new file mode 100644
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/sophgo,cv1800-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Real Time Clock of the Sophgo CV1800 SoC
+
+maintainers:
+ - Jingbao Qiu <qiujingbao.dlmu@gmail.com>
+
+allOf:
+ - $ref: rtc.yaml#
+
+properties:
+ compatible:
+ const: sophgo,cv1800-rtc
+
+ reg:
+ items:
+ - description: data register
+ - description: control register
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rtc@5025000{
+ compatible = "sophgo,cv1800-rtc";
+ reg = <0x5025000 0x1000>, <0x5026000 0x1000>;
+ clocks = <&osc>;
+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+ };
Add devicetree binding for Sophgo CV1800 SoC. Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@gmail.com> --- .../bindings/rtc/sophgo,cv1800-rtc.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml