Re: Writing Device Tree Source (DTS)

[Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>]

On Mon, Nov 23, 2009 at 02:27:44PM +0530, Kumar Amarjit wrote:
> Hi All,
> We are using PowerPc440 core on our Soc that consists of PCIe core, SAS core
> and many other things.
> We are writing DTS for our board to be used during booting, we have gone
> through various dts files available inside the Linux Kernel 2.6.31.
> Our board is closets match with Taishan board.
> While referring the Taishan.dts, we are unable to get the information
> regarding Interrupt-map and interrupt-map-mask property.
> Please refer to the snippet.......
> It would be great if anybody help me to understand the way they are writing
> these properties?
> I also gone through the DTS document booting-without-of but that does not
> help us, so anybody having any documents on How To Write DTS can help me
> out.

These properties are documented in ePAPR -- or you can look at the original
Open Firmware interrupt mapping recommended practice document plus the PCI
binding.

-Scott