linux-kernel - [PATCH v1 2/2] dt-bindings: iio: accel: kxcjk1013: Document mount-matrix property

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Message-Id: <20200112203301.30235-2-digetx@gmail.com>
Date:   Sun, 12 Jan 2020 23:33:01 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Robert Yang <decatf@...il.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] dt-bindings: iio: accel: kxcjk1013: Document mount-matrix property

The generic IIO mount-matrix property conveys physical orientation of the
hardware chip.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../devicetree/bindings/iio/accel/kionix,kxcjk1013.txt     | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt b/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt
index eb76a02e2a82..ce950e162d5d 100644
--- a/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt
+++ b/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt
@@ -9,9 +9,16 @@ Required properties:
     "kionix,kxtf9"
  - reg: i2c slave address
 
+Optional properties:
+
+  - mount-matrix: an optional 3x3 mounting rotation matrix
+
 Example:
 
 kxtf9@f {
 	compatible = "kionix,kxtf9";
 	reg = <0x0F>;
+	mount-matrix =	"0", "1", "0",
+			"1", "0", "0",
+			"0", "0", "1";
 };
-- 
2.24.0