[PATCH V4 4/5] dt-bindings: input: pm8941-pwrkey: Convert pm8941 power key binding to yaml

[satya priya <skakit@codeaurora.org>]

Convert qcom pm8941 power key binding from .txt to .yaml format.

The example has been removed in favour of full example being
available in the qcom,pon.yaml binding.

Signed-off-by: satya priya <skakit@codeaurora.org>
---
Changes in V2:
 - Fixed bot errors, took reference from input.yaml for "linux,code"
 - Added one complete example for powerkey and resin, and referenced it
   in main PON binding.
 - Moved this patch to the end of the series.

Changes in V3:
 - Moved this patch before PON binding patch.
 - As per Rob's comments, added allOf at the beginning of binding.
   Added maxItems for interrupts.
 - Added 'unevaluatedProperties' instead of 'additionalProperties' as
   we are using allOf.

Changes in V4:
 - Removed the example and added in qcom,pon.yaml

 .../bindings/input/qcom,pm8941-pwrkey.txt          | 55 ----------------------
 .../bindings/input/qcom,pm8941-pwrkey.yaml         | 51 ++++++++++++++++++++
 2 files changed, 51 insertions(+), 55 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
 create mode 100644 Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.yaml

diff --git a/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
deleted file mode 100644
index 6cd08bc..0000000
--- a/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-Qualcomm PM8941 PMIC Power Key
-
-PROPERTIES
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be one of:
-		    "qcom,pm8941-pwrkey"
-		    "qcom,pm8941-resin"
-		    "qcom,pmk8350-pwrkey"
-		    "qcom,pmk8350-resin"
-
-- reg:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: base address of registers for block
-
-- interrupts:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: key change interrupt; The format of the specifier is
-		    defined by the binding document describing the node's
-		    interrupt parent.
-
-- debounce:
-	Usage: optional
-	Value type: <u32>
-	Definition: time in microseconds that key must be pressed or released
-		    for state change interrupt to trigger.
-
-- bias-pull-up:
-	Usage: optional
-	Value type: <empty>
-	Definition: presence of this property indicates that the KPDPWR_N pin
-		    should be configured for pull up.
-
-- linux,code:
-	Usage: optional
-	Value type: <u32>
-	Definition: The input key-code associated with the power key.
-		    Use the linux event codes defined in
-		    include/dt-bindings/input/linux-event-codes.h
-		    When property is omitted KEY_POWER is assumed.
-
-EXAMPLE
-
-	pwrkey@800 {
-		compatible = "qcom,pm8941-pwrkey";
-		reg = <0x800>;
-		interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
-		debounce = <15625>;
-		bias-pull-up;
-		linux,code = <KEY_POWER>;
-	};
diff --git a/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.yaml b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.yaml
new file mode 100644
index 0000000..62314a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/qcom,pm8941-pwrkey.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm PM8941 PMIC Power Key
+
+maintainers:
+  - Courtney Cavin <courtney.cavin@sonymobile.com>
+  - Vinod Koul <vkoul@kernel.org>
+
+allOf:
+  - $ref: input.yaml#
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm8941-pwrkey
+      - qcom,pm8941-resin
+      - qcom,pmk8350-pwrkey
+      - qcom,pmk8350-resin
+
+  interrupts:
+    maxItems: 1
+
+  debounce:
+    description: |
+          Time in microseconds that key must be pressed or
+          released for state change interrupt to trigger.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  bias-pull-up:
+    description: |
+           Presence of this property indicates that the KPDPWR_N
+           pin should be configured for pull up.
+    $ref: /schemas/types.yaml#/definitions/flag
+
+  linux,code:
+    description: |
+           The input key-code associated with the power key.
+           Use the linux event codes defined in
+           include/dt-bindings/input/linux-event-codes.h
+           When property is omitted KEY_POWER is assumed.
+
+required:
+  - compatible
+  - interrupts
+
+unevaluatedProperties: false
+...
-- 
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