RE: [PATCH v2 28/28] arm64: dts: exynos: use dedicated wake-up pinctrl compatible in ExynosAutov9
From: Chanho Park
Date: Wed Jan 12 2022 - 00:29:09 EST
> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
> Sent: Wednesday, January 12, 2022 5:17 AM
> To: Tomasz Figa <tomasz.figa@xxxxxxxxx>; Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxxxxx>; Sylwester Nawrocki
> <s.nawrocki@xxxxxxxxxxx>; Linus Walleij <linus.walleij@xxxxxxxxxx>; Rob
> Herring <robh+dt@xxxxxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> samsung-soc@xxxxxxxxxxxxxxx; linux-gpio@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>; Sam Protsenko
> <semen.protsenko@xxxxxxxxxx>; Chanho Park <chanho61.park@xxxxxxxxxxx>;
> Alim Akhtar <alim.akhtar@xxxxxxxxx>
> Subject: [PATCH v2 28/28] arm64: dts: exynos: use dedicated wake-up
> pinctrl compatible in ExynosAutov9
>
> Older Samsung Exynos SoC pin controller nodes (Exynos3250, Exynos4,
> Exynos5, Exynos5433) with external wake-up interrupts, expected to have
> one interrupt for multiplexing these wake-up interrupts. Also they
> expected to have exactly one pin controller capable of external wake-up
> interrupts.
>
> It seems however that newer ARMv8 Exynos SoC like Exynos850 and
> ExynosAutov9 have differences:
> 1. No multiplexed external wake-up interrupt, only direct, 2. More than
> one pin controller capable of external wake-up interrupts.
>
> Use dedicated ExynosAutov9 compatible for its external wake-up interrupts
> controller to indicate the differences.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Reviewed-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
And you can also put
Tested-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
Best Regards,
Chanho Park