Hi, On Mon, Apr 23, 2018 at 04:37:33PM +0200, Giulio Benetti wrote: > Il 22/03/2018 19:05, Maxime Ripard ha scritto: > > On Wed, Mar 21, 2018 at 09:03:13PM +0100, Giulio Benetti wrote: > > > The A20-Linova1-7 HMI, also called Q027_2_F which is printed on production > > > label, is an industrial Human Machine Interface. > > > It features: > > > - 512MB DDR RAM > > > - 1 Sd-card >= 4GB > > > - 1 Usb otg(programmable via software) with A-Usb Connector > > > - 1 Usb host > > > - 1 Buzzer > > > - 1 Input for LiPo > > > - 1 Relay to signal absence of power supply > > > - 1 External Rtc with 56 bytes of ram + CR2032 battery > > > - 1 7" 24-bits Tft 800x480 with PCap on > > > - 1 Mono audio 1-watt amplifier > > > - 1 RS485 port > > > - 1 Power On Line through +12Vdc reaching 57.600baud, > > > from where it can be supplied and placed in a network of 50 units > > > - exposed jtag pins > > > > > > HMI is supplied from +12Vdc. > > > Ethernet is absent, so for debugging, need to enable rndis on Usb otg > > > port through an A-A usb cable. > > > It comes in different flavours for connector types and can be found with > > > umounted features as requested by customers. > > > > So this is essentially the same board than in patch 6, but with a > > different screen? > > > > You should have a single DT then, and handle the two different panels > > using DT overlays. > > Ok for having different DT overlays. > But do I have to submit them as patches? Or keep them in my company's repo? > I ask you this because this involves sending also patches for displays > and other little modifications to mainline ex: > - rgb888 pins > - 2 simple-panels > - 1 uart iomux pins > etc. > > If I don't submit those overlays, the other patches wouldn't make sense > alone as I've seen, just like rgb888 pins.
We don't have a repo for overlays yet
> > > +&usb_otg {
> > > + dr_mode = "otg";
> >
> > You're saying that this is a USB-A connector? Then it's not OTG since
> > it doesn't have an ID pin, this is an host.
>
> Right, with a special overlay I will activate Usb Device for RNDIS,
> so modified as host
That doesn't really make much sense. The USB OTG is wired only using a
daughter board?
> One last question:
> now I have some patch already reviewed-by.
> Do I have to re-submit entire patchset?
Yes
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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