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<raphari>
hi all, any way to stop rk818 from powering up the rk3399 when connecting to USB input?
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<nlhowell>
is anyone running mainline on the chromebook asus c101pa (google codename bob, rk3399)?
<DuClare>
Any idea what txsrtune might stand for?
<nlhowell>
DuClare: context?
<nlhowell>
tx might be transmit
<DuClare>
hsic (usb) interface
<DuClare>
Hmm google finds some chinese
<DuClare>
"output slew rate adjustment"
<nlhowell>
transmit slew rate tuning, i guess
<nlhowell>
from looking at the google results
<DuClare>
Yep
<DuClare>
All two of them :)
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<hanetzer>
nlhowell: not exactly, I am running mainline on kevin tho (close cousins)
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<nlhowell>
hanetzer: I see; I tried building mainline based off the chromeos config file, and only got a black screen
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<nlhowell>
hanetzer: (and using the dts from mainline)
<nlhowell>
did you use the same strategy?
<nlhowell>
I read that I can maybe get a serial debugger by connecting to another machine by usb
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<eballetbo[m]>
nlhowell: did you try to use the default arm64 defconfig? Should just work
<eballetbo[m]>
chromeos config has some symbols with different names
<hanetzer>
nlhowell: yeah, my config is based on the arm64 defconfig from the sys-kernel/gentoo-sources package (with extra platforms like sunxi removed)
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<DuClare>
Out of ideas.. I may have to give up :(
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<guthwine>
i have the rock64 running with kernel 5.0 rc 1, the lower usb 2 port is working, the upper one is buggy and usb 3 does not seem to work at all
<guthwine>
anz ideas how to fix?
<guthwine>
i guess editing the dtb could help, but I'm not familiar with that
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<mmind00>
guthwine: mainline usb3 on rk3328 is not done yet ... the rk3328 usb3phy has an issue detecting plugin-events after a previous devices was removed and nobody implemented that in a mainline compatble way yet
<anarsoul|2>
mmind00: btw, usb2 doesn't work for me either on mainline on rock64 (rk3328)
<anarsoul|2>
that's on 4.20
<anarsoul|2>
hdmi doesn't work either :(
<guthwine>
mmind00: and the upper usb2 port?, I also seem to have issues with USB devices beyond mouse and keyboard, like usb ethernet adapters
<guthwine>
anarsoul: try 5.0
<guthwine>
wprks for me
<anarsoul|2>
hdmi or usb?
<guthwine>
hdmi
<anarsoul|2>
ok, thanks
<mmind00>
anarsoul|2: the last hdmi parts only went in 5.0, so that is to be expected
<anarsoul|2>
I see
<mmind00>
one of the usb2 ports seems to go to the otg controller ... that _should_ work in theory
<anarsoul|2>
my usb flash drive wasn't detected in either port
<guthwine>
yes, i think it's the upper one, it at least detects if something is connected but the devices do not work
<mmind00>
so it's like a generic-ehci on one port and dwc2 on the other, not sure if that broke along the way somewhere
* anarsoul|2
never had good experience with dwc2
<mmind00>
I think nobody had
<aalm>
on anything, i think
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<anarsoul|2>
btw, any news on supporting LPDDR4 memory in u-boot ddr controller driver for rk3399?