linux-kernel - [PATCH 1/3] dt-bindings: iio: pressure: add binding for mpl3115

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Message-Id: <20250921133327.123726-2-apokusinski01@gmail.com>
Date: Sun, 21 Sep 2025 15:33:26 +0200
From: Antoni Pokusinski <apokusinski01@...il.com>
To: jic23@...nel.org,
	dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux@...ck-us.net,
	rodrigo.gobbi.7@...il.com,
	naresh.solanki@...ements.com,
	michal.simek@....com,
	grantpeltier93@...il.com,
	farouk.bouabid@...rry.de,
	marcelo.schmitt1@...il.com,
	Antoni Pokusinski <apokusinski01@...il.com>
Subject: [PATCH 1/3] dt-bindings: iio: pressure: add binding for mpl3115

MPL3115 is an I2C pressure and temperature sensor. It features 2
interrupt lines which can be configured to indicate events such as data
ready or pressure/temperature threshold reached.

Signed-off-by: Antoni Pokusinski <apokusinski01@...il.com>
---
 .../bindings/iio/pressure/fsl,mpl3115.yaml    | 63 +++++++++++++++++++
 .../devicetree/bindings/trivial-devices.yaml  |  2 -
 2 files changed, 63 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/pressure/fsl,mpl3115.yaml

diff --git a/Documentation/devicetree/bindings/iio/pressure/fsl,mpl3115.yaml b/Documentation/devicetree/bindings/iio/pressure/fsl,mpl3115.yaml
new file mode 100644
index 000000000000..9e21eae7acc7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/pressure/fsl,mpl3115.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/pressure/fsl,mpl3115.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MPL3115 precision pressure sensor with altimetry
+
+maintainers:
+  - Antoni Pokusinski <apokusinski01@...il.com>
+
+description: |
+  MPL3115 is a pressure/altitude and temperature sensor with I2C interface.
+  It features two programmable interrupt lines which indicate events such as
+  data ready or pressure/temperature threshold reached.
+  https://www.nxp.com/docs/en/data-sheet/MPL3115A2.pdf
+
+properties:
+  compatible:
+    const: fsl,mpl3115
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      enum:
+        - INT1
+        - INT2
+
+  drive-open-drain:
+    type: boolean
+    description:
+      set if the specified interrupt pins should be configured as
+      open drain. If not set, defaults to push-pull.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pressure@60 {
+            compatible = "fsl,mpl3115";
+            reg = <0x60>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+            interrupt-names = "INT2";
+        };
+    };
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index f3dd18681aa6..918d4a12d61c 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -113,8 +113,6 @@ properties:
           - fsl,mma7660
             # MMA8450Q: Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer
           - fsl,mma8450
-            # MPL3115: Absolute Digital Pressure Sensor
-          - fsl,mpl3115
             # MPR121: Proximity Capacitive Touch Sensor Controller
           - fsl,mpr121
             # Honeywell Humidicon HIH-6130 humidity/temperature sensor
-- 
2.25.1