[PATCH v3] dt-bindings: watchdog: brcm,kona-wdt: convert txt file to yaml

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Converted txt file to yaml. No additional changes.

Signed-off-by: Nikita Bondarenko <n2h9z4@xxxxxxxxx>
---

Changes in v3:
- updated commit message
- updated the compatible definition to probably fix "compatible is too long" warning
- updated example to how it was in the txt file


I do not have this warning when I am running  
make  DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml ARCH=arm dt_binding_check
maybe I run it without some additional variable?

But I checked arch/arm/boot/dts/bcm28155-ap.dts, it includes bcm11351.dtsiv which contains 
compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
which probably causes a warning
This is exact how it was in txt file example.

If I put it in an example in a yaml file, dt_binding_check does not pass.
Looks like the issue is in the enum type of compatible. It does not allow multiple strings.  
Updated to not to use enum. The example with two strings in compatible passes the checks.

make  DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml ARCH=arm dt_binding_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTEX    Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.example.dts
  DTC_CHK Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.example.dtb

make  DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml ARCH=arm dtbs_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json


v2 patch is here: https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230402135555.62507-1-n2h9z4@xxxxxxxxx/

 .../bindings/watchdog/brcm,kona-wdt.txt       | 15 -------
 .../bindings/watchdog/brcm,kona-wdt.yaml      | 41 +++++++++++++++++++
 2 files changed, 41 insertions(+), 15 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
 create mode 100644 Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
deleted file mode 100644
index 2b86a00e351d..000000000000
--- a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-Broadcom Kona Family Watchdog Timer
------------------------------------
-
-This watchdog timer is used in the following Broadcom SoCs:
-  BCM11130, BCM11140, BCM11351, BCM28145, BCM28155
-
-Required properties:
-  - compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
-  - reg: memory address & range
-
-Example:
-	watchdog@35002f40 {
-		compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
-		reg = <0x35002f40 0x6c>;
-	};
diff --git a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml
new file mode 100644
index 000000000000..3d4403b41cbe
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/brcm,kona-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Kona Family Watchdog Timer
+
+description: |
+  This watchdog timer is used in the following Broadcom SoCs:
+  BCM11130, BCM11140, BCM11351, BCM28145, BCM28155
+
+maintainers:
+  - Florian Fainelli <f.fainelli@xxxxxxxxx>
+  - Ray Jui <rjui@xxxxxxxxxxxx>
+  - Scott Branden <sbranden@xxxxxxxxxxxx>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: brcm,bcm11351-wdt
+      - const: brcm,kona-wdt
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@35002f40 {
+        compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
+        reg = <0x35002f40 0x6c>;
+    };
-- 
2.34.1




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