dt-bindings: timer: hpe,gxp-timer: Add HPE GXP Timer and Watchdog

Add support for the HPE GXP Timer and Watchdog. There are multiple
timers on the SoC but only one is enabled at this time.

Signed-off-by: Nick Hawkins <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Rob Herring <[email protected]>

1 files changed, 47 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
new file mode 100644
index 000000000000..d33d90f44d28
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/hpe,gxp-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HPE GXP Timer
+
+maintainers:
+  - Nick Hawkins <[email protected]>
+  - Jean-Marie Verdun <[email protected]>
+
+properties:
+  compatible:
+    const: hpe,gxp-timer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: iop
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@c0000000 {
+        compatible = "hpe,gxp-timer";
+        reg = <0x80 0x16>;
+        interrupts = <0>;
+        interrupt-parent = <&vic0>;
+        clocks = <&iopclk>;
+        clock-names = "iop";
+    };