From: Hugo Villeneuve <hugo@hugovil.com>
To: robin@protonic.nl, andy@kernel.org, geert@linux-m68k.org,
robh@kernel.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
Cc: 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, hugo@hugovil.com
Subject: [PATCH v3 2/4] dt-bindings: input: add settling-time-us common property
Date: Wed, 25 Feb 2026 10:53:59 -0500 [thread overview]
Message-ID: <20260225155409.612478-3-hugo@hugovil.com> (raw)
In-Reply-To: <20260225155409.612478-1-hugo@hugovil.com>
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 502e0b7eb500..14652d324e2c 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.
+ default: 0
+
dependencies:
linux,input-type: [ "linux,code" ]
--
2.47.3
next prev parent reply other threads:[~2026-02-25 15:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 15:53 [PATCH v3 0/4] input: add GPIO-based charlieplex keypad Hugo Villeneuve
2026-02-25 15:53 ` [PATCH v3 1/4] dt-bindings: input: add debounce-delay-ms common property Hugo Villeneuve
2026-02-25 15:53 ` Hugo Villeneuve [this message]
2026-02-25 15:54 ` [PATCH v3 3/4] dt-bindings: input: add GPIO charlieplex keypad Hugo Villeneuve
2026-02-26 9:32 ` Geert Uytterhoeven
2026-02-26 14:48 ` Hugo Villeneuve
2026-02-26 15:35 ` Hugo Villeneuve
2026-02-25 15:54 ` [PATCH v3 4/4] Input: charlieplex_keypad: " Hugo Villeneuve
2026-02-25 16:12 ` Andy Shevchenko
2026-02-25 16:41 ` Hugo Villeneuve
2026-02-25 16:56 ` Hugo Villeneuve
2026-02-25 17:14 ` Dmitry Torokhov
2026-02-25 17:21 ` Andy Shevchenko
2026-02-25 17:36 ` Hugo Villeneuve
2026-02-25 17:12 ` Dmitry Torokhov
2026-02-25 17:27 ` Hugo Villeneuve
2026-02-26 9:20 ` [PATCH v3 0/4] input: add GPIO-based " Geert Uytterhoeven
2026-02-26 14:27 ` Hugo Villeneuve
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