[PATCH 3/5] drivers/amba: create devices from device tree
grant.likely at secretlab.ca
Thu Jun 23 16:55:06 EDT 2011
On Tue, Jun 21, 2011 at 2:07 PM, Rob Herring <robherring2 at gmail.com> wrote:
> On 06/21/2011 01:45 PM, Grant Likely wrote:
>> Add a function to create amba_devices (i.e. primecell peripherals)
>> from device tree nodes. The device tree scanning is done by the
>> of_platform_populate() function which can call of_amba_device_create
>> based on a match table entry.
>> Nodes with a "arm,primecell-periphid" property can override the h/w
>> peripheral id value.
>> Based on the original work by Jeremy Kerr.
>> Signed-off-by: Jeremy Kerr <jeremy.kerr at canonical.com>
>> Acked-by: Linus Walleij <linus.walleij at linaro.org>
>> Signed-off-by: Rob Herring <rob.herring at calxeda.com>
>> Reviewed-by: Arnd Bergmann <arnd at arndb.de>
>> [grant.likely: add Jeremy's original s-o-b line, changes from review
>> comments, and moved all code to drivers/of/platform.c]
>> Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
>> .../devicetree/bindings/arm/primecell.txt | 21 ++++++
>> drivers/of/platform.c | 71 ++++++++++++++++++++
>> 2 files changed, 92 insertions(+), 0 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/arm/primecell.txt
>> diff --git a/Documentation/devicetree/bindings/arm/primecell.txt b/Documentation/devicetree/bindings/arm/primecell.txt
>> new file mode 100644
>> index 0000000..1d5d7a8
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/arm/primecell.txt
>> @@ -0,0 +1,21 @@
>> +* ARM Primecell Peripherals
>> +ARM, Ltd. Primecell peripherals have a standard id register that can be used to
>> +identify the peripheral type, vendor, and revision. This value can be used for
>> +driver matching.
>> +Required properties:
>> +- compatible : should be a specific value for peripheral and "arm,primecell"
> Can I review what I wrote... Perhaps we should put strings in for all
> existing drivers in the kernel. This should be a complete list:
Yes, this whole list should be added.
More information about the linux-arm-kernel