Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-26 Thread Jason Kridner
On Thu, Jun 26, 2014 at 9:06 AM, Tom Rini wrote: > On 06/26/2014 03:50 AM, Tony Lindgren wrote: >> * Gupta, Pekon [140618 01:52]: >>> Hi, >>> From: Jason Kridner [mailto:jkrid...@gmail.com] > On Tue, Jun 17, 2014 at 3:11 AM, Gupta, Pekon wrote: >> From: Jason Kridner >>> [...] >

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-26 Thread Tom Rini
On 06/26/2014 03:50 AM, Tony Lindgren wrote: > * Gupta, Pekon [140618 01:52]: >> Hi, >> >>> From: Jason Kridner [mailto:jkrid...@gmail.com] On Tue, Jun 17, 2014 at 3:11 AM, Gupta, Pekon wrote: > From: Jason Kridner >> [...] >> * The devicetree sources, including the primary boot .dts

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-26 Thread Tony Lindgren
* Gupta, Pekon [140618 01:52]: > Hi, > > >From: Jason Kridner [mailto:jkrid...@gmail.com] > >>On Tue, Jun 17, 2014 at 3:11 AM, Gupta, Pekon wrote: > >>>From: Jason Kridner > [...] > * The devicetree sources, including the primary boot .dts files, will > eventually be removed from the k

RE: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-18 Thread Gupta, Pekon
Hi, >From: Jason Kridner [mailto:jkrid...@gmail.com] >>On Tue, Jun 17, 2014 at 3:11 AM, Gupta, Pekon wrote: >>>From: Jason Kridner [...] * The devicetree sources, including the primary boot .dts files, will eventually be removed from the kernel source tree. I'm not too sure if and

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Pantelis Antoniou
Hi Rusell, On Jun 17, 2014, at 8:41 PM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 08:10:46PM +0300, Pantelis Antoniou wrote: >> Hi Russell, >> >> On Jun 17, 2014, at 8:05 PM, Russell King - ARM Linux wrote: >>> DRM is not hotpluggable in any shape or form, and David Airlie has >>

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Tue, Jun 17, 2014 at 08:10:46PM +0300, Pantelis Antoniou wrote: > Hi Russell, > > On Jun 17, 2014, at 8:05 PM, Russell King - ARM Linux wrote: > > DRM is not hotpluggable in any shape or form, and David Airlie has > > indicated that he does strongly opposes moving it in that direction. > > > >

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Pantelis Antoniou
Hi Russell, On Jun 17, 2014, at 8:05 PM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 07:59:21PM +0300, Pantelis Antoniou wrote: >> That case might already work on FPGA people's trees. I know Altera for sure >> uses overlays, and some xilinx guys popped up on past discussions. >> The

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Tue, Jun 17, 2014 at 07:59:21PM +0300, Pantelis Antoniou wrote: > That case might already work on FPGA people's trees. I know Altera for sure > uses overlays, and some xilinx guys popped up on past discussions. > Their vendor trees probably use an older revision of the patches. > > BTW, there i

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Pantelis Antoniou
Hi Russell, On Jun 17, 2014, at 7:01 PM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 04:32:11PM +0300, Pantelis Antoniou wrote: >> The complexity is absolutely required, and it has nothing to do with >> beaglebone capes. >> >> The fact of the matter is that reconfigurable hardware

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Jason Kridner
On Tue, Jun 17, 2014 at 3:11 AM, Gupta, Pekon wrote: > Hi Jason, > >>From: Jason Kridner >> >>Adding devicetree and linux-arm-kernel lists based on feedback on IRC... >> >>On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: >>> I'd like to discuss moving our current library of cape devicetree

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Jason Kridner
On Tue, Jun 17, 2014 at 12:01 PM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 04:32:11PM +0300, Pantelis Antoniou wrote: >> The complexity is absolutely required, and it has nothing to do with >> beaglebone capes. >> >> The fact of the matter is that reconfigurable hardware is here,

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Tue, Jun 17, 2014 at 04:32:11PM +0300, Pantelis Antoniou wrote: > The complexity is absolutely required, and it has nothing to do with > beaglebone capes. > > The fact of the matter is that reconfigurable hardware is here, on > shipping system, and we, as the linux kernel community have to make

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Tom Rini
On 06/17/2014 08:56 AM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 08:37:09AM -0400, Tom Rini wrote: >> On 06/17/2014 05:09 AM, Russell King - ARM Linux wrote: >>> A good way that this could have been done is to put an I2C EEPROM on >>> each cape, and have that store the DT fragment.

