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dt-bindings: serial: snps-dw-apb-uart: document RZ/N1 binding without DMA

Message ID 20250317120437.67683-2-wsa+renesas@sang-engineering.com
State New
Headers show
Series dt-bindings: serial: snps-dw-apb-uart: document RZ/N1 binding without DMA | expand

Commit Message

Wolfram Sang March 17, 2025, 12:04 p.m. UTC
Renesas RZ/N1D has this UART with and without DMA support. Currently,
only the binding with DMA support is described. Add the missing one
without DMA support which can fallback even more.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 .../devicetree/bindings/serial/snps-dw-apb-uart.yaml        | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
index 1c163cb5dff1..5b5799c21243 100644
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
@@ -30,6 +30,12 @@  allOf:
 properties:
   compatible:
     oneOf:
+      - items:
+          - enum:
+              - renesas,r9a06g032-uart
+              - renesas,r9a06g033-uart
+          - const: renesas,rzn1-uart
+          - const: snps,dw-apb-uart
       - items:
           - enum:
               - renesas,r9a06g032-uart