Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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* vagrantc wonders what's left with mainline to enable USB on the cubieboard4
<vagrantc> is there something particularly different from the other A80 board (optimus) which has USB enabled?
<wens> vagrantc: it has vbus wired in a weird way :/
<vagrantc> hrm.
<vagrantc> hopeless, or just old enough that there are more exciting, less frustrating things out now?
* vagrantc is happy to see the A83T Cubietruck Plus coming along
<wens> more or less that :)
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<aalm> hi
<aalm> how should usb hub be expressed in .dts, it has vbus regulator already in use, but i need the hub enabled too? :/
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<aalm> some old .fex i found for the board has "usb_hub_vcc_en_gpio = port:PB09<1><0><default><0>", and toggling it from uboot does work, but i'd rather fix this in .dts if possible?
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<codekipp1r> anarsoul: I am now!
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<wens> can't seem to get h3 otg to work in peripheral mode in u-boot
<KotCzarny> in linux it requires to load any g_* module
<KotCzarny> maybe it's related
<wens> the proper messages (gadget loaded, musb in gadget mode started) appear, it's just nothing's happening on the other end
<wens> when I put it in fastboot, no USB device appears
<KotCzarny> btw. wens, you hav bpi-r1, right? could you check what usb vbus it has? either via sys file or with multimeter
<wens> KotCzarny: what do you mean?
<KotCzarny> 31.4C PMU: 27.2C 4.801V CPU: 312 AC: 0.486A 4.903V CHG: 0.0A BAT: 0.000A 4.091V VBUS: 0.000A 5.348V
<KotCzarny> on mine usb voltage is way to high
<wens> oh
<KotCzarny> fried ssd because of that :/
<wens> ouch
<KotCzarny> i didnt find out for a long time, because it was working fine, only after reboot it didnt show up anymore
<junnie> wens: I already make ums work in uboot. You may need this change.
<junnie> #if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I)
<junnie> -#define SUNXI_USBPHY_BASE 0x01c19000
<junnie> +#define SUNXI_USBPHY_BASE 0x01c19400
<junnie> -#define SUNXI_USB0_BASE 0x01c1a000
<junnie> +#define SUNXI_USB0_BASE 0x01c19000
<wens> USBPHY_BASE shouldn't need to be changed
<junnie> I need this change to make it work. Maybe it is due to board difference.
<wens> ums as a gadget?
<wens> argh, it's USB0_BASE
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<junnie> Suppose so. I remember usb download gadget is needed for ums.
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<wens> KotCzarny: I don't have it hooked up right now, so you'll have to wait until next week
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<wens> KotCzarny: looking at the resistor values from the schematic, it should be around 5.2x V
<KotCzarny> wens, urgh
<KotCzarny> can you check the actual V on your board?
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<wens> KotCzarny: drifting around 5.24 ~ 5.28
<KotCzarny> hrrm
<KotCzarny> i wonder why it is higher here
<wens> bad resistor?
<KotCzarny> which one?
<wens> no idea, either one could be off
<wens> R1 and R2 next to the voltage booster
<KotCzarny> hmm, on page 7 of schematics vbus is fed directly from vcc-5v
<wens> uhm, which micro usb port are you using to power the board? :)
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<KotCzarny> o.o i think the dc-in one
<KotCzarny> let me check
<wens> the one closer to the corner is ac-in, the one closer to the RJ45 ports is usb0
<KotCzarny> the one closer to the edge
<wens> and you how did you get vbus? by having an otg cable plugged in? otherwise vbus should be 0
<KotCzarny> i just measure voltage on usb port (normal one, not otg)
<wens> ok
<KotCzarny> and via sysfs via /sys/power/axp_pmu/vbus/voltage
<KotCzarny> both values are similar, ie over 5.3V
<KotCzarny> so i assume it's the right value reported
<wens> normal usb vbus is still 5.2x on mine
<wens> so the 5v boost is probably a bit off on yours
<KotCzarny> on which page of schematics is vboost?
<wens> page 12
<wens> bottom half, there's IPSOUT to VCC-5V, with an IC in the middle
<KotCzarny> thanks
<KotCzarny> hmm, but its only for usb otg, no?
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<yKotCzarn> eh.
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<yKotCzarn> removing li-ion resulted in reboot
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<yKotCzarn> didnt change vbus though
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<yKotCzarn> umkay. breaking time.
