Signed-off-by: Moritz Fischer <moritz.fischer@xxxxxxxxx>
---
.../devicetree/bindings/input/e3x0-button.txt | 25 ++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/e3x0-button.txt b/Documentation/devicetree/bindings/input/e3x0-button.txt
new file mode 100644
index 0000000..751665e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/e3x0-button.txt
@@ -0,0 +1,25 @@
+National Instruments Ettus Research USRP E3x0 button driver
+
+This module is part of the NI Ettus Research USRP E3x0 SDR.
+
+This module provides a simple power button event via two interrupts.
+
+Required properties:
+- compatible: should be one of the following
+ - "ettus,e3x0-button": For devices such as the NI Ettus Research USRP E3x0
+- interrupt-parent:
+ - a phandle to the interrupt controller that it is attached to.
+- interrupts: should be one of the following
+ - <0 30 1>, <0 31 1>: For devices such as the NI Ettus Research USRP E3x0
+- interrupt-names: should be one of the following
+ - "press", "release": For devices such as the NI Ettus Research USRP E3x0
+
+Note: Interrupt numbers might vary depending on the FPGA configuration.
+
+Example:
+ button {
+ compatible = "ettus,e3x0-button";
+ interrupt-parent = <&intc>;
+ interrupts = <0 30 1>, <0 31 1>;
+ interrupt-names = "press", "release";
+ }
--
1.9.3
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