Add RTC devicetree binding for Sophgo CV1800 SoC.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Jingbao Qiu <[email protected]>
---
.../bindings/rtc/sophgo,cv1800-rtc.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml
diff --git a/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml b/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml
new file mode 100644
index 000000000000..b36b51a69166
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml
@@ -0,0 +1,53 @@
+# 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
+
+description:
+ Real Time Clock (RTC) is an independently powered module
+ within the chip, which includes a 32KHz oscillator and a
+ Power On Reset/POR submodule. It can be used for time display
+ and timed alarm generation. In addition, the hardware state
+ machine provides triggering and timing control for chip
+ power on, off, and reset.
+
+maintainers:
+ - Jingbao Qiu <[email protected]>
+
+allOf:
+ - $ref: rtc.yaml#
+
+properties:
+ compatible:
+ const: sophgo,cv1800-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rtc@5025000 {
+ compatible = "sophgo,cv1800-rtc";
+ reg = <0x5025000 0x2000>;
+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ };
--
2.25.1