Add a compatible string for the uart binding of NXP S32G2 platforms. Here
we use "s32v234-linflexuart" as fallback since the current linflexuart
driver still works on S32G2.

Signed-off-by: Chester Lin <redacted>
---
 .../bindings/serial/fsl,s32-linflexuart.yaml  | 26 ++++++++++++++++---
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
index acfe34706ccb..e731f3f6cea4 100644
--- a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml

@@ -21,10 +21,20 @@ allOf:
 
 properties:
   compatible:
-    description: The LINFlexD controller on S32V234 SoC, which can be
-      configured in UART mode.
-    items:
-      - const: fsl,s32v234-linflexuart
+    minItems: 1
+    maxItems: 2

+    oneOf:
+      - description: The LINFlexD controller on S32G2 SoC, which can be
+          configured in UART mode.
+        items:
+          - enum:
+              - fsl,s32g2-linflexuart
+          - const: fsl,s32v234-linflexuart
+
+      - description: The LINFlexD controller on S32V234 SoC, which can be
+          configured in UART mode.
+        items:
+          - const: fsl,s32v234-linflexuart
 
   reg:
     maxItems: 1

@@ -41,8 +51,16 @@ unevaluatedProperties: false
 
 examples:
   - |
+    /* S32V234 */
     serial@40053000 {
         compatible = "fsl,s32v234-linflexuart";
         reg = <0x40053000 0x1000>;
         interrupts = <0 59 4>;
     };
+
+    /* S32G2 */
+    serial@401c8000 {
+        compatible = "fsl,s32g2-linflexuart", "fsl,s32v234-linflexuart";
+        reg = <0x401c8000 0x3000>;
+        interrupts = <0 82 1>;
+    };