Re: [PATCH 0/6] Introducing Device Tree Overlays
From: Pantelis Antoniou
Date: Thu Feb 21 2013 - 16:53:41 EST
On Feb 21, 2013, at 1:25 PM, delicious quinoa wrote:
> I like where this is heading. I'm interested in a use case where IP
> can be loaded into a FPGA, then add a blob to the device tree and load
> some drivers.
> I see your github tree. If I wanted to cherry-pick your code and play
> around with it, which branch should I use? not-capebus-21?
not-capebus-v21 is the latest one and indeed that has it in.
Please note that I had some other FPGA people interested with it.
Perhaps we can go through use cases to come up with your requirements
> Alan Tull
> Altera Corp
> On Fri, Jan 4, 2013 at 1:31 PM, Pantelis Antoniou
> <panto@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>> The following patchset introduces Device Tree overlays, a method
>> of dynamically altering the kernel's live Device Tree.
>> This patchset is against mainline as of Friday Jan 4 2013.
>> (4956964 Merge tag 'driver-core-3.8-rc2' of \
>> Note that a separate patch for the DTC compiler has been posted and
>> is required to compile the DTS files according to the documentation.
>> The patch is "dtc: Dynamic symbols & fixup support"
>> An implementation patchset for a beaglebone cape loader will follow,
>> but if you want to check out a working kernel for the beaglebone please
>> pull from:
>> git://github.com/pantoniou/linux-bbxm.git branch not-capebus-v8
>> Pantelis Antoniou (6):
>> OF: Introduce device tree node flag helpers.
>> OF: export of_property_notify
>> OF: Export all DT proc update functions
>> OF: Introduce utility helper functions
>> OF: Introduce Device Tree resolve support.
>> OF: Introduce DT overlay support.
>> .../devicetree/dynamic-resolution-notes.txt | 25 +
>> Documentation/devicetree/overlay-notes.txt | 179 +++++
>> drivers/of/Kconfig | 19 +
>> drivers/of/Makefile | 4 +-
>> drivers/of/base.c | 114 +--
>> drivers/of/overlay.c | 831 +++++++++++++++++++++
>> drivers/of/resolver.c | 394 ++++++++++
>> drivers/of/util.c | 253 +++++++
>> include/linux/of.h | 243 ++++++
>> 9 files changed, 2005 insertions(+), 57 deletions(-)
>> create mode 100644 Documentation/devicetree/dynamic-resolution-notes.txt
>> create mode 100644 Documentation/devicetree/overlay-notes.txt
>> create mode 100644 drivers/of/overlay.c
>> create mode 100644 drivers/of/resolver.c
>> create mode 100644 drivers/of/util.c
>> devicetree-discuss mailing list
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