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Iain Paton
On 17/06/14 10:09, Russell King - ARM Linux wrote: > Why should kernel developers go to the extent of adding support for DT > modification at runtime when the platform you want this for doesn't even > support hotplugging of these capes? I'm not convinced you should, but Grant Likely seemed to be

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Grant Likely
On Tue, 17 Jun 2014 10:09:31 +0100, Russell King - ARM Linux wrote: > On Mon, Jun 16, 2014 at 09:22:50AM -0400, Jason Kridner wrote: > > Adding devicetree and linux-arm-kernel lists based on feedback on IRC... > > > > On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: > > > I'd like to disc

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Vladimir Pantelic
On 06/17/2014 11:09 AM, Russell King - ARM Linux wrote: Here's the most obvious question in the world on this topic. Are capes hot-pluggable? "capes" as in Beaglebone capes might not be due to the mechanical constraints you listed. "capes" as a concept of pluggable hardware might well be.

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Pantelis Antoniou
Hi Russell, CCing gcl. On Jun 17, 2014, at 4:15 PM, Russell King - ARM Linux wrote: > On Tue, Jun 17, 2014 at 08:58:31AM -0400, Matt Porter wrote: >> On Tue, Jun 17, 2014 at 10:09:31AM +0100, Russell King wrote: >>> Why should kernel developers go to the extent of adding support for DT >>> modif

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Matt Porter
On Tue, Jun 17, 2014 at 02:15:22PM +0100, Russell King wrote: > On Tue, Jun 17, 2014 at 08:58:31AM -0400, Matt Porter wrote: > > On Tue, Jun 17, 2014 at 10:09:31AM +0100, Russell King wrote: > > > Why should kernel developers go to the extent of adding support for DT > > > modification at runtime w

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Tue, Jun 17, 2014 at 08:58:31AM -0400, Matt Porter wrote: > On Tue, Jun 17, 2014 at 10:09:31AM +0100, Russell King wrote: > > Why should kernel developers go to the extent of adding support for DT > > modification at runtime when the platform you want this for doesn't even > > support hotpluggin

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Matt Porter
On Tue, Jun 17, 2014 at 10:09:31AM +0100, Russell King wrote: > On Mon, Jun 16, 2014 at 09:22:50AM -0400, Jason Kridner wrote: > > Adding devicetree and linux-arm-kernel lists based on feedback on IRC... > > > > On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: > > > I'd like to discuss movi

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Tue, Jun 17, 2014 at 08:37:09AM -0400, Tom Rini wrote: > On 06/17/2014 05:09 AM, Russell King - ARM Linux wrote: > > A good way that this could have been done is to put an I2C EEPROM on > > each cape, and have that store the DT fragment. The boot loader could > > have then read that from each c

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Tom Rini
On 06/17/2014 05:09 AM, Russell King - ARM Linux wrote: > On Mon, Jun 16, 2014 at 09:22:50AM -0400, Jason Kridner wrote: >> Adding devicetree and linux-arm-kernel lists based on feedback on IRC... >> >> On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: >>> I'd like to discuss moving our curre

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Russell King - ARM Linux
On Mon, Jun 16, 2014 at 09:22:50AM -0400, Jason Kridner wrote: > Adding devicetree and linux-arm-kernel lists based on feedback on IRC... > > On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: > > I'd like to discuss moving our current library of cape devicetree > > overlay sources into a sin

RE: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-17 Thread Gupta, Pekon
Hi Jason, >From: Jason Kridner > >Adding devicetree and linux-arm-kernel lists based on feedback on IRC... > >On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: >> I'd like to discuss moving our current library of cape devicetree >> overlay sources into a single tree, including the boot .dtb

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-16 Thread Jason Kridner
Adding devicetree and linux-arm-kernel lists based on feedback on IRC... On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: > I'd like to discuss moving our current library of cape devicetree > overlay sources into a single tree, including the boot .dtb files for > BeagleBoard.org boards and

Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards

2014-06-10 Thread Jason Kridner
Adding devicetree and linux-arm-kernel lists based on feedback on IRC... On Tue, Jun 10, 2014 at 12:46 PM, Jason Kridner wrote: > I'd like to discuss moving our current library of cape devicetree > overlay sources into a single tree, including the boot .dtb files for > BeagleBoard.org boards and