[PATCH RFC 1/7] dt-bindings: timer: thead,c900-aclint-mtimer: Add SpacemiT K3

Add support for the ACLINT MTIMER found in the SpacemiT K3 SoC. The
hardware provides a ACLINT TIMER unit. Adding riscv,aclint-mtimer as a
fallback compatible allows direct reuse of existing OpenSBI driver.

Signed-off-by: Junhui Liu <[email protected]>
---
 Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
index cf7c82e980f6..c9429a2fa364 100644
--- a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
+++ b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
@@ -21,6 +21,10 @@ properties:
           - enum:
               - anlogic,dr1v90-aclint-mtimer
           - const: nuclei,ux900-aclint-mtimer
+      - items:
+          - enum:
+              - spacemit,k3-aclint-mtimer
+          - const: riscv,aclint-mtimer
 
   reg:
     items:

-- 
2.55.0