STMMAC on SoCFPGA uses exactly one interrupt in in-kernel DTS and common
snps,dwmac.yaml binding is flexible, so define precise constraint for
this device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

---

Changes in v2:
1. Minor typo in commit msg.
---
 .../devicetree/bindings/net/altr,socfpga-stmmac.yaml       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml b/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
index 3a22d35db778..fc445ad5a1f1 100644
--- a/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
+++ b/Documentation/devicetree/bindings/net/altr,socfpga-stmmac.yaml
@@ -62,6 +62,13 @@ properties:
       - const: stmmaceth
       - const: ptp_ref
 
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    items:
+      - const: macirq
+
   iommus:
     minItems: 1
     maxItems: 2
-- 
2.48.1