From mboxrd@z Thu Jan 1 00:00:00 1970 From: grant.likely@secretlab.ca (Grant Likely) Date: Thu, 8 Apr 2010 00:58:09 -0600 Subject: devicetree in arm In-Reply-To: <4BBD7A9A.9090501@canonical.com> References: <20100318132358.GE19544@n2100.arm.linux.org.uk> <4BA28BF7.2080403@billgatliff.com> <4BBD7A9A.9090501@canonical.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Apr 8, 2010 at 12:41 AM, Bryan Wu wrote: > 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. > > Grant and Jeremy, > > I'm very happy to try that on my real Freescale i.MX51 board. Any hints > about that? Look at Jeremy's tree. He's got a bunch of i.MX51 patches based on top of my tree. Here's the git url: git://kernel.ubuntu.com/jk/dt/linux-2.6.git g.