The DP83640 is a PTP PHY. Some of his features can be enabled by hardware straps. There is not binding yet. Add a device tree binding to be able to override the hardware strap configuration when needed. Signed-off-by: Bastien Curutchet <bastien.curutchet@xxxxxxxxxxx> --- .../devicetree/bindings/net/ti,dp83640.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ti,dp83640.yaml diff --git a/Documentation/devicetree/bindings/net/ti,dp83640.yaml b/Documentation/devicetree/bindings/net/ti,dp83640.yaml new file mode 100644 index 000000000000..db1dc909d5cb --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,dp83640.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2024 Nanometrics Inc +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ti,dp83640.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI DP83640 ethernet PHY + +allOf: + - $ref: ethernet-controller.yaml# + +maintainers: + - Bastien Curutchet <bastien.curutchet@xxxxxxxxxxx> + +description: | + The DP83640 Precision PHYTER device is an Ethernet PHY providing PTP + capabilities based on IEEE 1588 standard. + + This device interfaces directly to the MAC layer through the + IEEE 802.3 Standard Media Independent Interface (MII), or Reduced MII (RMII). + + Specifications about the Ethernet PHY can be found at: + https://www.ti.com/lit/gpn/dp83640 + +properties: + reg: + maxItems: 1 + + ti,fiber-mode: + $ref: /schemas/types.yaml#/definitions/string + enum: [ disable, enable ] + description: | + If present, enables or disables the FX Fiber Mode. + - disable = FX Fiber Mode disabled + - enable = FX Fiber Mode enabled + Fiber mode enabling can also be strapped. If the strap pin is not set + correctly or not set at all then this can be used to configure it. + + leds: + type: object + $ref: /schemas/leds/common.yaml# + description: | + Describes the three LEDs of the PHY. + +required: + - reg + +unevaluatedProperties: false + +examples: + - | + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + ethphy0: ethernet-phy@0 { + reg = <0>; + ti,fiber-mode = "disable"; + leds { + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + label = "activity"; + }; + led@1 { + reg = <1>; + label = "link"; + }; + led@2 { + reg = <2>; + label = "speed"; + }; + }; + }; + }; -- 2.43.0
