Messages in this thread | | | Date | Thu, 13 Jun 2013 07:10:01 -0700 | From | Tony Lindgren <> | Subject | Re: N900 device tree conversion: how to do first step |
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* Pavel Machek <pavel@ucw.cz> [130613 06:32]: > Hi! > > > > I'd like to convert Nokia N900 to device tree. > > > > > > Unfortunately, serial port is not easily available (very special cable > > > would be needed, does someone know where to get one?) and I don't have > > > BDI (and very special cable would be needed, too). > > > > > > So I tried doing very small first step, hoping that I get booting > > > system... obviously I did not. > > > > The following works for me, it's enough to boot and get the USB networking > > working. After that I can connect to the device with ssh. I don't use > > serial either, I just have initramfs with busybox+dropbear with hardcoded > > interface setup. > > Nice.... thanks a lot. > > Did you get video to work with the device tree? That's what I'd like > to accomplish now.
The DSS code is still using pdata, see mach-omap2/dss-common.[ch].
> If I init spi manually (and some more hacks), it works in the > qemu. But I have not tested on real hw for a while.
You should be able to initialize spi by adding the .dts entry, or is there something missing in drivers/spi/spi-omap2-mcspi.c?
Regards,
Tony
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