ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | Wiki at http://linux-rockchip.info | Logs at http://irclog.whitequark.org/linux-rockchip | ML at http://groups.google.com/group/linux-rockchip
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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
<mijk> k
<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?
<mijk> yeah
<phh> i'm not seeing it in the dts :s
<mijk> pretty sure I remember seeing it
<mijk> oh lol
<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> so, now that you know all that, check https://github.com/rockchip-linux/kernel/blob/release-4.4/arch/arm/boot/dts/rk3126-86v.dts, copy it and rename it, change makefile to build your new dts
<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> yes you have
<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
<phh> right sorry
<mijk> make doesn't work
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<mijk> I assume I need to make [something]
<mijk> ?
<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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