From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v2] arm64: rockchip: dts: sapphire: Fix USB3 Type-C. Date: Thu, 27 Jun 2019 14:39:59 +0200 Message-ID: <9087476.qcbMaj4rIx@phil> References: <4b759fa0-8fe9-4686-b5a7-b7a4e4564419@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <4b759fa0-8fe9-4686-b5a7-b7a4e4564419-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Vicente Bergas Cc: Enric Balletbo i Serra , William wu , linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Hi Vicente, Am Samstag, 15. Juni 2019, 02:31:01 CEST schrieb Vicente Bergas: > Before this patch, the Type-C port on the Sapphire board is dead. > If setting the 'regulator-always-on' property to 'vcc5v0_typec0' > then the port works for about 4 seconds at start-up. This is a > sample trace with a memory stick plugged in: > 1.- The memory stick LED lights on and kernel reports: > [ 4.782999] scsi 0:0:0:0: Direct-Access USB DISK PMAP PQ: 0 ANSI: 4 > [ 5.904580] sd 0:0:0:0: [sdb] 3913344 512-byte logical blocks: (2.00 = > GB/1.87 GiB) > [ 5.906860] sd 0:0:0:0: [sdb] Write Protect is off > [ 5.908973] sd 0:0:0:0: [sdb] Mode Sense: 23 00 00 00 > [ 5.909122] sd 0:0:0:0: [sdb] No Caching mode page found > [ 5.911214] sd 0:0:0:0: [sdb] Assuming drive cache: write through > [ 5.951585] sdb: sdb1 > [ 5.954816] sd 0:0:0:0: [sdb] Attached SCSI removable disk > 2.- 4 seconds later the memory stick LED lights off and kernel reports: > [ 9.082822] phy phy-ff770000.syscon:usb2-phy@e450.2: charger =3D = > USB_DCP_CHARGER > 3.- After a minute the kernel reports: > [ 71.666761] usb 5-1: USB disconnect, device number 2 > It has been checked that, although the LED is off, VBUS is present. > = > If, instead, the dr_mode is changed to host and the phy-supply changed > accordingly, then it works. It has only been tested in host mode. > = > Signed-off-by: Vicente Bergas "git am" complains about the patch being broken in "line 21", so I guess your Google mailer somehow mangled the patch. Can you resend in a fixed way please (maybe with git send-email)? Thanks Heiko > --- > = > Hi Heiko, > before i did test: > a.- applying only the first part of the patch: reg-always-on > b.- applying the full patch > but did not test: > c.- applying only the last part of the patch, as you suggest > Now i have tested (c) and it also works, so, here is v2. > = > Thanks for reviewing! > = > Regards, > Vicen=E7. > = > diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi = > b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi > index 04623e52ac5d..72000a7b666f 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi > @@ -565,12 +566,11 @@ > status =3D "okay"; > = > u2phy0_otg: otg-port { > - phy-supply =3D <&vcc5v0_typec0>; > status =3D "okay"; > }; > = > u2phy0_host: host-port { > - phy-supply =3D <&vcc5v0_host>; > + phy-supply =3D <&vcc5v0_typec0>; > status =3D "okay"; > }; > }; > @@ -620,7 +620,7 @@ > = > &usbdrd_dwc3_0 { > status =3D "okay"; > - dr_mode =3D "otg"; > + dr_mode =3D "host"; > }; > = > &usbdrd3_1 { > =