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A compatiable string must be needed if we want to add a custom propety. So extract known PHY IDs from the tja11xx PHY drivers and convert them into supported compatible string list to fix the broken binding issue. [1]: https://lore.kernel.org/netdev/31058f49-bac5-49a9-a422-c43b121bf049@kernel.org/T/ Fixes: 52b2fe4535ad ("dt-bindings: net: tja11xx: add nxp,refclk_in property") Signed-off-by: Wei Fang Reviewed-by: Rob Herring (Arm) --- V2 changes: 1. Add more compatible strings based on TJA11xx data sheets. V1 link: https://lore.kernel.org/imx/20240904145720.GA2552590-robh@kernel.org/T/ --- .../devicetree/bindings/net/nxp,tja11xx.yaml | 62 ++++++++++++++----- 1 file changed, 46 insertions(+), 16 deletions(-) diff --git a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml index 85bfa45f5122..a754a61adc2d 100644 --- a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml +++ b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml @@ -14,8 +14,53 @@ maintainers: description: Bindings for NXP TJA11xx automotive PHYs +properties: + compatible: + enum: + - ethernet-phy-id0180.dc40 + - ethernet-phy-id0180.dc41 + - ethernet-phy-id0180.dc48 + - ethernet-phy-id0180.dd00 + - ethernet-phy-id0180.dd01 + - ethernet-phy-id0180.dd02 + - ethernet-phy-id0180.dc80 + - ethernet-phy-id0180.dc82 + - ethernet-phy-id001b.b010 + - ethernet-phy-id001b.b013 + - ethernet-phy-id001b.b030 + - ethernet-phy-id001b.b031 + allOf: - $ref: ethernet-phy.yaml# + - if: + properties: + compatible: + contains: + enum: + - ethernet-phy-id0180.dc40 + - ethernet-phy-id0180.dc41 + - ethernet-phy-id0180.dc48 + - ethernet-phy-id0180.dd00 + - ethernet-phy-id0180.dd01 + - ethernet-phy-id0180.dd02 + + then: + properties: + nxp,rmii-refclk-in: + type: boolean + description: | + The REF_CLK is provided for both transmitted and received data + in RMII mode. This clock signal is provided by the PHY and is + typically derived from an external 25MHz crystal. Alternatively, + a 50MHz clock signal generated by an external oscillator can be + connected to pin REF_CLK. A third option is to connect a 25MHz + clock to pin CLK_IN_OUT. So, the REF_CLK should be configured + as input or output according to the actual circuit connection. + If present, indicates that the REF_CLK will be configured as + interface reference clock input when RMII mode enabled. + If not present, the REF_CLK will be configured as interface + reference clock output when RMII mode enabled. + Only supported on TJA1100 and TJA1101. patternProperties: "^ethernet-phy@[0-9a-f]+$": @@ -32,22 +77,6 @@ patternProperties: description: The ID number for the child PHY. Should be +1 of parent PHY. - nxp,rmii-refclk-in: - type: boolean - description: | - The REF_CLK is provided for both transmitted and received data - in RMII mode. This clock signal is provided by the PHY and is - typically derived from an external 25MHz crystal. Alternatively, - a 50MHz clock signal generated by an external oscillator can be - connected to pin REF_CLK. A third option is to connect a 25MHz - clock to pin CLK_IN_OUT. So, the REF_CLK should be configured - as input or output according to the actual circuit connection. - If present, indicates that the REF_CLK will be configured as - interface reference clock input when RMII mode enabled. - If not present, the REF_CLK will be configured as interface - reference clock output when RMII mode enabled. - Only supported on TJA1100 and TJA1101. - required: - reg @@ -60,6 +89,7 @@ examples: #size-cells = <0>; tja1101_phy0: ethernet-phy@4 { + compatible = "ethernet-phy-id0180.dc40"; reg = <0x4>; nxp,rmii-refclk-in; };