[Linux-stm32] [net-next v1 1/6] dt-bindings: net: dwmac: Add snps, use-ncsi property

Minda Chen minda.chen at starfivetech.com
Wed Jun 10 07:24:15 UTC 2026


Add snps,use-ncsi dts bindings property for Synopsys designware
ethernet MAC with RMII interface and used as sideband interface
network controller(NCSI).

Signed-off-by: Minda Chen <minda.chen at starfivetech.com>
---
 Documentation/devicetree/bindings/net/snps,dwmac.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 2449311c6d28..05b1d8428f65 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -545,6 +545,13 @@ properties:
       Enables the TSO feature otherwise it will be managed by MAC HW capability
       register.
 
+  snps,use-ncsi:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Use the NC-SI stack instead of an MDIO PHY. Currently assumes
+      rmii (100bT) but kept as a separate property in case NC-SI grows support
+      for a gigabit link.
+
   mdio:
     $ref: mdio.yaml#
     unevaluatedProperties: false
-- 
2.17.1




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