[PATCH 0/2] Add bcm2835aux interrupt controller

Stefan Wahren stefan.wahren at i2se.com
Wed Jun 7 13:37:38 PDT 2017

Hi Phil,

> Phil Elwell <phil at raspberrypi.org> hat am 7. Juni 2017 um 13:11 geschrieben:
> Devices in the AUX block share a common interrupt line, with a register
> indicating which devices have active IRQs. Expose this as a nested
> interrupt controller to avoid IRQ sharing problems (easily observed if
> UART1 and SPI1/2 are enabled simultaneously).
> The interrupt functionality could arguably be forked off as a separate
> irqchip driver, but the clock driver has already claimed the AUX_IRQ
> register so some driver and DT surgery would still be required.
> Eric Anholt thought that including it here is reasonable, but I'm
> prepared to split it out if this is considered too hacky.

in order to give the maintainers (e.g. irqchip) a chance, they should be included into CC.

> Phil Elwell (2):
>   clk: bcm2835: Add AUX interrupt controller

Either way the dt-binding must be updated as a separate patch. So Rob can review it.

Thanks for submitting this upstream.


>   ARM: dts: bcm283x: Enable AUX interrupt controller
>  arch/arm/boot/dts/bcm283x.dtsi    |  12 +++-
>  drivers/clk/bcm/clk-bcm2835-aux.c | 120 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 129 insertions(+), 3 deletions(-)
> -- 
> 1.9.1

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