[RFC PATCH v2 4/6] dt-bindings: input: add entry for Marvell 88PM88X PMICs onkey

[Karel Balej]

From: Karel Balej <balejk@xxxxxxxxx>

Marvell 88PM88X PMICs provide onkey functionality -- add the bindings.

Signed-off-by: Karel Balej <balejk@xxxxxxxxx>
---

Notes:
    RFC v2:
    - Add wakeup-source property and reference onkey schema from MFD.
    - Reword commit message.

 .../bindings/input/marvell,88pm88x-onkey.yaml | 32 +++++++++++++++++++
 .../bindings/mfd/marvell,88pm88x.yaml         |  8 +++++
 2 files changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/marvell,88pm88x-onkey.yaml

diff --git a/Documentation/devicetree/bindings/input/marvell,88pm88x-onkey.yaml b/Documentation/devicetree/bindings/input/marvell,88pm88x-onkey.yaml
new file mode 100644
index 000000000000..5d3d451d0e1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/marvell,88pm88x-onkey.yaml
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/marvell,88pm88x-onkey.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Onkey driver for Marvell 88PM88X PMICs.
+
+maintainers:
+  - Karel Balej <balejk@xxxxxxxxx>
+
+description: |
+  This module is part of the 88PM88X MFD device. For more details
+  see Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml.
+
+  The onkey controller is represented as a sub-node of the PMIC node in
+  the device tree.
+
+allOf:
+  - $ref: input.yaml#
+
+properties:
+  compatible:
+    const: marvell,88pm88x-onkey
+
+  wakeup-source: true
+
+required:
+  - compatible
+
+additionalProperties: false
+...
diff --git a/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
index 29ab979862d5..2507a73d4dc3 100644
--- a/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
+++ b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
@@ -28,6 +28,9 @@ properties:
   "#interrupt-cells":
     const: 1
 
+  onkey:
+    $ref: /schemas/input/marvell,88pm88x-onkey.yaml
+
   regulators:
     $ref: /schemas/regulator/marvell,88pm88x-regulator.yaml#
 
@@ -53,6 +56,11 @@ examples:
         interrupt-controller;
         #interrupt-cells = <1>;
 
+        onkey {
+          compatible = "marvell,88pm88x-onkey";
+          wakeup-source;
+        };
+
         regulators {
           ldo2: ldo2 {
             regulator-min-microvolt = <3100000>;
-- 
2.43.0