[PATCH v7 4/6] dt-bindings: iio: Add adis16550 bindings

Robert Budai
2025-02-11T19:59:02Z

Document the ADIS16550 device devicetree bindings.

Co-developed-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Signed-off-by: Robert Budai <robert.budai@analog.com>
---

v7:
- dropped clock-frequency binding as suggested

.../bindings/iio/imu/adi,adis16550.yaml | 73 +++++++++++++++++++
MAINTAINERS | 10 +++
2 files changed, 83 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/imu/adi,adis16550.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/adi,adis16550.yaml b/Documentation/devicetree/bindings/iio/imu/adi,adis16550.yaml
new file mode 100644
index 000000000..b55cd0f7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/adi,adis16550.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/imu/adi,adis16550.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADIS16550 and similar IMUs
+
+maintainers:
+ - Nuno Sa <nuno.sa@analog.com>
+ - Ramona Gradinariu <ramona.gradinariu@analog.com>
+ - Antoniu Miclaus <antoniu.miclaus@analog.com>
+ - Robert Budai <robert.budai@analog.com>
+
+properties:
+ compatible:
+ enum:
+ - adi,adis16550
+
+ reg:
+ maxItems: 1
+
+ spi-cpha: true
+ spi-cpol: true
+
+ spi-max-frequency:
+ maximum: 15000000
+
+ vdd-supply: true
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ description:
+ Must be the device tree identifier of the RESET pin. If specified,
+ it will be asserted during driver probe. As the line is active low,
+ it should be marked GPIO_ACTIVE_LOW.
+ maxItems: 1
+
+ clocks:
+ description: If not provided, then the internal clock is used.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - spi-cpha
+ - spi-cpol
+ - spi-max-frequency
+ - vdd-supply
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+additionalProperties: false
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ imu@0 {
+ compatible = "adi,adis16550";
+ reg = <0>;
+ spi-max-frequency = <15000000>;
+ spi-cpol;
+ spi-cpha;
+ vdd-supply = <&vdd>;
+ interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpio>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 25c86f473..d3e6258fa 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1485,6 +1485,16 @@ W: https://ez.analog.com/linux-software-drivers
F: Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml
F: drivers/iio/imu/adis16475.c

+ANALOG DEVICES INC ADIS16550 DRIVER
+M: Nuno Sa <nuno.sa@analog.com>
+M: Ramona Gradinariu <ramona.gradinariu@analog.com>
+M: Antoniu Miclaus <antoniu.miclaus@analog.com>
+M: Robert Budai <robert.budai@analog.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/imu/adi,adis16550.yaml
+
ANALOG DEVICES INC ADM1177 DRIVER
M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-hwmon@vger.kernel.org
--
2.34.1