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Subject[PATCH v5 04/12] dt-bindings: rtc: add bindings for microchip mpfs rtc
Date
From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the real time clock on
the Microchip PolarFire SoC.

Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
.../bindings/rtc/microchip,mfps-rtc.yaml | 58 +++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
new file mode 100644
index 000000000000..f35cca4e8656
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml#
+
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PolarFire Soc (MPFS) RTC Device Tree Bindings
+
+allOf:
+ - $ref: rtc.yaml#
+
+maintainers:
+ - Daire McNamara <daire.mcnamara@microchip.com>
+ - Lewis Hanly <lewis.hanly@microchip.com>
+
+properties:
+ compatible:
+ enum:
+ - microchip,mpfs-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description: |
+ The RTC on the PolarFire SoC has a pair of interrupts. The first is the
+ RTC_WAKEUP interrupt. The second, RTC_MATCH, is asserted when the
+ content of the Alarm register is equal to that of the RTC's count.
+ maxItems: 2
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: rtc
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/microchip,mpfs-clock.h>
+ rtc@20124000 {
+ compatible = "microchip,mpfs-rtc";
+ reg = <0x20124000 0x1000>;
+ clocks = <&clkcfg CLK_RTC>;
+ clock-names = "rtc";
+ interrupts = <80>, <81>;
+ };
+...
--
2.35.0
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