On Wed, Dec 10, 2008 at 6:04 PM, Gary Thomas <[EMAIL PROTECTED]> wrote:
> Benjamin Herrenschmidt wrote:
>> On Thu, 2008-12-04 at 06:51 -0700, Gary Thomas wrote:
>>> I have a MPC5200 based board which has an FPGA for external
>>> I/O, etc. This FPGA also funnels interrupts from the various
>>> external devices through to the CPU.
>>>
>>> I've defined this structure in my DTS:
>>>
>>> [EMAIL PROTECTED] {
>>> device_type = "board-control";
>>> #address-cells = <1>;
>>> #size-cells = <1>;
>>> // Note: includes sub-devices like CAN, A/D, etc
>>> reg = <0xf8000000 0x100000>;
>>>
>>> fpga_ic: [EMAIL PROTECTED] {
>>> device_type = "fpga-int-ctlr";
>>> interrupt-controller;
>>> #address-cells = <0>;
>>> #interrupt-cells = <2>;
>>> interrupts = <2 26 3>; // IRQ2
>
> BTW, this is wrong! Are the IRQ mappings on the MPC5200 documented
> somewhere? I've looked and looked without much joy. Only by
> experimentation did I discover that "<1 2 3>" corresponds to IRQ2.
http://www.nabble.com/-PATCH--powerpc-mpc5200:-Document-and-tidy-irq-driver-td20740376.html
This should be going in for 2.6.29. There is also some documentation
about it in Documentation/powerpc/mpc52xx-device-tree-bindings.txt
g.
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