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Thu, 22 Jan 2026 12:57:53 +0000 (GMT) From: "Pritam Manohar Sutar" To: "'Krzysztof Kozlowski'" , , , , Cc: , , , , , , , , In-Reply-To: <15119728-7a22-4e2c-8716-9b0c9def24ae@kernel.org> Subject: RE: [PATCH 0/3] Add and enable USB nodes for ExynosAutov920 SoC Date: Thu, 22 Jan 2026 18:27:49 +0530 Message-ID: <000a01dc8b9e$b82c0ae0$288420a0$@samsung.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJC10xQ5cnsV5/dezQFmmCfFyZ4QgFqW1wVAUtqIAYBvejB87Rt8GNw Content-Language: en-in X-CMS-MailID: 20260122125755epcas5p4bb865a596b685d044c32f420dd705fb7 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: 20251024114018epcas5p4e09ca8ea47ff2295a08a162864a47284 References: <20251024114845.2395166-1-pritam.sutar@samsung.com> <000001dc8b8a$543269d0$fc973d70$@samsung.com> <15119728-7a22-4e2c-8716-9b0c9def24ae@kernel.org> Hi Krzysztof, > -----Original Message----- > From: Krzysztof Kozlowski > Sent: 22 January 2026 04:10 PM > To: Pritam Manohar Sutar ; robh=40kernel.org; > krzk+dt=40kernel.org; conor+dt=40kernel.org; alim.akhtar=40samsung.com > Cc: devicetree=40vger.kernel.org; linux-arm-kernel=40lists.infradead.org;= linux- > samsung-soc=40vger.kernel.org; linux-kernel=40vger.kernel.org; > rosa.pila=40samsung.com; dev.tailor=40samsung.com; faraz.ata=40samsung.co= m; > muhammed.ali=40samsung.com; selvarasu.g=40samsung.com > Subject: Re: =5BPATCH 0/3=5D Add and enable USB nodes for ExynosAutov920 = SoC >=20 > On 22/01/2026 11:31, Pritam Manohar Sutar wrote: > > Hi All, > > > >> -----Original Message----- > >> From: Pritam Manohar Sutar > >> Sent: 24 October 2025 05:19 PM > >> To: robh=40kernel.org; krzk+dt=40kernel.org; conor+dt=40kernel.org; > >> alim.akhtar=40samsung.com > >> Cc: devicetree=40vger.kernel.org; linux-arm-kernel=40lists.infradead.o= rg; > >> linux- samsung-soc=40vger.kernel.org; linux-kernel=40vger.kernel.org; > >> rosa.pila=40samsung.com; dev.tailor=40samsung.com; > faraz.ata=40samsung.com; > >> muhammed.ali=40samsung.com; selvarasu.g=40samsung.com; > >> pritam.sutar=40samsung.com > >> Subject: =5BPATCH 0/3=5D Add and enable USB nodes for ExynosAutov920 S= oC > >> > >> This SoC has 2 USB typeC and 2 typeA ports those are DWC3 DRD > >> controllers and amoung them, one is USB3.1 DRD combo phy and three > >> USB2.0 phy controllers. This patchset adds and enables USB and > >> USB-PHY nodes in dts. > >> > >> PMIC driver is not implmented yet, we rely on USB LDOs being enabled > >> by the bootloader and used dummy regulators for now. > >> > >> To drive vbus for host mode, it needs GPIO pin to enable vbus regulato= r. > >> GPIO expander is present in the dts, we used it to enable the vbus > >> regulator using GPIO. > >> > >> USB ports are configured as OTG, and default mode is configured as > peripheral. > >> These configurations might be changed based on requirements. > >> > >> This patchset has dependancy on schema and driver implementation=5B1= =5D > >> and role switch control from userspace=5B2=5D patches. > >> =5B1=5D: https://lore.kernel.org/linux-phy/20251010070912.3758334-1- > >> pritam.sutar=40samsung.com/ > >> =5B2=5D: https://lore.kernel.org/linux-usb/20251024085455.789555-1- > >> pritam.sutar=40samsung.com/ >=20 > This wasn't even a dependency... >=20 > > > > Above dependent patches are merged, can you please review the patchset? >=20 > I closed my tree few days ago, so next cycle, but please resend, because = this is > three months old now. I dropped it from my queue long time ago. Noted and resent same patch series as v2 patchset.=20 Link for v2: https://lore.kernel.org/linux-devicetree/20260122130721.205664= -1-pritam.sutar=40samsung.com/ >=20 > Best regards, > Krzysztof Thank you. Regards, Pritam