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From: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
To: Vicente Bergas <vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Enric Balletbo i Serra
	<enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>,
	William wu <wulf-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2] arm64: rockchip: dts: sapphire: Fix USB3 Type-C.
Date: Thu, 27 Jun 2019 16:43:14 +0200	[thread overview]
Message-ID: <1797006.pDfq8pCYFf@phil> (raw)
In-Reply-To: <20190627131228.5223-1-vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Am Donnerstag, 27. Juni 2019, 15:12:28 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 = 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 <vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

applied for 5.3

Thanks
Heiko

      parent reply	other threads:[~2019-06-27 14:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-15  0:31 [PATCH v2] arm64: rockchip: dts: sapphire: Fix USB3 Type-C Vicente Bergas
     [not found] ` <4b759fa0-8fe9-4686-b5a7-b7a4e4564419-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-06-27 12:39   ` Heiko Stuebner
2019-06-27 13:12     ` Vicente Bergas
     [not found]       ` <20190627131228.5223-1-vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-06-27 14:43         ` Heiko Stuebner [this message]

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