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 46874CCF9E0 for ; Fri, 24 Oct 2025 10:39:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:References:Content-Type: Content-Transfer-Encoding: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=dl+b+dAk76gbfMu7WsZhTUofWjMUuUVuug8qmGt/SgQ=; b=rKTytd6VMBpsIvTajubg1Mrdlx +PqxjKHVetknzwRS0MEyLXgVc2ICnk8gmRPgCbAjV9tKxFQ3LVwxpDhBKkSL329OZFNXSeulG5+cL fW8OnPv724zCTOHHAqcrQ5bHvCJ7o9wm4Gnz2mE8tUzdvAuLLS9JVOLHUwXT8ub5rwwyb6Uk50Zml KNykq4iXv0wzdvlecwfyi85mfTMq4TNWp/TDJ6xtjYVFZlGbQGh170AnR3e5Sw4jbEL/aYc7lBnVJ mhqbzdvnFlZJxJT+PBcNyg4UCUtEGQqVC1WMqBuQXyC9yFtPuTqyJXPfePqlC72ILNf6hxdlBAyGG fxXV+h6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vCFCV-000000093WG-2U99; Fri, 24 Oct 2025 10:39:15 +0000 Received: from mailout1.samsung.com ([203.254.224.24]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vCFCR-000000093UP-3OTX for linux-arm-kernel@lists.infradead.org; Fri, 24 Oct 2025 10:39:14 +0000 Received: from epcas5p4.samsung.com (unknown [182.195.41.42]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20251024103902epoutp01206f4eb77879e42672ea0626e7f8c650~xZyYSuBJr1444314443epoutp01T for ; Fri, 24 Oct 2025 10:39:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20251024103902epoutp01206f4eb77879e42672ea0626e7f8c650~xZyYSuBJr1444314443epoutp01T DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1761302342; bh=dl+b+dAk76gbfMu7WsZhTUofWjMUuUVuug8qmGt/SgQ=; h=From:To:Cc:In-Reply-To:Subject:Date:References:From; b=o8mXKmRTF4GpGc+Y7y/mMG2e4F1PCJgR0h7n8wKARyOFtPYc2dRTkSOgZfCO6Dh25 xhqPdurCb3a0/f+CUB0FdL0e2T+LNvRxAXKArp18lCHuPiT8Mcle1QJ0aDuxhTwooI TNUNQmfpgWf5PTcN1Zc02sWX+PU4ZXwXSu/7YAR0= Received: from epsnrtp01.localdomain (unknown [182.195.42.153]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPS id 20251024103901epcas5p2a433be2f9b5a01c5d29e22cc1f251194~xZyXic9CG0277602776epcas5p2i; Fri, 24 Oct 2025 10:39:01 +0000 (GMT) Received: from epcas5p3.samsung.com (unknown [182.195.38.88]) by epsnrtp01.localdomain (Postfix) with ESMTP id 4ctKBr53G0z6B9m6; Fri, 24 Oct 2025 10:39:00 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20251024103859epcas5p49b77262f51a3ffad8c3f4fc2032d156c~xZyVe6IAy1394013940epcas5p4i; Fri, 24 Oct 2025 10:38:59 +0000 (GMT) Received: from INBRO001840 (unknown [107.122.3.105]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20251024103855epsmtip1f303eee714eb0c38a99ca9281c48225a~xZyR-qtpQ3110431104epsmtip1I; Fri, 24 Oct 2025 10:38:55 +0000 (GMT) From: "Pritam Manohar Sutar" To: , , , , , , , , , , , , Cc: , , , , , , , , , In-Reply-To: <20251010070912.3758334-1-pritam.sutar@samsung.com> Subject: RE: [PATCH v9 0/6] initial usbdrd phy support for Exynosautov920 soc Date: Fri, 24 Oct 2025 16:08:51 +0530 Message-ID: <000701dc44d2$67f0d690$37d283b0$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQF7oV+n5BMArQ7/Kr7NJhFkLim/CAId6djPtYFw0bA= Content-Language: en-in X-CMS-MailID: 20251024103859epcas5p49b77262f51a3ffad8c3f4fc2032d156c 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: 20251010070037epcas5p312b0463a6a757e9b0c03aed6adc48595 References: <20251010070912.3758334-1-pritam.sutar@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251024_033912_486048_5D99897D X-CRM114-Status: GOOD ( 30.59 ) 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 Vinod,=20 Gentle reminder. Can you please take this to your tree=20 and let me know if any comments?