[PATCH RFC v4 1/6] dt-bindings: iio: add Open Sensor Fusion device

From: Jinseob Kim

Date: Sun Jun 07 2026 - 19:45:32 EST


Describe the OSF sensor aggregation hub.

Use the generic opensensorfusion,osf compatible.

Signed-off-by: Jinseob Kim <kimjinseob88@xxxxxxxxx>
---
.../iio/imu/opensensorfusion,osf-green.yaml | 43 -------------------
.../bindings/iio/opensensorfusion,osf.yaml | 43 +++++++++++++++++++
MAINTAINERS | 27 ++++++------
3 files changed, 57 insertions(+), 56 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/iio/imu/opensensorfusion,osf-green.yaml
create mode 100644 Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/opensensorfusion,osf-green.yaml b/Documentation/devicetree/bindings/iio/imu/opensensorfusion,osf-green.yaml
deleted file mode 100644
index 626b41fb0..000000000
--- a/Documentation/devicetree/bindings/iio/imu/opensensorfusion,osf-green.yaml
+++ /dev/null
@@ -1,43 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/iio/imu/opensensorfusion,osf-green.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: OSF GREEN sensor aggregation board
-
-maintainers:
- - Jinseob Kim <kimjinseob88@xxxxxxxxx>
-
-description: |
- OSF GREEN is an STM32F405-based sensor aggregation board from the Open
- Sensor Fusion open hardware project. It sends OSF0 capability, status, and
- sample frames to a host over a UART link.
-
- Open Sensor Fusion is not a generic industry standard. Public project and
- hardware documentation is available at:
-
- https://github.com/opensensorfusion
- https://github.com/opensensorfusion/opensensorfusion-hardware
-
-allOf:
- - $ref: /schemas/serial/serial-peripheral-props.yaml#
-
-properties:
- compatible:
- const: opensensorfusion,osf-green
-
-required:
- - compatible
-
-unevaluatedProperties: false
-
-examples:
- - |
- serial {
- sensor {
- compatible = "opensensorfusion,osf-green";
- };
- };
-
-...
diff --git a/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml b/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml
new file mode 100644
index 000000000..a4049715a
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/opensensorfusion,osf.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Open Sensor Fusion Sensor Aggregation Hub
+
+maintainers:
+ - Jinseob Kim <kimjinseob88@xxxxxxxxx>
+
+description: |
+ Open Sensor Fusion is a sensor aggregation hub. The hub exposes an OSF
+ protocol data stream over its host interface and may report capabilities and
+ samples for multiple sensor classes. The Linux driver discovers the actual
+ sensor channels from OSF capability reports instead of describing those
+ sensors in Device Tree.
+
+ Open Sensor Fusion is not a generic industry standard. Public project
+ documentation is available at:
+
+ https://github.com/opensensorfusion
+
+allOf:
+ - $ref: /schemas/serial/serial-peripheral-props.yaml#
+
+properties:
+ compatible:
+ const: opensensorfusion,osf
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ serial {
+ sensor {
+ compatible = "opensensorfusion,osf";
+ };
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 56181470d..e227b9aff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19977,19 +19977,6 @@ F: Documentation/networking/oa-tc6-framework.rst
F: drivers/net/ethernet/oa_tc6.c
F: include/linux/oa_tc6.h

-OPEN SENSOR FUSION IIO DRIVER
-M: Jinseob Kim <kimjinseob88@xxxxxxxxx>
-S: Maintained
-F: Documentation/devicetree/bindings/iio/imu/opensensorfusion,osf-green.yaml
-F: Documentation/iio/open-sensor-fusion-protocol-v0.rst
-F: drivers/iio/opensensorfusion/Kconfig
-F: drivers/iio/opensensorfusion/Makefile
-F: drivers/iio/opensensorfusion/osf_core.*
-F: drivers/iio/opensensorfusion/osf_iio.*
-F: drivers/iio/opensensorfusion/osf_protocol.*
-F: drivers/iio/opensensorfusion/osf_serdev.c
-F: drivers/iio/opensensorfusion/osf_stream.*
-
OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Rob Herring <robh@xxxxxxxxxx>
M: Saravana Kannan <saravanak@xxxxxxxxxx>
@@ -20024,6 +20011,20 @@ F: Documentation/devicetree/
F: arch/*/boot/dts/
F: include/dt-bindings/

+OPEN SENSOR FUSION IIO DRIVER
+M: Jinseob Kim <kimjinseob88@xxxxxxxxx>
+S: Maintained
+F: Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml
+F: Documentation/iio/open-sensor-fusion-protocol-v0.rst
+F: drivers/iio/opensensorfusion/Kconfig
+F: drivers/iio/opensensorfusion/Makefile
+F: drivers/iio/opensensorfusion/osf_core.*
+F: drivers/iio/opensensorfusion/osf_iio.*
+F: drivers/iio/opensensorfusion/osf_protocol.*
+F: drivers/iio/opensensorfusion/osf_serdev.c
+F: drivers/iio/opensensorfusion/osf_stream.*
+
+
OPENCOMPUTE PTP CLOCK DRIVER
M: Vadim Fedorenko <vadim.fedorenko@xxxxxxxxx>
L: netdev@xxxxxxxxxxxxxxx
--
2.43.0