Commit 1b8dc398 authored by Martin Devera's avatar Martin Devera Committed by Greg Kroah-Hartman
Browse files

dt-bindings: serial: Add rx-tx-swap to stm32-usart 



Add new rx-tx-swap property to allow for RX & TX pin swapping.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarFabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: default avatarMartin Devera <devik@eaxlabs.cz>
Link: https://lore.kernel.org/r/20210328154306.22674-1-devik@eaxlabs.cz


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 95944087

Documentation/devicetree/bindings/serial/st,stm32-uart.yaml

+19 −10
Original line number Diff line number Diff line
@@ -9,9 +9,6 @@ maintainers: 


title: STMicroelectronics STM32 USART bindings



allOf:

  - $ref: rs485.yaml



properties:

  compatible:

    enum:
@@ -40,6 +37,8 @@ properties: 


  uart-has-rtscts: true



  rx-tx-swap: true



  dmas:

    minItems: 1

    maxItems: 2
@@ -66,13 +65,23 @@ properties: 
  linux,rs485-enabled-at-boot-time: true

  rs485-rx-during-tx: true



if:

allOf:

  - $ref: rs485.yaml#

  - $ref: serial.yaml#

  - if:

      required:

        - st,hw-flow-ctrl

    then:

      properties:

        cts-gpios: false

        rts-gpios: false

  - if:

      properties:

        compatible:

          const: st,stm32-uart

    then:

      properties:

        rx-tx-swap: false



required:

  - compatible