From: Tony Lindgren <tony@atomide.com> To: Pavel Machek <pavel@ucw.cz> Cc: Aaro Koskinen <aaro.koskinen@iki.fi>, pali.rohar@gmail.com, kernel list <linux-kernel@vger.kernel.org>, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>, linux-omap@vger.kernel.org Subject: Re: N900 device tree conversion: how to do first step Date: Thu, 13 Jun 2013 07:10:01 -0700 [thread overview] Message-ID: <20130613141001.GF8164@atomide.com> (raw) In-Reply-To: <20130613132624.GA3464@amd.pavel.ucw.cz> * 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
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren) To: linux-arm-kernel@lists.infradead.org Subject: N900 device tree conversion: how to do first step Date: Thu, 13 Jun 2013 07:10:01 -0700 [thread overview] Message-ID: <20130613141001.GF8164@atomide.com> (raw) In-Reply-To: <20130613132624.GA3464@amd.pavel.ucw.cz> * 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
next prev parent reply other threads:[~2013-06-13 14:10 UTC|newest] Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-06-09 1:59 N900 device tree conversion: how to do first step Pavel Machek 2013-06-09 1:59 ` Pavel Machek 2013-06-09 9:24 ` Pali Rohár 2013-06-09 9:24 ` Pali Rohár 2013-06-09 16:47 ` Pavel Machek 2013-06-09 16:47 ` Pavel Machek 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:30 ` Pavel Machek 2013-06-09 17:30 ` Pavel Machek 2013-06-09 20:11 ` Aaro Koskinen 2013-06-09 20:11 ` Aaro Koskinen 2013-06-13 13:26 ` Pavel Machek 2013-06-13 13:26 ` Pavel Machek 2013-06-13 14:10 ` Tony Lindgren [this message] 2013-06-13 14:10 ` Tony Lindgren 2013-06-13 14:28 ` Pavel Machek 2013-06-13 14:28 ` Pavel Machek 2013-06-13 14:57 ` Tony Lindgren 2013-06-13 14:57 ` Tony Lindgren 2013-06-13 15:52 ` Pavel Machek 2013-06-13 15:52 ` Pavel Machek 2013-06-13 16:14 ` Tony Lindgren 2013-06-13 16:14 ` Tony Lindgren 2013-06-13 23:08 ` Pavel Machek 2013-06-13 23:08 ` Pavel Machek 2013-06-14 5:56 ` Tony Lindgren 2013-06-14 5:56 ` Tony Lindgren 2013-06-14 21:28 ` Pavel Machek 2013-06-14 21:28 ` Pavel Machek 2013-06-17 11:10 ` Tony Lindgren 2013-06-17 11:10 ` Tony Lindgren 2013-06-27 12:12 ` N900 device tree conversion: next steps Pavel Machek 2013-07-01 14:03 ` [PATCH] N900: fix operation on emulator Pavel Machek 2013-07-01 14:03 ` Pavel Machek 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 19:51 ` Pavel Machek 2013-07-01 19:51 ` Pavel Machek 2013-07-01 20:00 ` Sergei Shtylyov 2013-07-01 20:00 ` Sergei Shtylyov 2013-07-01 20:53 ` Pavel Machek 2013-07-01 20:53 ` Pavel Machek 2013-07-01 21:15 ` [PATCH] N900: enable N900-specific drivers even if device tree is enabled Pavel Machek 2013-07-01 21:15 ` Pavel Machek 2013-07-04 11:47 ` Tony Lindgren 2013-07-04 11:47 ` Tony Lindgren 2013-07-01 21:17 ` [PATCH] N900: add device tree Pavel Machek 2013-07-01 21:17 ` Pavel Machek 2013-07-04 17:19 ` Aaro Koskinen 2013-07-04 17:19 ` Aaro Koskinen 2013-07-04 20:21 ` Pavel Machek 2013-07-04 20:21 ` Pavel Machek 2013-07-04 20:32 ` Aaro Koskinen 2013-07-04 20:32 ` Aaro Koskinen 2013-07-13 12:17 ` [PATCH v2] " Pavel Machek 2013-07-13 12:17 ` Pavel Machek 2013-07-14 22:28 ` Aaro Koskinen 2013-07-14 22:28 ` Aaro Koskinen 2013-07-28 13:44 ` Pavel Machek 2013-07-28 13:44 ` Pavel Machek 2013-08-01 23:43 ` Pavel Machek 2013-08-01 23:43 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:27 ` [PATCH] ARM: dts: omap3 / n900 support, Benoit please take me (was Re: [PATCH v2] N900: add device tree) Pavel Machek 2013-08-10 11:27 ` Pavel Machek 2013-08-10 11:46 ` [PATCH v2] N900: add device tree Belisko Marek 2013-08-10 11:46 ` Belisko Marek 2013-08-10 20:29 ` Jiri Kosina 2013-08-10 20:29 ` Jiri Kosina 2013-08-11 0:55 ` OMAP device tree maintainance (was Re: [PATCH v2] N900: add device tree) Pavel Machek 2013-08-11 0:55 ` Pavel Machek 2013-08-11 11:50 ` [PATCH v2] N900: add device tree Javier Martinez Canillas 2013-08-11 11:50 ` Javier Martinez Canillas 2013-08-11 13:47 ` Pavel Machek 2013-08-11 13:47 ` Pavel Machek 2013-08-11 13:47 ` Pavel Machek 2013-08-12 7:37 ` Tony Lindgren 2013-08-12 7:37 ` Tony Lindgren 2013-08-12 7:36 ` Tony Lindgren 2013-08-12 7:36 ` Tony Lindgren 2013-08-11 15:02 ` Javier Martinez Canillas 2013-08-11 15:02 ` Javier Martinez Canillas 2013-08-13 10:50 ` Benoit Cousson 2013-08-13 10:50 ` Benoit Cousson 2013-08-13 13:36 ` [PATCH v3] " Pavel Machek 2013-08-13 13:36 ` Pavel Machek 2013-08-13 14:06 ` Benoit Cousson 2013-08-13 14:06 ` Benoit Cousson 2013-06-26 15:14 ` N900 device tree conversion: first step Pavel Machek 2013-07-19 18:14 ` N900 device tree conversion: how to do " Sebastian Reichel 2013-07-19 18:14 ` Sebastian Reichel 2013-07-19 18:14 ` Sebastian Reichel 2013-07-28 13:37 ` Pavel Machek 2013-07-28 13:37 ` Pavel Machek
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20130613141001.GF8164@atomide.com \ --to=tony@atomide.com \ --cc=aaro.koskinen@iki.fi \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-omap@vger.kernel.org \ --cc=pali.rohar@gmail.com \ --cc=pavel@ucw.cz \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.