linux-kernel - Re: [PATCH 1/2] dt-bindings: mmc: mmc-pwrseq-simple: add support for reset control

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Message-ID: <20241005182632.GA496820-robh@kernel.org>
Date: Sat, 5 Oct 2024 13:26:32 -0500
From: Rob Herring <robh@...nel.org>
To: Catalin Popescu <catalin.popescu@...ca-geosystems.com>
Cc: ulf.hansson@...aro.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	p.zabel@...gutronix.de, linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	m.felsch@...gutronix.de, bsp-development.geo@...ca-geosystems.com
Subject: Re: [PATCH 1/2] dt-bindings: mmc: mmc-pwrseq-simple: add support for
 reset control

On Fri, Oct 04, 2024 at 02:07:39PM +0200, Catalin Popescu wrote:
> Add compatible value "mmc-pwrseq-simple-reset" to support reset control
> instead of gpios. Reset controls being refcounted, they allow to use
> shared resets or gpios across drivers. Support of reset control is
> limited to one single reset control.

Can't you do this without a binding change? Just use reset controls when 
there is only 1 GPIO.

> 
> Signed-off-by: Catalin Popescu <catalin.popescu@...ca-geosystems.com>
> ---
>  .../bindings/mmc/mmc-pwrseq-simple.yaml       | 21 +++++++++++++++++--
>  1 file changed, 19 insertions(+), 2 deletions(-)