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| author | Pawel Dembicki <paweldembicki@gmail.com> | 2024-07-29 23:02:01 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-07-31 10:26:29 +0100 |
| commit | b735154aeb3366b249ab52bbfa0aa8a4c61c9a44 (patch) | |
| tree | 992f8b2b71b5a150ea443380d9ecd6cd18fe2759 /Documentation/devicetree/bindings/net | |
| parent | 3b91b03271c5dbf156301ff5028b36925f00e102 (diff) | |
| download | lwn-b735154aeb3366b249ab52bbfa0aa8a4c61c9a44.tar.gz lwn-b735154aeb3366b249ab52bbfa0aa8a4c61c9a44.zip | |
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: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/devicetree/bindings/net')
| -rw-r--r-- | Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml index b99d7a694b70..51cf574249be 100644 --- a/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml +++ b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml @@ -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>; |