Messages in this thread | | | From | Stephen Warren <> | Date | Wed, 23 Nov 2011 09:25:36 -0800 | Subject | RE: [PATCH] arm/tegra: convert tegra20 to GIC devicetree binding |
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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
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