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<apritzel> so are you sure that the higher USB voltage is actually a problem? because this might just be the voltage without any load
<apritzel> on some of my USB power supplies I measure 5.3V, without anything connected
<apritzel> but as soon as I draw some current, this drops
<pmpp> sure but does not change the fact that noload 5.3x is out of specs, so what to expect under load ...
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<KotCzarny> apritzel: it's without any load now because i've disconnected anything from this board, but when ssd was connected it was the same value
<KotCzarny> and it's not a charger that would float voltages under load, because it's a line out of pmu
<wens> KotCzarny: all 5v on that board is provided by the booster
<KotCzarny> uh, does it mean whole board is powered by out-of-spec voltage/
<wens> KotCzarny: well, it's might be possible that your power supply is feeding a really high voltage
<KotCzarny> no
<KotCzarny> it feeds proper 5V
<wens> KotCzarny: the pmic only switches power to ipsout. it's not regulated
<KotCzarny> (it's adjustable and i've measured it with and without loads)
<wens> well then I guess the booster circuit is off
<KotCzarny> yeah, i'm in the process of dismantling my setup to measure those resistors
<KotCzarny> thanks for confirming it's something with my board
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<HepoH> mripard: in matter of my question about DRM, I talk about custom chip, which just use mali350. Thus I use DRM that has been implemented by 4.1 except atomic. I just wanna know -- is atomic a necessary require for the correct driver working? Sorry for my english and this delay with reply, I'm newbie in all of this stuff. Hope for your patience
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<KotCzarny> hmm, r22 is 88k (should be 100k1%) and r26 is 152k (should be 200k1%)
<mripard> HepoH: no, atomic is not needed
<mripard> HepoH: but then, if it's not an Allwinner chip, maybe here is not the best place to ask ?
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<KotCzarny> measured vcc-5V on u15, its over 5.3V
<KotCzarny> ipsout is 4.97v on u16 tho
<KotCzarny> could it be the case of dying d5 ?
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<KotCzarny> yeah, 5V on gpio header is also 5.35V
<KotCzarny> shall i just forget about battery and microusb dcin and just use gpio for powering/
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<KotCzarny> hmm, powering through battery connector has one big downside, requires button press to power on
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<KotCzarny> also, doesnt change the situation, vcc-5v is still 5.35v, even when powering via battery connector with 4.7v
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<wens> still sounds more like an incorrect resistor value
<KotCzarny> which pair? r73/75 or r26/22 ?
<KotCzarny> 75/73 are nearby u15
<KotCzarny> R73 12.2k (13k)
<KotCzarny> R75 80.9k (100k)
<KotCzarny> 100/13=7.7, 81/12=6.6
<KotCzarny> can i just desolder both and u15 will pass ipsout unchanged?
<KotCzarny> or it works differently?
<KotCzarny> erm. s/u15/u16/
<KotCzarny> how would that chip behave without fb connected?
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<wens> probably bonkers
<KotCzarny> yeah, if i knew soldering at that tiny scale i would've just ripped the u16 out and just passed ipsout into vcc-5v
<KotCzarny> ho hum. or pass dcin into gpio pin 2
<KotCzarny> though it might not be good idea, scratch that
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<KotCzarny> apparently vcc-5v is only used for: usb, gpio-5v, hdmi-5v
<KotCzarny> that's why board didnt fry itself yet
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<KotCzarny> out of curiosity checked dram-vcc, it's fine (1.53V)
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<rodrigoaguilera> Hello
<rodrigoaguilera> I just changed my bananapipro a20 to a 4.15-rc2 kernel in the hope that HDMI audio is mainlined
<rodrigoaguilera> HDMI display works great. I wanna help and specify the audio bit in the wiki. Should I just create a user?
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<rodrigoaguilera> Thanks IgorPec . I Don't know much about armbian build process but shouldn't I have this change in the 4.15-rc2 armbian kernel I installed today?
<IgorPec> on 4.14.y
<rodrigoaguilera> ok, great. I will test again
<IgorPec> we are building stable branch on 4.14.y ... it has better support than upstream
<IgorPec> but i am not sure video driver with HDMI is adjusted for A20. It is for H3
<IgorPec> all this stuff is WIP :(
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<anarsoul> codekipp1r: wens: I tried https://github.com/codekipper/linux-sunxi/commit/4c5fe5f5576cfbb2e1e94a99cd19dfdc9403ea50 and it works fine for me without hardcoding WSS now
<anarsoul> and with proper BCLK / LRCK ratio
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