From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris LaRocque Date: Thu, 31 Dec 2015 18:51:12 -0500 Subject: [Buildroot] updating the beaglebone black defconfig References: <1451505684.3162125.479430882.4C107C58@webmail.messagingengine.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Craig Swank wrote: > Hi Chris, > Have you been able to confirm overlays (and the device-tree) work with > buildroot and beagleboard/linux? > > When 'echo BB-W1-P9.12 > /sys/devices/platform/bone_capemgr/slots' the > w1-gpio module should get loaded and it doesn't. My overlay works as > expected on a Robert Nelson debian beagle bone, so the overlay is not > the problem. He also confirmed that his overlay works with > beagleboard/linux, so the kernel isn't the problem either. > > I'm just curious if you've tried a custom overlay yourself and had > success. > > Craig > > > On Wed, Dec 30, 2015, at 10:34 AM, Chris LaRocque wrote: >> Hello >> >> I'm working to update the beaglebone defconfig to kernel 4.1.13 ti 36 >> branch >> (github.com/beagleboard/linux). >> >> The build works but I want to incorporate a patched version of DTC >> (github.com/pantoniou/dtc/tree/dt-overlays5) to support the cape manager >> and >> device tree overlay changes. At this pont I'd appreciate some guidance. >> >> My first thought was to simply patch the buildroot dtc package files to >> pull >> from the new location. This looks to be the most direct, probably only >> requiring that place the file in board/beaglebone/patches/dtc? >> >> Second, try to dynamically create a patch for the mainline dtc to the >> bb.org >> fork. Haven't thought this through yet. A pointer or two would be >> appreciated. I thought to use 'git diff'? >> >> Regards >> >> Chris >> >> _______________________________________________ >> buildroot mailing list >> buildroot at busybox.net >> http://lists.busybox.net/mailman/listinfo/buildroot > > Hi Craig Yes, I've built overlays and they work. I've not tried having the driver auto load though. I always ensured the driver I needed was loaded before I pushed the overlay to cape manager. FYI You need a patched version of DTC for the 4.1 kernel. I've got the patch ready for buildroot review and I should be able to push it up in an hour or so. C