Add a dt binding for the TI dp83822 ethernet phy device. CC: Rob Herring <robh+dt@xxxxxxxxxx> Signed-off-by: Dan Murphy <dmurphy@xxxxxx> --- .../devicetree/bindings/net/ti,dp83822.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ti,dp83822.yaml diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml new file mode 100644 index 000000000000..60afd43ad3b6 --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,dp83822.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) +# Copyright (C) 2020 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/net/ti,dp83822.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: TI DP83822 ethernet PHY + +allOf: + - $ref: "ethernet-controller.yaml#" + +maintainers: + - Dan Murphy <dmurphy@xxxxxx> + +description: | + The DP83822 is a low-power, single-port, 10/100 Mbps Ethernet PHY. It + provides all of the physical layer functions needed to transmit and receive + data over standard, twisted-pair cables or to connect to an external, + fiber-optic transceiver. Additionally, the DP83822 provides flexibility to + connect to a MAC through a standard MII, RMII, or RGMII interface + + Specifications about the charger can be found at: + http://www.ti.com/lit/ds/symlink/dp83822i.pdf + +properties: + reg: + maxItems: 1 + + ti,signal-polarity-low: + type: boolean + description: | + DP83822 PHY in Fiber mode only. + Sets the DP83822 to detect a link drop condition when the signal goes + high. If not set then link drop will occur when the signal goes low. + +required: + - reg + +examples: + - | + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + ethphy0: ethernet-phy@0 { + reg = <0>; + ti,signal-polarity-low; + }; + }; -- 2.26.2
