[PATCH 1/2] dt-bindings: rtc: m41t80: Convert text schema to YAML one

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Convert the m41t80 text schema to YAML schema.
No functional change.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
Cc: linux-rtc@xxxxxxxxxxxxxxx
To: devicetree@xxxxxxxxxxxxxxx
---
 .../devicetree/bindings/rtc/rtc-m41t80.txt    | 39 ----------
 .../devicetree/bindings/rtc/rtc-m41t80.yaml   | 75 +++++++++++++++++++
 2 files changed, 75 insertions(+), 39 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-m41t80.txt
 create mode 100644 Documentation/devicetree/bindings/rtc/rtc-m41t80.yaml

diff --git a/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt b/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt
deleted file mode 100644
index cdd196b1e9bdb..0000000000000
--- a/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-ST M41T80 family of RTC and compatible
-
-Required properties:
-- compatible: should be one of:
-	"st,m41t62",
-	"st,m41t65",
-	"st,m41t80",
-	"st,m41t81",
-	"st,m41t81s",
-	"st,m41t82",
-	"st,m41t83",
-	"st,m41t84",
-	"st,m41t85",
-	"st,m41t87",
-	"microcrystal,rv4162",
-- reg: I2C bus address of the device
-
-Optional properties:
-- interrupts: rtc alarm interrupt.
-- clock-output-names: From common clock binding to override the default output
-                      clock name
-- wakeup-source: Enables wake up of host system on alarm
-
-Optional child node:
-- clock: Provide this if the square wave pin is used as boot-enabled fixed clock.
-
-Example:
-	rtc@68 {
-		compatible = "st,m41t80";
-		reg = <0x68>;
-		interrupt-parent = <&UIC0>;
-		interrupts = <0x9 0x8>;
-
-		clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <32768>;
-		};
-	};
diff --git a/Documentation/devicetree/bindings/rtc/rtc-m41t80.yaml b/Documentation/devicetree/bindings/rtc/rtc-m41t80.yaml
new file mode 100644
index 0000000000000..7f31a22caec9b
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/rtc-m41t80.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/rtc-m41t80.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ST M41T80 family of RTC and compatible
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      - st,m41t62
+      - st,m41t65
+      - st,m41t80
+      - st,m41t81
+      - st,m41t81s
+      - st,m41t82
+      - st,m41t83
+      - st,m41t84
+      - st,m41t85
+      - st,m41t87
+      - microcrystal,rv4162
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 1
+
+  clock-output-names:
+    description: From common clock binding to override the default output clock name.
+
+  wakeup-source:
+    description: Enables wake up of host system on alarm.
+
+  clock:
+    type: object
+    $ref: /schemas/clock/fixed-clock.yaml#
+    properties:
+      clock-frequency:
+        const: 32768
+
+allOf:
+  - $ref: rtc.yaml
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      rtc@68 {
+        compatible = "st,m41t80";
+        reg = <0x68>;
+        interrupt-parent = <&UIC0>;
+        interrupts = <0x9 0x8>;
+
+        clock {
+          compatible = "fixed-clock";
+          #clock-cells = <0>;
+          clock-frequency = <32768>;
+        };
+      };
+    };
-- 
2.35.1




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