:25:47 +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; bh=eMUZYXeB9QjHNA4XnTcxAshon+jfILrA6/2XthBUfvg=; b=FqdL7SzU+Jjsyl 6Bf5B7rq6DakO6lq0ReVDmrRz3LJzIQ2VVJ1dEwi/lwqUgelmNDeXKS7kt9MNoUPAYurfDbyXe8c2 qnc2gcMZ5MkIhuPK/8NFFiZItaSSWdtcG8d4fO4ff2KNaKcG6Jnf7DXYELA3IzmFSWZQ0l/Gp2pQa QbG5BLELK9xxip3ndfCCzMLjVmX8KdgdGj4MDD8xNKaW+uFkuilnYLF3ZWfMVe3vgSCnEZHZNuZ2M bUkXWkN1tcBB9DWMjytUKDRCJASFOKQ9zd1LKiCBEALkv6QXEMLH1k5hEHcpm0gbnIRwSDn1QQirB +fHuL993QYZ547ndK96Q==; 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Wed, 18 Jun 2025 01:17:46 +0000 (GMT) Received: from epcas5p2.samsung.com (unknown [182.195.38.177]) by epsnrtp03.localdomain (Postfix) with ESMTP id 4bMQpJ54Cbz3hhTD; Wed, 18 Jun 2025 01:17:44 +0000 (GMT) Received: from epsmtip2.samsung.com (unknown [182.195.34.31]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPA id 20250617174937epcas5p202e625e46a92fba4f4ab08fdbf1063ae~J5cgNQ94f0706807068epcas5p2i; Tue, 17 Jun 2025 17:49:37 +0000 (GMT) Received: from INBRO001840 (unknown [107.122.3.105]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250617174934epsmtip2b285fba314cc0e9470a26d9b747b9cb4~J5cdcycjC0696206962epsmtip2H; Tue, 17 Jun 2025 17:49:34 +0000 (GMT) From: "Pritam Manohar Sutar" To: "'Krzysztof Kozlowski'" Cc: , , , , , , , , , , , , , , , , , , , , , In-Reply-To: <20250616-remarkable-zealous-orangutan-7ace78@kuoka> Subject: RE: [PATCH v3 3/9] arm64: dts: exynos: ExynosAutov920: add USB and USB-phy nodes Date: Tue, 17 Jun 2025 23:19:33 +0530 Message-ID: <000301dbdfb0$3168ee00$943aca00$@samsung.com> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQNTkACKxnsdZBPuyPiYuNftoBZF1gGoxAPYAeRpXwgBWhb/9LDxAqUA Content-Language: en-in X-CMS-MailID: 20250617174937epcas5p202e625e46a92fba4f4ab08fdbf1063ae X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250613055047epcas5p220b1cd1e9b2819997a3d4747c395d13d References: <20250613055613.866909-1-pritam.sutar@samsung.com> <20250613055613.866909-4-pritam.sutar@samsung.com> <20250616-remarkable-zealous-orangutan-7ace78@kuoka> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250617_181756_585647_D9679819 X-CRM114-Status: GOOD ( 18.54 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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: 16 June 2025 01:43 PM > To: Pritam Manohar Sutar > Cc: 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; m.szyprowski@samsung.com; > s.nawrocki@samsung.com; 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 v3 3/9] arm64: dts: exynos: ExynosAutov920: add USB > and USB-phy nodes > > On Fri, Jun 13, 2025 at 11:26:07AM GMT, Pritam Manohar Sutar wrote: > > Add USB controller and USB PHY controller nodes for this SoC. > > > > The USB controller has following features: > > * Dual Role Device (DRD) controller > > * DWC3 compatible > > * Supports USB 3.0 host and USB 3.0 device interfaces but phy > > controller capability is limited to USB 2.0. > > * Supports full-speed (12 Mbps) and high-speed (480 Mbps) modes with > > USB device 2.0 interface > > * Supports on-chip USB PHY transceiver > > * Supports up to 16 bi-directional endpoints (that includes control > > endpoint 0) > > * Complies with xHCI 1.1 specification > > > > Signed-off-by: Pritam Manohar Sutar > > --- > > .../boot/dts/exynos/exynosautov920-sadk.dts | 37 ++++++ > > .../arm64/boot/dts/exynos/exynosautov920.dtsi | 108 > > ++++++++++++++++++ > > 2 files changed, 145 insertions(+) > > DTS cannot be a dependency for driver changes. Organize your patchset > correctly or fix the dependency. > ExynosAutov920 has three types of the phy controllers (please check block diagram mentioned in cover-letter https://lore.kernel.org/linux-phy/20250613055613.866909-1-pritam.sutar@samsung.com/) 1. HS phy (synopsys phy version v303), similar as existing exynos850. 2. SS phy in combo that that suppors only SS+, SS 3. HS phy (synopsys phy version v400) in 'Add-on' HS phy in combo phy (with 2nd phy). Different from 1st phy in case of reg offsets and bits. This implementation follows below sequence to post patches for above phys 1. schema 2. driver changes 3. DTS changes Please elaborate your comment. Do you want these DTS related patches in separate patch-set series (not with this patch-set)? > Best regards, > Krzysztof Thank you. Regards, Pritam -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy