[PATCH v3 2/2] dt-bindings: watchdog: ti,davinci-wdt: convert to dtschema

Kousik Sanagavarapu
2024-07-26T15:06:15Z

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.
- Add "power-domains", which is a phandle to the associated power
domain.

w.r.t. to the txt binding to stay in sync with existing DTS.

Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
---
.../bindings/watchdog/davinci-wdt.txt | 24 --------
.../bindings/watchdog/ti,davinci-wdt.yaml | 55 +++++++++++++++++++
2 files changed, 55 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..3c78f60f5f48
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml
@@ -0,0 +1,55 @@
+# 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:
+ oneOf:
+ - items:
+ - const: ti,keystone-wdt
+ - const: ti,davinci-wdt
+ - items:
+ - 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