Add FSD Ethernet compatible in Synopsys dt-bindings document. Add FSD
Ethernet YAML schema to enable the DT validation.

Signed-off-by: Pankaj Dubey <redacted>
Signed-off-by: Ravi Patel <redacted>
Signed-off-by: Swathi K S <redacted>
---
 .../devicetree/bindings/net/snps,dwmac.yaml   |  5 +-
 .../bindings/net/tesla,fsd-ethqos.yaml        | 91 +++++++++++++++++++
 2 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 91e75eb3f329..2243bf48a0b7 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml

@@ -103,6 +103,7 @@ properties:
         - starfive,jh7100-dwmac
         - starfive,jh7110-dwmac
         - thead,th1520-gmac
+        - tesla,fsd-ethqos
 
   reg:
     minItems: 1

@@ -126,7 +127,7 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 8
+    maxItems: 10
     additionalItems: true
     items:
       - description: GMAC main clock

@@ -138,7 +139,7 @@ properties:
 
   clock-names:
     minItems: 1
-    maxItems: 8
+    maxItems: 10
     additionalItems: true
     contains:
       enum:

diff --git a/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml b/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml
new file mode 100644
index 000000000000..579a7bd1701d
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml

@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/tesla,fsd-ethqos.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FSD Ethernet Quality of Service
+
+maintainers:
+  - Swathi K S <swathi.ks@samsung.com>
+
+description:
+  Tesla ethernet devices based on dwmmac support Gigabit ethernet.
+
+allOf:
+  - $ref: snps,dwmac.yaml#
+
+properties:
+  compatible:
+    const: tesla,fsd-ethqos.yaml