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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>,
	Rob Herring <robh@kernel.org>,
	kernel@pengutronix.de, linux-kernel@vger.kernel.org,
	linux-input@vger.kernel.org, David Jander <david@protonic.nl>,
	devicetree@vger.kernel.org
Subject: [PATCH v6 2/4] dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property
Date: Tue, 25 May 2021 07:46:32 +0200	[thread overview]
Message-ID: <20210525054634.9134-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210525054634.9134-1-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>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../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


  parent reply	other threads:[~2021-05-25  5:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25  5:46 [PATCH v6 0/4] add z1 and z2 channels support for resistive-adc-touch driver Oleksij Rempel
2021-05-25  5:46 ` [PATCH v6 1/4] dt-bindings: touchscreen: Convert resistive-adc-touch binding to json schema Oleksij Rempel
2021-05-25  5:46 ` Oleksij Rempel [this message]
2021-05-25  5:46 ` [PATCH v6 3/4] dt-bindings: touchscreen: resistive-adc-touch: add support for z1 and z2 channels Oleksij Rempel
2021-05-25  5:46 ` [PATCH v6 4/4] Input: " Oleksij Rempel
2021-05-25 20:06 ` [PATCH v6 0/4] add z1 and z2 channels support for resistive-adc-touch driver Dmitry Torokhov
2021-06-02 11:15 ` Eugen.Hristev
2021-06-07  9:22   ` Oleksij Rempel

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