bindings/net/mdio.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Andrew Lunn <andrew@lunn.ch>
11   - Florian Fainelli <f.fainelli@gmail.com>
12   - Heiner Kallweit <hkallweit1@gmail.com>
17   bus. These should follow the generic ethernet-phy.yaml document, or
22     pattern: '^mdio(-(bus|external))?(@.+|-([0-9]+))?$'
24   "#address-cells":
27   "#size-cells":
30   reset-gpios:
36   reset-delay-us:
40       requirements (maximum value of all per-device RESET pulse widths).
42   reset-post-delay-us:
44       Delay after reset deassert in microseconds. It applies to all MDIO
46       communication. This delay happens just before e.g. Ethernet PHY
49   clock-frequency:
55   suppress-preamble:
62   '@[0-9a-f]+$':
72       broken-turn-around:
79       reset-gpios:
84       reset-assert-us:
86           Delay after the reset was asserted in microseconds. If this
87           property is missing the delay will be skipped.
89       reset-deassert-us:
91           Delay after the reset was deasserted in microseconds. If
92           this property is missing the delay will be skipped.
95       - reg
100   - |
103         #address-cells = <1>;
104         #size-cells = <0>;
106         reset-gpios = <&gpio2 5 1>;
107         reset-delay-us = <2>;
109         ethphy0: ethernet-phy@1 {
113         ethphy1: ethernet-phy@3 {