Grant,

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.k...@canonical.com>
> Acked-by: Linus Walleij <linus.wall...@linaro.org>
> Signed-off-by: Rob Herring <rob.herr...@calxeda.com>
> Reviewed-by: Arnd Bergmann <a...@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.lik...@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:

arm,pl010
arm,pl011
st,pl011
arm,pl022
st,pl022
st,pl023
arm,pl030
arm,pl031
st,pl031
arm,pl061
arm,pl050
arm,pl080
arm,pl081
st,pl080
arm,pl110
arm,pl180
arm,pl330
arm,sp804
arm,sp805


Otherwise, they may never get added.

Rob
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