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@xxxxxxxxx> applied for 5.3 Thanks Heiko _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
