[PATCH 1/2] dt-bindings: input: Add Dell Wyse 3020 Power Button binding

From: Lubomir Rintel
Date: Wed Mar 18 2020 - 07:46:12 EST


Add binding document for the Dell Wyse 3020 a.k.a. "Ariel" Power Button.

Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
.../bindings/input/ariel-pwrbutton.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml

diff --git a/Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml b/Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml
new file mode 100644
index 0000000000000..e022d36c48d23
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/ariel-pwrbutton.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dell Wyse 3020 a.k.a. "Ariel" Power Button
+
+maintainers:
+ - Lubomir Rintel <lkundrak@xxxxx>
+
+description: |
+ The ENE Embedded Controller on the Ariel board has an interface to the
+ SPI bus that is capable of sending keyboard and mouse data. A single
+ power button is attached to it. This binding describes this
+ configuration.
+
+allOf:
+ - $ref: input.yaml#
+
+properties:
+ compatible:
+ items:
+ - const: dell,wyse-ariel-ec-input
+ - const: ene,kb3930-input
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ power-button@0 {
+ compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
+ reg = <0>;
+ interrupt-parent = <&gpio>;
+ interrupts = <60 IRQ_TYPE_EDGE_RISING>;
+ spi-max-frequency = <33000000>;
+ };
+ };
--
2.25.1