linux-kernel - [PATCH 1/2] dt-bindings: iio: magnetometer: add ti tmag5273 documentation file

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Message-Id: <20221115073718.2377311-2-gerald.loacker@wolfvision.net>
Date:   Tue, 15 Nov 2022 08:37:17 +0100
From:   Gerald Loacker <gerald.loacker@...fvision.net>
To:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Jakob Hauser <jahau@...ketmail.com>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Gerald Loacker <gerald.loacker@...fvision.net>
Subject: [PATCH 1/2] dt-bindings: iio: magnetometer: add ti tmag5273 documentation file

Add bindings documentation file for TI TMAG5273.

Signed-off-by: Gerald Loacker <gerald.loacker@...fvision.net>
---
 .../iio/magnetometer/ti,tmag5273.yaml         | 72 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml

diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml b/Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml
new file mode 100644
index 000000000000..2f5b0a4d2f40
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/magnetometer/ti,tmag5273.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI TMAG5273 Low-Power Linear 3D Hall-Effect Sensor
+
+maintainers:
+  - Gerald Loacker <gerald.loacker@...fvision.net>
+
+description:
+  The TI TMAG5273 is a low-power linear 3D Hall-effect sensor. This device
+  integrates three independent Hall-effect sensors in the X, Y, and Z axes.
+  The device has an integrated temperature sensor available. The TMAG5273
+  can be configured through the I2C interface to enable any combination of
+  magnetic axes and temperature measurements. An integrated angle calculation
+  engine (CORDIC) provides full 360° angular position information for both
+  on-axis and off-axis angle measurement topologies. The angle calculation is
+  performed using two user-selected magnetic axes.
+
+properties:
+  $nodename:
+    pattern: '^magnetometer@[0-9a-f]+$'
+
+  compatible:
+    const: ti,tmag5273
+
+  reg:
+    maxItems: 1
+
+  "#io-channel-cells":
+    const: 1
+
+  ti,angle-enable:
+    description:
+      Enables angle measurement in the selected plane.
+      0 = OFF
+      1 = X-Y (default)
+      2 = Y-Z
+      3 = X-Z
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 3
+
+  vcc-supply:
+    description:
+      A regulator providing 1.7 V to 3.6 V supply voltage on the VCC pin,
+      typically 3.3 V.
+
+required:
+  - compatible
+  - reg
+  - vcc-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c-0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        magnetometer@35 {
+            compatible = "ti,tmag5273";
+            reg = <0x35>;
+            #io-channel-cells = <1>;
+            ti,angle-enable = <3>;
+            vcc-supply = <&vcc3v3>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index cf0f18502372..ea7acec52f8b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20613,6 +20613,12 @@ L:	alsa-devel@...a-project.org (moderated for non-subscribers)
 S:	Odd Fixes
 F:	sound/soc/codecs/tas571x*
 
+TI TMAG5273 MAGNETOMETER DRIVER
+M:	Gerald Loacker <gerald.loacker@...fvision.net>
+L:	linux-iio@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml
+
 TI TRF7970A NFC DRIVER
 M:	Mark Greer <mgreer@...malcreek.com>
 L:	linux-wireless@...r.kernel.org
-- 
2.37.2