=20 > -----Original Message----- > From: Pritam Manohar Sutar > Sent: 10 October 2025 12:39 PM > To: 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; > johan=40kernel.org; ivo.ivanov.ivanov1=40gmail.com; > m.szyprowski=40samsung.com; s.nawrocki=40samsung.com; > pritam.sutar=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: =5BPATCH v9 0/6=5D initial usbdrd phy support for Exynosautov920= soc >=20 > This SoC has a single USB 3.1 DRD combo phy and three USB2.0 only DRD phy > controllers as mentined below >=20 > * Combo phy supports USB3.1 SSP+(10Gbps) protocol and is backwards > compatible to the USB3.0 SS(5Gbps). 'Add-on USB2.0' phy is added > to support USB2.0 HS(480Mbps), FS(12Mbps) and LS(1.5Mbps) data rates. > These two phys are combined to form a combo phy as mentioned below. >=20 >=20 > USB30DRD_0 port >=20 > +------------------------------------------------------------+ > =7C =7C > =7C (combo) USB phy controller =7C > =7C +----------------------------------------------+ =7C > =7C =7C USB HSPHY =7C =7C > =7C =7C (samsung,exynosautov920-usbdrd-combo-hsphy) =7C =7C > =7C +----------------------------------------------+ =7C > =7C =7C > =7C +--------------------------------------------------+ =7C > =7C =7C USB SSPHY =7C =7C > =7C =7C (samsung,exynosautov920-usb31drd-combo-ssphy) =7C =7C > =7C +--------------------------------------------------+- =7C > =7C =7C > +------------------------------------------------------------+ > =7C =7C > =7C USBDRD30 Link =7C > =7C Controller =7C > +------------------------------------------------------------+ >=20 > * USB2.0 phy supports only UTMI+ interface. USB2.0DRD phy > is very similar to the existing Exynos850 support in this driver. >=20 > USB20DRD_0/1/2 ports >=20 > +---------------------------------------------------+ > =7C =7C > =7C USB PHY controller =7C > =7C +-----------------------------------------+ =7C > =7C =7C USB HSPHY =7C =7C > =7C =7C (samsung,exynosautov920-usbdrd-phy) =7C =7C > =7C +-----------------------------------------+ =7C > =7C =7C > +---------------------------------------------------+ > =7C =7C > =7C USBDRD20_* Link =7C > =7C Controller =7C > =7C =7C > +---------------------------------------------------+ >=20 > The =22USB20 phy output isolation=22 is shared across the USB20 phys. > We have to bypass isolation when any one of the USBs is configured and en= able > it when all are turned off. The =22USB31 phy isolation=22 > is seperate for USB31 phy. >=20 > This patchset only supports device mode and same is verified with as NCM > device >=20 > changelog > ---------- > Changes in v9: > - added RB tags those were given in v7 =5B1=5D and v8. > - updated commit message in patch no.1 by adding supplies' > names those are taken from phy User Manual =5B2=5D > link for v8: https://lore.kernel.org/linux-phy/20250903073827.3015662-1= - > pritam.sutar=40samsung.com/ > =5B1=5D: https://lore.kernel.org/linux-phy/20250824-mustang-of-glorious- > sufficiency-b55bf4=40kuoka/ > =5B2=5D: https://lore.kernel.org/linux-phy/02ef5180-ad56-45f0-a56f- > 87f442bf6793=40kernel.org/ >=20 > Changes in v8: > - modified supplies' names in schema and driver. > - Since supplies' names are changed, modified patch no 5. to > fix warnings in dtbs_check dt_binding_check. > - updated commit message for patch no. 1, 3 and 5 to describe > hardware details. > link for v7: