[RFC PATCH 6/7] dt-bindings: motion: Add adi,tmc5240 bindings

David Jander
2025-02-27T16:29:58Z

Add device-tree bindings for Analog Devices TMC5240 stepper controllers.

Signed-off-by: David Jander <david@protonic.nl>
---
.../bindings/motion/adi,tmc5240.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/motion/adi,tmc5240.yaml

diff --git a/Documentation/devicetree/bindings/motion/adi,tmc5240.yaml b/Documentation/devicetree/bindings/motion/adi,tmc5240.yaml
new file mode 100644
index 000000000000..3364f9dfccb1
--- /dev/null
+++ b/Documentation/devicetree/bindings/motion/adi,tmc5240.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/motion/adi,tmc5240.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices TMC5240 Stepper Motor controller
+
+maintainers:
+ - David Jander <david@protonic>
+
+description: |
+ Stepper motor controller with motion engine and SPI interface.
+
+properties:
+ compatible:
+ enum:
+ - adi,tmc5240
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ enable-supply:
+ description: Optional external enable supply to control SLEEPn pin. Can
+ be shared between several controllers.
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+ - $ref: /schemas/motion/common.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ motor@0 {
+ compatible = "adi,tmc5240";
+ reg = <0>;
+ interrupts-extended = <&gpiok 7 0>;
+ clocks = <&clock_tmc5240>;
+ enable-supply = <&stpsleepn>;
+ spi-max-frequency = <1000000>;
+ };
+ };
+
--
2.47.2