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

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Message-ID: <20250211175706.276987-5-robert.budai@analog.com>
Date: Tue, 11 Feb 2025 19:57:01 +0200
From: Robert Budai <robert.budai@...log.com>
To: Nuno Sa <nuno.sa@...log.com>,
        Ramona Gradinariu
	<ramona.gradinariu@...log.com>,
        Antoniu Miclaus <antoniu.miclaus@...log.com>,
        Robert Budai <robert.budai@...log.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Jonathan Cameron
	<jic23@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Jonathan Corbet
	<corbet@....net>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>
Subject: [PATCH v7 4/6] dt-bindings: iio: Add adis16550 bindings

Document the ADIS16550 device devicetree bindings.

Co-developed-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@...log.com>
Signed-off-by: Robert Budai <robert.budai@...log.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@...log.com>
+  - Ramona Gradinariu <ramona.gradinariu@...log.com>
+  - Antoniu Miclaus <antoniu.miclaus@...log.com>
+  - Robert Budai <robert.budai@...log.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@...log.com>
+M:	Ramona Gradinariu <ramona.gradinariu@...log.com>
+M:	Antoniu Miclaus <antoniu.miclaus@...log.com>
+M:	Robert Budai <robert.budai@...log.com>
+L:	linux-iio@...r.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@...log.com>
 L:	linux-hwmon@...r.kernel.org
-- 
2.34.1