[query] IMX6 DTS : Device node with two interrupt parents

[Shawn Guo]

Copy devicetree-discuss ...

On Wed, Mar 27, 2013 at 08:40:58AM +0530, Pankaj Chauhan wrote:
> All,
> 
> I have a query for adding device node in dts of board based on IMX6.
> On the board i have a controller whole interrupt lines are connected
> to interruptible GPIOs. But problem is out of three interrupt lines
> two are connected to gpio4 and one is connected to gpio5, which means
> i have two interrupt parents to specify in device node. My node looks
> something like this:
> 
> queue-group at 0 {
> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					reg-names = "queue-group0";
> +					reg = <0x0d480000 0x1000>;
> +					interrupts = <11 0 27 0 26 0>;
> +                                      interrupt-parent = <&gpio4>;
> +				};
> 
> here 27 and 26 are on gpio4 but 11 is on gpio5.  Is there a way to
> specify multiple interrupt parents? what is the correct way to handle
> such configuration.

You may want to check how interrupt-map works.  See ePAPR v1.1
2.4.3 Interrupt Nexus Properties for details.

Shawn