From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
linux-input@vger.kernel.org, David Jander <david@protonic.nl>,
devicetree@vger.kernel.org
Subject: [PATCH v4 3/5] dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property
Date: Wed, 19 May 2021 11:42:19 +0200 [thread overview]
Message-ID: <20210519094221.27792-4-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210519094221.27792-1-o.rempel@pengutronix.de>
Te calculate the pressure on a restrictive touchscreen we need need to
know resistance at least of X plate. Some calculations need to use both
X and Y values.
So, add generic properties which can be used by all drivers
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
.../devicetree/bindings/input/touchscreen/touchscreen.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
index 057e1063759c..2d7b039ce47f 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
@@ -77,6 +77,12 @@ properties:
touchscreen-y-mm:
description: vertical length in mm of the touchscreen
+ touchscreen-x-plate-ohms:
+ description: Resistance of the X-plate in Ohms
+
+ touchscreen-y-plate-ohms:
+ description: Resistance of the Y-plate in Ohms
+
dependencies:
touchscreen-size-x: [ touchscreen-size-y ]
touchscreen-size-y: [ touchscreen-size-x ]
--
2.29.2
next prev parent reply other threads:[~2021-05-19 9:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 9:42 [PATCH v4 0/5] add z1 and z2 channels support for resistive-adc-touch driver Oleksij Rempel
2021-05-19 9:42 ` [PATCH v4 1/5] dt-bindings: touchscreen: validate nodename Oleksij Rempel
2021-05-19 15:29 ` Rob Herring
2021-05-19 9:42 ` [PATCH v4 2/5] dt-bindings: touchscreen: Convert resistive-adc-touch binding to json schema Oleksij Rempel
2021-05-21 1:35 ` Rob Herring
2021-05-19 9:42 ` Oleksij Rempel [this message]
2021-05-21 1:35 ` [PATCH v4 3/5] dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property Rob Herring
2021-05-19 9:42 ` [PATCH v4 4/5] dt-bindings: touchscreen: resistive-adc-touch: add support for z1 and z2 channels Oleksij Rempel
2021-05-21 1:36 ` Rob Herring
2021-05-19 9:42 ` [PATCH v4 5/5] Input: " Oleksij Rempel
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