[PATCH] arm/tegra: convert tegra20 to GIC devicetree binding
Stephen Warren
swarren at nvidia.com
Wed Nov 23 12:25:36 EST 2011
Peter De Schrijver wrote at Tuesday, November 22, 2011 10:00 PM:
...
> I think we need to model the GPIO IRQs as a seperate interrupt controller.
> That way the WM8903 node can refer to the GPIO IRQ as an IRQ without
> hardcoding the global interrupt number, similar to the way we specify the
> SPI number in the device nodes and not the global interrupt number.
Yes, you're right.
I'd originally thought that the GPIO IRQs fed directly into the GIC, but
now that I read the docs, I see that the GPIO controller really is an
interrupt aggregator/controller.
--
nvpublic
More information about the linux-arm-kernel
mailing list