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Diffstat (limited to 'Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml')
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diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml new file mode 100644 index 000000000000..f978f8719d8e --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/nxp,sja1105.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP SJA1105 Automotive Ethernet Switch Family Device Tree Bindings + +description: + The SJA1105 SPI interface requires a CS-to-CLK time (t2 in UM10944.pdf) of at + least one half of t_CLK. At an SPI frequency of 1MHz, this means a minimum + cs_sck_delay of 500ns. Ensuring that this SPI timing requirement is observed + depends on the SPI bus master driver. + +allOf: + - $ref: "dsa.yaml#" + +maintainers: + - Vladimir Oltean <vladimir.oltean@nxp.com> + +properties: + compatible: + enum: + - nxp,sja1105e + - nxp,sja1105t + - nxp,sja1105p + - nxp,sja1105q + - nxp,sja1105r + - nxp,sja1105s + - nxp,sja1110a + - nxp,sja1110b + - nxp,sja1110c + - nxp,sja1110d + + reg: + maxItems: 1 + + # Optional container node for the 2 internal MDIO buses of the SJA1110 + # (one for the internal 100base-T1 PHYs and the other for the single + # 100base-TX PHY). The "reg" property does not have physical significance. + # The PHY addresses to port correspondence is as follows: for 100base-T1, + # port 5 has PHY 1, port 6 has PHY 2 etc, while for 100base-TX, port 1 has + # PHY 1. + mdios: + type: object + + properties: + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + patternProperties: + "^mdio@[0-1]$": + type: object + + allOf: + - $ref: "http://devicetree.org/schemas/net/mdio.yaml#" + + properties: + compatible: + oneOf: + - enum: + - nxp,sja1110-base-t1-mdio + - nxp,sja1110-base-tx-mdio + + reg: + oneOf: + - enum: + - 0 + - 1 + + required: + - compatible + - reg + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-switch@1 { + reg = <0x1>; + compatible = "nxp,sja1105t"; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + phy-handle = <&rgmii_phy6>; + phy-mode = "rgmii-id"; + reg = <0>; + }; + + port@1 { + phy-handle = <&rgmii_phy3>; + phy-mode = "rgmii-id"; + reg = <1>; + }; + + port@2 { + phy-handle = <&rgmii_phy4>; + phy-mode = "rgmii-id"; + reg = <2>; + }; + + port@3 { + phy-mode = "rgmii-id"; + reg = <3>; + }; + + port@4 { + ethernet = <&enet2>; + phy-mode = "rgmii"; + reg = <4>; + + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; + }; |