From: <[email protected]> Reply-To: <[email protected]> Date: Wednesday, March 5, 2014 at 8:54 AM To: <[email protected]> Cc: <[email protected]> Subject: [beagleboard] Re: AM335x Device Tree Overlay
> Hello Porkupan, > > Thank you for your fast answer ! > I searched in the meta-ti > linux-ti-staging kernel > (git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git), and I didn't found it. > > Does somebody know which files and dependencies are required to implement it ? > > Le mercredi 5 mars 2014 17:11:19 UTC+1, porkupan a écrit : >> I am not an expert, but I would guess that if your system didn't implement >> capemgr, you won't be able to load device tree overlays. I would assume the >> capemgr would be an integral part of all kernels above 3.8, but I may be >> wrong. If you still use the device tree, you can edit the >> am335x-bone-common.dtsi or am335x-boneblack.dts directly, and add the >> appropriate "fragments" from the overlay source into the appropriate stanzas. >> Then recompile the dtb, and copy it onto your board. Rather use the extension .dtsi for your overlay and then in the am-335x-boneblack.dts add /include/ ³your overlay.dtsi². Make your overlay the last /include/ Regards John >> >> Otherwise you would have to implement/enable the capemgr. >> >> On Wednesday, March 5, 2014 10:24:28 AM UTC-5, [email protected] wrote: >>> Hello, >>> >>> I'm using Yocto with [meta-ti] to create images for the Ti's AM335x EVM >>> Starter Kit or a Beaglebone black (linux-ti-staging 3.12.10) >>> >>> Since last days everything went perfectly fine, but I've now some issues >>> with the device tree. >>> >>> I created a device tree overlay (dtbo file) to enable SPI0 and now I'm >>> looking how can I load this overlay during the runtime. I saw that the >>> beaglebone team created a capemgr system to load dtbo dynamically (based on >>> the I2C EEPROM data of the cape). >>> >>> My question is, how can I load my overlay on my linux who didn't implement >>> the capemgr... Is there a standard way to do that ? It should be possible I >>> guess, but I'm not a device tree specialist. >>> >>> Thank you in advance for your help ! >>> >>> Best regards >>> >>> Piziwate > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
