linux-kernel - Re: [PATCH] i2c: muxes: pca954x: Allow sharing reset GPIO

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Message-ID: <34337634-5a34-4824-9779-bed99b1e213b@linaro.org>
Date: Thu, 11 Jan 2024 09:53:31 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>, peda@...ntia.se,
 p.zabel@...gutronix.de
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: muxes: pca954x: Allow sharing reset GPIO

On 08/01/2024 05:19, Chris Packham wrote:
> Some hardware designs with multiple PCA954x devices use a reset GPIO
> connected to all the muxes. Support this configuration by making use of
> the reset controller framework which can deal with the shared reset
> GPIOs. Fall back to the old GPIO descriptor method if the reset
> controller framework is not enabled.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> 
> Notes:
>     This patch goes on top of Krzysztof's series adding the GPIO based reset
>     controller[1]. With this I'm able to correctly describe my hardware
>     platform in the DTS and have the resets appropriately controlled.
>     
>     Krzysztof, I'd be really happy if you included this in your series (if
>     there is another round) but I'd also be OK with waiting until your
>     series is in and re-sending this after.

Sure, I can take send it together.

>     
>     [1] - https://lore.kernel.org/lkml/20240105155918.279657-1-krzysztof.kozlowski@linaro.org/
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof