Convert txt bindings of TI's DaVinci/Keystone Watchdog Timer Controller
to dtschema to allow for validation.

While at it, change the order of the compatibles w.r.t. the txt binding
to stay in sync with the existing DTS.

Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
---
 .../bindings/watchdog/davinci-wdt.txt         | 24 ---------
 .../bindings/watchdog/ti,davinci-wdt.yaml     | 52 +++++++++++++++++++
 2 files changed, 52 insertions(+), 24 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
 create mode 100644 Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
deleted file mode 100644
index aa10b8ec36e2..000000000000
--- a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller
-
-Required properties:
-- compatible : Should be "ti,davinci-wdt", "ti,keystone-wdt"
-- reg : Should contain WDT registers location and length
-
-Optional properties:
-- timeout-sec : Contains the watchdog timeout in seconds
-- clocks : the clock feeding the watchdog timer.
-	   Needed if platform uses clocks.
-	   See clock-bindings.txt
-
-Documentation:
-Davinci DM646x - https://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
-Keystone - https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
-
-Examples:
-
-wdt: wdt@2320000 {
-	compatible = "ti,davinci-wdt";
-	reg = <0x02320000 0x80>;
-	timeout-sec = <30>;
-	clocks = <&clkwdtimer0>;
-};
diff --git a/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml b/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml
new file mode 100644
index 000000000000..f1413e7370a1
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/ti,davinci-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI DaVinci/Keystone Watchdog Timer Controller
+
+maintainers:
+  - Kousik Sanagavarapu <five231003@gmail.com>
+
+description: |
+  TI's Watchdog Timer Controller for DaVinci and Keystone Processors.
+
+  Datasheets
+
+    Davinci DM646x - https://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
+    Keystone - https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: ti,keystone-wdt
+      - const: ti,davinci-wdt
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    wdt: watchdog@22f0080 {
+        compatible = "ti,keystone-wdt", "ti,davinci-wdt";
+        reg = <0x022f0080 0x80>;
+        clocks = <&clkwdtimer0>;
+    };
+
+...
-- 
2.45.2.827.g557ae147e6.dirty

On 25/07/2024 17:03, Kousik Sanagavarapu wrote:
> Convert txt bindings of TI's DaVinci/Keystone Watchdog Timer Controller
> to dtschema to allow for validation.
> 
> While at it, change the order of the compatibles w.r.t. the txt binding
> to stay in sync with the existing DTS.

... and add power-domains property, because it is used somwhere?

> 
> Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
> ---
>  .../bindings/watchdog/davinci-wdt.txt         | 24 ---------
>  .../bindings/watchdog/ti,davinci-wdt.yaml     | 52 +++++++++++++++++++
>  2 files changed, 52 insertions(+), 24 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
>  create mode 100644 Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
> deleted file mode 100644
> index aa10b8ec36e2..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller
> -

...

> +  - Kousik Sanagavarapu <five231003@gmail.com>
> +
> +description: |
> +  TI's Watchdog Timer Controller for DaVinci and Keystone Processors.
> +
> +  Datasheets
> +
> +    Davinci DM646x - https://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
> +    Keystone - https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: ti,keystone-wdt
> +      - const: ti,davinci-wdt

Validate the DTS - you will see this is wrong. You miss davinci standing
alone (so oneOf).

Best regards,
Krzysztof