Re: [PATCH v4 8/8] ARM: dts: r9a06g032: Add support for GPIO interrupts
From: Bartosz Golaszewski
Date: Mon Sep 22 2025 - 11:33:36 EST
On Mon, 22 Sep 2025 17:26:39 +0200, "Herve Codina (Schneider
Electric)" <herve.codina@xxxxxxxxxxx> said:
> In the RZ/N1 SoC, the GPIO interrupts are multiplexed using the GPIO
> Interrupt Multiplexer.
>
> Add the multiplexer node and connect GPIO interrupt lines to the
> multiplexer.
>
> The interrupt-map available in the multiplexer node has to be updated in
> dts files depending on the GPIO usage. Indeed, the usage of an interrupt
> for a GPIO is board dependent.
>
> Up to 8 GPIOs can be used as an interrupt line (one per multiplexer
> output interrupt).
>
> Signed-off-by: Herve Codina (Schneider Electric) <herve.codina@xxxxxxxxxxx>
> ---
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>