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<
rperier>
hi, are you able to start u-boot SPL via usb with rkflashtool ? (u-boot-rockchip mainline, master branch)
<
rperier>
that's basically the same process as described in doc/README.rockchip
<
rperier>
the SPL is not loaded here
<
rperier>
(on a rock2)
<
rperier>
oh, I get something displayed now... weird :/
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<
mijk>
omg it was such an enourmous pain but I finally got the dtb file extracted and converted to dts
<
mijk>
I ended up having to used TWRP on the device because they use a weird unrecognizable format for the firmware image
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<
mijk>
phh: I was able to find all the spi and i2c aliases. I searched all of them in the repository and there is code for all of it.
<
phh>
it's not the aliases you want, it's the trees
<
phh>
they contain the list of devices plugged on i2c/spi busses
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<
mijk>
I'm not sure how to find the trees then
<
phh>
can you pastebin your dts?
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<
phh>
right, so you can see i2c1 = i2c@20072000, so at i2c@20072000 you see the various devices like rk818
<
phh>
though please note that rk818 has status = "disabled" so you don't care
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<
phh>
so, your pmic is the act8931
<
phh>
you have a gs_mc3230 or a gs_mxc6225 (accelerometer)
<
phh>
oh that sucks
<
phh>
your touchscreen is a zet6221-ts
<
phh>
never heard of it
<
mijk>
wouldn't care if I couldn't use the touchscreen
<
mijk>
I'd use a bluetooth mouse
<
phh>
hum this tablet has bluetooth?
<
phh>
i'm not seeing it in the dts :s
<
mijk>
pretty sure I remember seeing it
<
phh>
the wifi chip declared in the dts is a esp8089
<
phh>
which is wifi-only, no bt
<
mijk>
I must be mistaken then
<
phh>
ah your screen is an lvds one, right
<
mijk>
I honestly don't knwo
<
mijk>
I haven't opened it up
<
phh>
and try to look for differences
<
mijk>
so I download the Makefile one step up too?
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<
mijk>
I didn't find any mention of pmic in the dts file
<
mijk>
hmm, only thing I needed to change was the wifi
<
phh>
pmic = power manager IC, it is the thingy that provides regulated voltages to the various ICs of the board
<
phh>
but check the act8931 section of your dts
<
phh>
what do you mean you "needed" it means you already got the kernel to boot?
<
mijk>
no, I replaced the wifi section with esp8089
<
mijk>
it was set to use a rtlxxxxx one
<
mijk>
act8931 isn't found in the dts file
<
phh>
in the dts file you provided on pastebin
<
mijk>
I thought I had to edit the one from github
<
phh>
you have to edit the one from github
<
phh>
with the stuff you have in your own dts
<
mijk>
yeah that's what I did
<
mijk>
the only thing I couldn't find in the dts on github was the pmic
<
mijk>
there wasn't anything to edit from
<
phh>
well as I've already mentioned, other files are included from that dts
<
phh>
and here it declares rk818 and act8931
<
phh>
so for act8931 you should be good
<
phh>
also 86v includes lcd-86v-rgb1024x600.dtsi
<
phh>
and you might want to copy/rename it to match your lcd timings
<
mijk>
okay so, better to copy that entire folder and subdirectory to make the dts file then
<
phh>
erm not really
<
phh>
some aren't supposed to be changed
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<
mijk>
rk312x-sdk.dts doesn't exist on the repo
<
mijk>
but rk3126-sdk.dts does
<
mijk>
make doesn't work
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<
mijk>
I assume I need to make [something]
<
phh>
well you need to setup an arm toolchain
<
phh>
then make rockchip_defconfig then make
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<
mijk>
phh: make:
*** No rule to make target 'rockchip_defconfig'. Stop.
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<
phh>
mijk: right you need ARCH=arm and CROSS_COMPILE= set for your cross compiler
<
phh>
and looks like it's rockchip_linux_defconfig, rockchip_defconfig seems to be for android
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