[PATCH 1/2] dt-bindings: Add optional gpio property to uartps node to support rs485

Manikanta Guntupalli
2023-04-26T12:32:15Z

Add optional gpio property to uartps node and add reference to rs485.yaml

Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
---
Documentation/devicetree/bindings/serial/cdns,uart.yaml | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index a8b323d7bf94..34ed0d80b923 100644
--- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
@@ -46,6 +46,10 @@ properties:
power-domains:
maxItems: 1

+ txrx-gpios:
+ description: Optional GPIO to switch transmit and receive modes via pmod.
+ maxItems: 1
+
required:
- compatible
- reg
@@ -55,6 +59,7 @@ required:

allOf:
- $ref: serial.yaml#
+ - $ref: rs485.yaml#
- if:
properties:
compatible:
--
2.25.1