[PATCH] dt-bindings: timer: add Ralink SoCs timer documentation

[Sergio Paracuellos <sergio.paracuellos@gmail.com>]

Add YAML documentation for the timer which is present on Ralink SoCs.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
---
 .../bindings/timer/ralink,rt2880-timer.yaml   | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/ralink,rt2880-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/ralink,rt2880-timer.yaml b/Documentation/devicetree/bindings/timer/ralink,rt2880-timer.yaml
new file mode 100644
index 000000000000..9a315449f73e
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ralink,rt2880-timer.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/ralink,rt2880-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Timer present in Ralink family SoCs
+
+maintainers:
+  - Sergio Paracuellos <sergio.paracuellos@gmail.com>
+
+properties:
+  compatible:
+    const: ralink,rt2880-timer
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: timer
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@100 {
+        compatible = "ralink,rt2880-timer";
+        reg = <0x100 0x20>;
+
+        clocks = <&sysc 3>;
+        clock-names = "timer";
+
+        interrupt-parent = <&intc>;
+        interrupts = <1>;
+    };
+...
-- 
2.25.1