From: Rob Herring <robh@kernel.org>
To: Hugo Villeneuve <hugo@hugovil.com>
Cc: robin@protonic.nl, andy@kernel.org, geert@linux-m68k.org,
krzk+dt@kernel.org, conor+dt@kernel.org,
dmitry.torokhov@gmail.com, hvilleneuve@dimonoff.com,
mkorpershoek@kernel.org, matthias.bgg@gmail.com,
angelogioacchino.delregno@collabora.com, lee@kernel.org,
alexander.sverdlin@gmail.com, marek.vasut@gmail.com,
akurz@blala.de, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v4 2/4] dt-bindings: input: add settling-time-us common property
Date: Thu, 12 Mar 2026 10:02:10 -0500 [thread overview]
Message-ID: <20260312150210.GA3121485-robh@kernel.org> (raw)
In-Reply-To: <20260305192101.2125660-3-hugo@hugovil.com>
On Thu, Mar 05, 2026 at 02:20:48PM -0500, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
>
> Add common property that can be reused by other bindings.
>
> Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
> ---
> Note: a similar property is used by gpio-matrix-keypad.yaml:
> col-scan-delay-us
> ---
> Documentation/devicetree/bindings/input/input.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/input/input.yaml b/Documentation/devicetree/bindings/input/input.yaml
> index 502e0b7eb500a..14652d324e2ca 100644
> --- a/Documentation/devicetree/bindings/input/input.yaml
> +++ b/Documentation/devicetree/bindings/input/input.yaml
> @@ -66,6 +66,14 @@ properties:
> reset automatically. Device with key pressed reset feature can specify
> this property.
>
> + settling-time-us:
> + description:
> + Delay, in microseconds, when activating an output line/col/row GPIO
> + before we can reliably read other input GPIOs that maybe affected by this
> + output. This can be the case for an output with a RC circuit that affects
> + ramp-up/down times.
Whether it is GPIOs or not depends on the implementation. Just drop
'GPIO' and replace 'GPIOs' with 'lines'.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Rob
next prev parent reply other threads:[~2026-03-12 15:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-05 19:20 [PATCH v4 0/4] input: add GPIO-based charlieplex keypad Hugo Villeneuve
2026-03-05 19:20 ` [PATCH v4 1/4] dt-bindings: input: add debounce-delay-ms common property Hugo Villeneuve
2026-03-12 15:03 ` Rob Herring (Arm)
2026-03-05 19:20 ` [PATCH v4 2/4] dt-bindings: input: add settling-time-us " Hugo Villeneuve
2026-03-12 15:02 ` Rob Herring [this message]
2026-03-12 15:44 ` Hugo Villeneuve
2026-03-05 19:20 ` [PATCH v4 3/4] dt-bindings: input: add GPIO charlieplex keypad Hugo Villeneuve
2026-03-12 15:02 ` Rob Herring (Arm)
2026-03-05 19:20 ` [PATCH v4 4/4] Input: charlieplex_keypad: " Hugo Villeneuve
2026-03-06 14:21 ` Andy Shevchenko
2026-03-10 18:37 ` Dmitry Torokhov
2026-03-10 19:18 ` Andy Shevchenko
2026-03-11 14:26 ` Hugo Villeneuve
2026-03-12 16:12 ` Hugo Villeneuve
2026-03-05 19:23 ` [PATCH v4 0/4] input: add GPIO-based " Hugo Villeneuve
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260312150210.GA3121485-robh@kernel.org \
--to=robh@kernel.org \
--cc=akurz@blala.de \
--cc=alexander.sverdlin@gmail.com \
--cc=andy@kernel.org \
--cc=angelogioacchino.delregno@collabora.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=geert@linux-m68k.org \
--cc=hugo@hugovil.com \
--cc=hvilleneuve@dimonoff.com \
--cc=krzk+dt@kernel.org \
--cc=lee@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=marek.vasut@gmail.com \
--cc=matthias.bgg@gmail.com \
--cc=mkorpershoek@kernel.org \
--cc=robin@protonic.nl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.