diff options
| author | Ante Knezic <ante.knezic@helmholz.de> | 2023-12-05 11:03:38 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-12-07 10:22:09 +0000 |
| commit | 8e3bfaab2ad956aa551a3cf8f7108f4b2c3b18d0 (patch) | |
| tree | 27e8ad0713034f13a1a917790d64945a76c75b44 /Documentation/devicetree/bindings/net | |
| parent | b8dbbbc535a95acd66035cf75872cd7524c0b12f (diff) | |
dt-bindings: net: microchip,ksz: document microchip,rmii-clk-internal
Add documentation for selecting reference rmii clock on KSZ88X3 devices
Signed-off-by: Ante Knezic <ante.knezic@helmholz.de>
Reviewed-by: Rob Herring <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/microchip,ksz.yaml | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml index b3029c64d0d5..c963dc09e8e1 100644 --- a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml +++ b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml @@ -11,7 +11,6 @@ maintainers: - Woojung Huh <Woojung.Huh@microchip.com> allOf: - - $ref: dsa.yaml#/$defs/ethernet-ports - $ref: /schemas/spi/spi-peripheral-props.yaml# properties: @@ -78,6 +77,39 @@ required: - compatible - reg +if: + not: + properties: + compatible: + enum: + - microchip,ksz8863 + - microchip,ksz8873 +then: + $ref: dsa.yaml#/$defs/ethernet-ports +else: + patternProperties: + "^(ethernet-)?ports$": + patternProperties: + "^(ethernet-)?port@[0-2]$": + $ref: dsa-port.yaml# + unevaluatedProperties: false + properties: + microchip,rmii-clk-internal: + $ref: /schemas/types.yaml#/definitions/flag + description: + When ksz88x3 is acting as clock provier (via REFCLKO) it + can select between internal and external RMII reference + clock. Internal reference clock means that the clock for + the RMII of ksz88x3 is provided by the ksz88x3 internally + and the REFCLKI pin is unconnected. For the external + reference clock, the clock needs to be fed back to ksz88x3 + via REFCLKI. + If microchip,rmii-clk-internal is set, ksz88x3 will provide + rmii reference clock internally, otherwise reference clock + should be provided externally. + dependencies: + microchip,rmii-clk-internal: [ethernet] + unevaluatedProperties: false examples: |