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# 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;
};
};
};
};
};
|
