From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CED1159596; Mon, 11 Nov 2024 21:38:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731361122; cv=none; b=Yww5xVUMPqHs22JU6tmTJWm+Ne8uwMlVYCzMbT1WCXrqUlvN0Ziq9zQjwALtsPRo48d84tRz59UYsKltSmPAuIgofX7l68Fzpz77lI+XOtDul9tvd8RZMPLJmiTK9cLvqwZvznxKp4yM2tO+weOXdYLbFiy116/eFmT52vV2ihg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731361122; c=relaxed/simple; bh=m/TDhMtNe8dgzkyLbvsV8g5cdyk3fhi1g/TB0QQFibo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=p6UZX/0YE6JEXAbdcC4m3d1OgeEgf41ody93s3gMVGo6KveoyZoN+WjwrKXEXkzTa0nmL5wx1uAPxhntKcgZ7VKKRv76YM05LZ4jPP+lR8iapjFAVG+HKzOBWtTjqZxo0EaoAaLuDAqEs+fPKZovvKSSLOsoeAH1HF6zfNBmwqs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mUDhXPMX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mUDhXPMX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDDD7C4CECF; Mon, 11 Nov 2024 21:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731361121; bh=m/TDhMtNe8dgzkyLbvsV8g5cdyk3fhi1g/TB0QQFibo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mUDhXPMXJi7xkPdiyG60uSnJVK8oNKDHySdqZjFSv5Ihs3SKgf3IfV5kjPFygDViS F8mdwYvJllf1rMjyoIfC94kvQoD4xBQo240StoPEOl3piE+oy2aZSct51zuFeIM4/m oU0KIRHzkiKjHMgieJuOkXTrm34KgUent7S+T9bjpJVEGic0L0gb5zslDhGBiImgXB +n2F0yY5M3qxyt7Awek2hl+fJ1pALE5XToAoO+O/NQW+F5xUBtU+CAYJcmBCOYBZIN cksyzblelM249615Q/MfiN6AIPm3v9ktOqRcFon52BHuY3clXXnaPDYHlEdF06KWTe 5CAX1kc4CYzZA== Date: Mon, 11 Nov 2024 15:38:38 -0600 From: Rob Herring To: Markus Burri Cc: linux-kernel@vger.kernel.org, Dmitry Torokhov , Krzysztof Kozlowski , Conor Dooley , Marek Vasut , linux-input@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v2 5/7] dt-bindings: input: matrix_keypad - add settle time after enable all columns Message-ID: <20241111213838.GA1990975-robh@kernel.org> References: <20241031063004.69956-1-markus.burri@mt.com> <20241105130322.213623-1-markus.burri@mt.com> <20241105130322.213623-6-markus.burri@mt.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241105130322.213623-6-markus.burri@mt.com> On Tue, Nov 05, 2024 at 02:03:20PM +0100, Markus Burri wrote: > matrix_keypad with high capacity need a longer settle time after enable > all columns. > Add optional property to specify the settle time > > Signed-off-by: Markus Burri > --- > .../devicetree/bindings/input/gpio-matrix-keypad.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml > index 9ea66b3..0ce89a6 100644 > --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml > +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml > @@ -66,6 +66,12 @@ properties: > before we can scan keypad after activating column gpio. > default: 0 > > + all-cols-on-delay-us: > + description: | Don't need '|'. > + Delay, measured in microseconds, that is needed > + after activating all column gpios. Wrap at 80 char. > + default: 0 > + > drive-inactive-cols: > type: boolean > description: | > -- > 2.39.5 >