dt-bindings: timers: add DT bindings for Cirrus EP93xx

This adds device tree bindings for the Cirrus Logic EP93xx
timer block used in these SoCs.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Documentation/devicetree/bindings/timer/cirrus,ep93xx-timer.yaml b/Documentation/devicetree/bindings/timer/cirrus,ep93xx-timer.yaml
new file mode 100644 (file)
index 0000000..ce8b8a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/cirrus,ep93xx-timer.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/cirrus,ep93xx-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx timers bindings
+
+maintainers:
+  - Hartley Sweeten <hsweeten@visionengravers.com>
+  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
+
+properties:
+  compatible:
+    const: cirrus,ep9301-timer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@80810000 {
+        compatible = "cirrus,ep9301-timer";
+        reg = <0x80810000 0x100>;
+        interrupt-parent = <&vic1>;
+        interrupts = <19>;
+    };
+...