linux-kernel - Re: [PATCH v2] dt-bindings: gpio: Create a trivial GPIO schema

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Message-ID: <20250715-hidden-marmoset-of-serenity-dcbfcc@krzk-bin>
Date: Tue, 15 Jul 2025 10:21:46 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>, 
	Bartosz Golaszewski <brgl@...ev.pl>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Keguang Zhang <keguang.zhang@...il.com>, 
	Heiko Stuebner <heiko@...ech.de>, Lee Jones <lee@...nel.org>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Nicholas Piggin <npiggin@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-mips@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] dt-bindings: gpio: Create a trivial GPIO schema

On Mon, Jul 14, 2025 at 03:19:51PM -0500, Rob Herring (Arm) wrote:
> Many simple GPIO controllers without interrupt capability have the same
> schema other than their compatible value. Combine all these bindings
> into a single schema. The criteria to be included here is must use 2
> cells, have no interrupt capability, have 0 or 1 "reg" entries, and
> have no other resources (like clocks).
> 
> Note that "ngpios" is now allowed in some cases it wasn't before and
> constraints on it have been dropped.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> ---
> We could also do this for ones with interrupts, but that seems a bit
> more varied.
> 
> v2:

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

Best regards,
Krzysztof