Commit b735154a authored by Pawel Dembicki's avatar Pawel Dembicki Committed by David S. Miller
Browse files

dt-bindings: net: dsa: vsc73xx: add {rx,tx}-internal-delay-ps 



Add a schema validator to vitesse,vsc73xx.yaml for MAC-level RGMII delays
in the CPU port. Additionally, valid values for VSC73XX were defined,
and a common definition for the RX and TX valid range was created.

Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarPawel Dembicki <paweldembicki@gmail.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3b91b032

Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml

+32 −0
Original line number Diff line number Diff line
@@ -52,6 +52,25 @@ properties: 
allOf:

  - $ref: dsa.yaml#/$defs/ethernet-ports



patternProperties:

  "^(ethernet-)?ports$":

    additionalProperties: true

    patternProperties:

      "^(ethernet-)?port@6$":

        allOf:

          - if:

              properties:

                phy-mode:

                  contains:

                    enum:

                      - rgmii

            then:

              properties:

                rx-internal-delay-ps:

                  $ref: "#/$defs/internal-delay-ps"

                tx-internal-delay-ps:

                  $ref: "#/$defs/internal-delay-ps"



# This checks if reg is a chipselect so the device is on an SPI

# bus, the if-clause will fail if reg is a tuple such as for a

# platform device.
@@ -67,6 +86,15 @@ required: 
  - compatible

  - reg



$defs:

  internal-delay-ps:

    description:

      Disable tunable delay lines using 0 ps, or enable them and select

      the phase between 1400 ps and 2000 ps in increments of 300 ps.

    default: 2000

    enum:

      [0, 1400, 1700, 2000]



unevaluatedProperties: false



examples:
@@ -108,6 +136,8 @@ examples: 
            reg = <6>;

            ethernet = <&gmac1>;

            phy-mode = "rgmii";

            rx-internal-delay-ps = <0>;

            tx-internal-delay-ps = <0>;

            fixed-link {

              speed = <1000>;

              full-duplex;
@@ -150,6 +180,8 @@ examples: 
          ethernet-port@6 {

            reg = <6>;

            ethernet = <&enet0>;

            rx-internal-delay-ps = <0>;

            tx-internal-delay-ps = <0>;

            phy-mode = "rgmii";

            fixed-link {

              speed = <1000>;