From ccc3fd3ebeef2686f005733858c0a1b2cb89aaeb Mon Sep 17 00:00:00 2001
From: Junhui Liu <junhui.liu@pigmoral.tech>
Date: Tue, 21 Oct 2025 17:41:42 +0800
Subject: [PATCH] dt-bindings: timer: Add Anlogic DR1V90 ACLINT MTIMER

Add MTIMER support for Anlogic DR1V90 SoC, which uses Nuclei UX900 with
a TIMER unit compliant with the ACLINT specification.

Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../timer/thead,c900-aclint-mtimer.yaml         | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
index 4ed30efe4052..cf7c82e980f6 100644
--- a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
+++ b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
@@ -4,18 +4,23 @@
 $id: http://devicetree.org/schemas/timer/thead,c900-aclint-mtimer.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Sophgo CLINT Timer
+title: ACLINT Machine-level Timer Device
 
 maintainers:
   - Inochi Amaoto <inochiama@outlook.com>
 
 properties:
   compatible:
-    items:
-      - enum:
-          - sophgo,sg2042-aclint-mtimer
-          - sophgo,sg2044-aclint-mtimer
-      - const: thead,c900-aclint-mtimer
+    oneOf:
+      - items:
+          - enum:
+              - sophgo,sg2042-aclint-mtimer
+              - sophgo,sg2044-aclint-mtimer
+          - const: thead,c900-aclint-mtimer
+      - items:
+          - enum:
+              - anlogic,dr1v90-aclint-mtimer
+          - const: nuclei,ux900-aclint-mtimer
 
   reg:
     items: