[PATCH v3] dt-bindings: serial: snps-dw-apb-uart: Add Synaptics sl2610 uart

[PATCH v3] dt-bindings: serial: snps-dw-apb-uart: Add Synaptics sl2610 uart

[Jisheng Zhang]

Add the compatible for the UARTs of the Synaptics SL2610, which are
compatible with the Synopsys DesignWare APB UART.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
---

since v2:
 - collect Acked-by tag
 - rebase on the latest tty-testing

since v1:
 - use sl2610 instead of sl261x
 - send as a separate patch

 .../devicetree/bindings/serial/snps-dw-apb-uart.yaml | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
index 86dc25919311..e2ca126d58ba 100644
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
@@ -34,7 +34,16 @@ allOf:
       properties:
         resets:
           minItems: 2
-    else:
+
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - starfive,jh7110-uart
+                - syna,sl2610-uart
+    then:
       properties:
         resets:
           maxItems: 1
@@ -80,6 +89,7 @@ properties:
               - starfive,jh7100-hsuart
               - starfive,jh7100-uart
               - starfive,jh7110-uart
+              - syna,sl2610-uart
               - ti,tda54-uart
               - ultrarisc,dp1000-uart
           - const: snps,dw-apb-uart
-- 
2.53.0