https://lore.kernel.org/linux-phy/20250822093845.1179395-1= - > pritam.sutar=40samsung.com/ >=20 > Changes in v7: > - added fixes for driver build warnings > link for v6: https://lore.kernel.org/linux-phy/20250821073703.2498302-1= - > pritam.sutar=40samsung.com/ >=20 > Changes in v6: > - added else part for new supplies in schemas those are only > supported for exynosautov920. > - addressed comments for driver given in v5. > link for v5: https://lore.kernel.org/linux-phy/20250805115216.3798121-1= - > pritam.sutar=40samsung.com/ >=20 > Changes in v5: >=20 > - addressed comments from v4 patchset. > - patch (1/6) > - DTS style is corrected and added required supplies in code/schema. > - schema block added to resolve below failure during 'dtbs_check'. > Unevaluated properties are not allowed ('dvdd075-usb-supply', 'vdd1= 8- > usb20-supply', 'vdd33-usb20-supply' were unexpected. > - patch (2/6) > - removed usage_counter(take this later in subsequent patch-sets) > - patch (3/6) > - There are 3 types of the phys in this SoC. > - one is simmilar with exynos850 as mentioned in patch no.1. > - second supports only USB3.1 SSP+ and denoted in patch no 5 > - third supports only USB2.0 HS as in patch3. > - hs phy in combo phy is =22NOT=22 same as phy. (in patch no. 1) > - These three phys(usbdrd-phy, combo-hsphy, combo-ssphy) are totally > deferent, =22NOT=22 same, hence added three compatible for three ph= ys. > - patch (5/6) > - Since there are two phys in combo phy, explaination is given > in each patch. > link for v4: https://lore.kernel.org/linux-phy/20250701120706.2219355-1= - > pritam.sutar=40samsung.com/ >=20 > Changes in v4: > - addressed comments from v3 patchset > - removed dts related patches, to be posted in new patchset. > - added regulator, pmu and power sequences. > - phy isol is shared across USBs, added usage counter to bypass or > enable phy isolation. > - modified schemas with hs and combo phy compatible names > (used =22combo=22 to denote combo phy) and regulators > - modified code to work with binding and unbinding devices/drivers > - added =22Reviewed-by=22 tag. > link for v3: https://lore.kernel.org/linux-phy/20250613055613.866909-1- > pritam.sutar=40samsung.com/ >=20 > Changes in v3: > - Updated dt-bindings for USB2.0 only. > - Added dt-bindings for combo phy. > - Added implementation for combo phy (SS and HS phy). > - Added added DTS nodes for all the phys > link for v2: https://lore.kernel.org/linux-phy/20250516102650.2144487-1= - > pritam.sutar=40samsung.com/ >=20 > Changes in v2: > - Used standard GENMASK() and FIELD_GET() to get the major version > from controller version register. > link for v1: https://lore.kernel.org/linux-phy/20250514134813.380807-1- > pritam.sutar=40samsung.com/ >=20 > Pritam Manohar Sutar (6): > dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 HS phy > compatible > phy: exynos5-usbdrd: support HS phy for ExynosAutov920 > dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 combo hsphy > phy: exynos5-usbdrd: support HS combo phy for ExynosAutov920 > dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 combo ssphy > phy: exynos5-usbdrd: support SS combo phy for ExynosAutov920 >=20 > .../bindings/phy/samsung,usb3-drd-phy.yaml =7C 48 ++ > drivers/phy/samsung/phy-exynos5-usbdrd.c =7C 651 ++++++++++++++++++ > include/linux/soc/samsung/exynos-regs-pmu.h =7C 3 + > 3 files changed, 702 insertions(+) >=20 > -- > 2.34.1 Thank you, Regards, Pritam