Commit ac434f28 authored by Hal Feng's avatar Hal Feng Committed by Greg Kroah-Hartman
Browse files

dt-bindings: serial: snps-dw-apb-uart: Add one more reset signal for StarFive JH7110 SoC 



The UART of StarFive JH7110 has two reset signals.
Both of them are necessary for JH7110 to initialize UART.

Signed-off-by: default avatarHal Feng <hal.feng@starfivetech.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240604084729.57239-2-hal.feng@starfivetech.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bf14c18a

Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml

+17 −1
Original line number Diff line number Diff line
@@ -13,6 +13,20 @@ allOf: 
  - $ref: serial.yaml#

  - $ref: rs485.yaml#



  - if:

      properties:

        compatible:

          contains:

            const: starfive,jh7110-uart

    then:

      properties:

        resets:

          minItems: 2

    else:

      properties:

        resets:

          maxItems: 1



properties:

  compatible:

    oneOf:
@@ -48,6 +62,7 @@ properties: 
          - enum:

              - starfive,jh7100-hsuart

              - starfive,jh7100-uart

              - starfive,jh7110-uart

          - const: snps,dw-apb-uart

      - const: snps,dw-apb-uart
@@ -82,7 +97,8 @@ properties: 
    type: boolean



  resets:

    maxItems: 1

    minItems: 1

    maxItems: 2



  reg-shift: true