Add missing 'minItems: 1' to iommus property of the Altera SOCFPGA SoC
implementation of the Synopsys DWMAC.

Fixes: 6d359cf464f4 ("dt-bindings: net: Convert socfpga-dwmac bindings to yaml")
Signed-off-by: Matthew Gerlach <matthew.gerlach@altera.com>
---
 Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml b/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
index c5d8dfe5b801..ec34daff2aa0 100644
--- a/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
+++ b/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
@@ -59,6 +59,7 @@ properties:
       - const: ptp_ref
 
   iommus:
+    minItems: 1
     maxItems: 2
 
   phy-mode:
-- 
2.49.0