[PATCH V3 1/1] dt-bindings: rtc: add atcrtc100 Real Time Clock

[CL Wang <cl634@andestech.com>]

Document devicetree bindings for the Andes atcrtc100 Real Time Clock.

Signed-off-by: CL Wang <cl634@andestech.com>
---
 .../bindings/rtc/andestech,atcrtc100.yaml     | 44 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml

diff --git a/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml b/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml
new file mode 100644
index 000000000000..cf99cff76734
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/andestech,atcrtc100.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Andes ATCRTC100 Real-Time Clock
+
+maintainers:
+  - CL Wang <cl634@andestech.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    enum:
+      - andestech,atcrtc100
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: Periodic timekeeping interrupt
+      - description: RTC alarm interrupt
+
+  wakeup-source: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    rtc@f0300000 {
+        compatible = "andestech,atcrtc100";
+        reg = <0xf0300000 0x100>;
+        interrupts = <1>, <2>;
+        wakeup-source;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 10342c0fa599..372d7ea53c98 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3357,6 +3357,7 @@ F:	include/linux/mfd/atc260x/*
 ATCRTC100 RTC DRIVER
 M:	CL Wang <cl634@andestech.com>
 S:	Supported
+F:	Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml
 F:	drivers/rtc/rtc-atcrtc100.c
 
 ATHEROS 71XX/9XXX GPIO DRIVER
-- 
2.34.1