Commit 845766b6 authored by Zev Weiss's avatar Zev Weiss Committed by Greg Kroah-Hartman
Browse files

dt-bindings: serial: 8250: add aspeed, lpc-io-reg and aspeed, lpc-interrupts 



These correspond to the existing lpc_address, sirq, and sirq_polarity
sysfs attributes; the second element of aspeed,lpc-interrupts provides
a replacement for the deprecated aspeed,sirq-polarity-sense property.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarZev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210412034712.16778-5-zev@bewilderbeest.net


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ca03042f

Documentation/devicetree/bindings/serial/8250.yaml

+24 −3
Original line number Diff line number Diff line
@@ -12,7 +12,12 @@ maintainers: 
allOf:

  - $ref: /schemas/serial.yaml#

  - if:

      required:

      anyOf:

        - required:

            - aspeed,lpc-io-reg

        - required:

            - aspeed,lpc-interrupts

        - required:

            - aspeed,sirq-polarity-sense

    then:

      properties:
@@ -191,6 +196,20 @@ properties: 
      applicable to aspeed,ast2500-vuart.

    deprecated: true



  aspeed,lpc-io-reg:

    $ref: '/schemas/types.yaml#/definitions/uint32'

    description: |

      The VUART LPC address.  Only applicable to aspeed,ast2500-vuart.



  aspeed,lpc-interrupts:

    $ref: "/schemas/types.yaml#/definitions/uint32-array"

    minItems: 2

    maxItems: 2

    description: |

      A 2-cell property describing the VUART SIRQ number and SIRQ

      polarity (IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_LEVEL_HIGH).  Only

      applicable to aspeed,ast2500-vuart.



required:

  - reg

  - interrupts
@@ -222,6 +241,7 @@ examples: 
    };

  - |

    #include <dt-bindings/clock/aspeed-clock.h>

    #include <dt-bindings/interrupt-controller/irq.h>

    serial@1e787000 {

        compatible = "aspeed,ast2500-vuart";

        reg = <0x1e787000 0x40>;
@@ -229,7 +249,8 @@ examples: 
        interrupts = <8>;

        clocks = <&syscon ASPEED_CLK_APB>;

        no-loopback-test;

        aspeed,sirq-polarity-sense = <&syscon 0x70 25>;

        aspeed,lpc-io-reg = <0x3f8>;

        aspeed,lpc-interrupts = <4 IRQ_TYPE_LEVEL_LOW>;

    };



...