From mboxrd@z Thu Jan 1 00:00:00 1970 From: bryan.wu@canonical.com (Bryan Wu) Date: Thu, 08 Apr 2010 14:41:30 +0800 Subject: devicetree in arm In-Reply-To: References: <20100318132358.GE19544@n2100.arm.linux.org.uk> <4BA28BF7.2080403@billgatliff.com> Message-ID: <4BBD7A9A.9090501@canonical.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Grant Likely wrote: > On Thu, Mar 18, 2010 at 2:24 PM, Bill Gatliff wrote: > >> Russell King - ARM Linux wrote: >> >>> On Thu, Mar 18, 2010 at 07:14:05AM -0600, Grant Likely wrote: >>> >>> >>>> ARM device tree support is very much in flux, and that particular >>>> branch gets rebased a lot as device tree code from Sparc, Microblaze >>>> and Powerpc is merged into drivers/of. I may have ended up pushing >>>> out to test-devicetree without the ARM patches applied. I'll look at >>>> it today, make sure the ARM stuff is all there, and then push it out >>>> again. >>>> >>>> Note however that this is only very basic support. It doesn't yet >>>> have the code needed to register devices and drivers from device tree >>>> data. That will be coming real-soon-now. >>>> >>>> >>> Is someone going to do a device tree example port to a 'real' platform >>> rather than simple the ARM evaluation boards? >>> >>> As I've said previously, I'm not going to accept device tree stuff until >>> I see a working implementation on a set of real platforms. >>> >>> >> I can give it a spin on a couple of the boards I have here. I'm already >> using device trees on my PPC platforms. >> > > Hi Bill. I've just pushed out my tree with a bit of the device tree > probing working on the versatile platform. It works with the QEMU > branch that Jeremy Kerr is maintaining. Here are the git trees, and > the web page that describes how to build it: > > git://git.secretlab.ca/git/linux-2.6 test-devicetree > git://git://kernel.ubuntu.com/jk/dt/qemu.git > https://wiki.ubuntu.com/KernelTeam/ARMDeviceTrees > > I've got stuff working on real hardware too, but it's not fully baked > yet. Right now qemu is the least trouble. > > g. > > Grant and Jeremy, I'm very happy to try that on my real Freescale i.MX51 board. Any hints about that? Cheers, -Bryan