dt-bindings: thermal: st,thermal-spear1340: convert to dtschema

Convert the SPEAr Thermal Sensor bindings to DT schema.

Signed-off-by: Gopi Krishna Menon <krishnagopi487@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/20260329123449.309814-2-krishnagopi487@gmail.com

Documentation/devicetree/bindings/thermal/spear-thermal.txt

@@ -1,14 +0,0 @@
-* SPEAr Thermal
-
-Required properties:
-- compatible : "st,thermal-spear1340"
-- reg : Address range of the thermal registers
-- st,thermal-flags: flags used to enable thermal sensor
-
-Example:
-
-	thermal@fc000000 {
-		compatible = "st,thermal-spear1340";
-		reg = <0xfc000000 0x1000>;
-		st,thermal-flags = <0x7000>;
-	};

Documentation/devicetree/bindings/thermal/st,thermal-spear1340.yaml

@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/st,thermal-spear1340.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SPEAr Thermal Sensor
+
+maintainers:
+  - Viresh Kumar <vireshk@kernel.org>
+
+properties:
+  compatible:
+    const: st,thermal-spear1340
+
+  reg:
+    maxItems: 1
+
+  st,thermal-flags:
+    description: flags used to enable thermal sensor
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - reg
+  - st,thermal-flags
+
+additionalProperties: false
+
+examples:
+  - |
+    thermal@fc000000 {
+      compatible = "st,thermal-spear1340";
+      reg = <0xfc000000 0x1000>;
+      st,thermal-flags = <0x7000>;
+    };