Re: [PATCH 1/3] dt-bindings: pinctrl: samsung: use Exynos7 fallbacks for newer wake-up controllers

From: Conor Dooley
Date: Thu Nov 23 2023 - 12:42:29 EST


On Wed, Nov 22, 2023 at 09:04:05PM +0100, Krzysztof Kozlowski wrote:
> Older ARM8 SoCs like Exynos5433, Exynos7 and Exynos7885 have the pin
> controller with wake-up interrupts muxed, thus the wake-up interrupt
> controller device node has interrupts property, while its pin banks
> might not (because they are muxed by the wake-up controller).
>
> Newer SoCs like Exynos850 and ExynosAutov9 do not used muxed wake-up
> interrupts:
> 1. Wake-up interrupt controller device node has no interrupts,
> 2. Its pin banks have interrupts (since there is no muxing).
>
> Their programming interface is however still compatible with Exynos7,
> thus change the bindings to express this: retain compatibility with
> Exynos7 and add new compatibility fallback of Exynos850 in newer
> designs.
>
> No driver changes are needed. This is necessary only to properly
> describe DTS.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Cheers,
Conor.

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