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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/aeonsemi,as21xxx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Aeonsemi AS21XXX Ethernet PHY
maintainers:
- Christian Marangi <ansuelsmth@gmail.com>
description: |
Aeonsemi AS21xxx Ethernet PHYs requires a firmware to be loaded to actually
work. The same firmware is compatible with various PHYs of the same family.
A PHY with not firmware loaded will be exposed on the MDIO bus with ID
0x7500 0x7500 or 0x7500 0x9410 on C45 registers.
This can be done and is implemented by OEM in 2 different way:
- Attached SPI flash directly to the PHY with the firmware. The PHY
will self load the firmware in the presence of this configuration.
- Manually provided firmware loaded from a file in the filesystem.
Each PHY can support up to 5 LEDs.
AS2xxx PHY Name logic:
AS21x1xxB1
^ ^^
| |J: Supports SyncE/PTP
| |P: No SyncE/PTP support
| 1: Supports 2nd Serdes
| 2: Not 2nd Serdes support
0: 10G, 5G, 2.5G
5: 5G, 2.5G
2: 2.5G
allOf:
- $ref: ethernet-phy.yaml#
select:
properties:
compatible:
contains:
enum:
- ethernet-phy-id7500.9410
- ethernet-phy-id7500.9402
- ethernet-phy-id7500.9412
- ethernet-phy-id7500.9422
- ethernet-phy-id7500.9432
- ethernet-phy-id7500.9442
- ethernet-phy-id7500.9452
- ethernet-phy-id7500.9462
- ethernet-phy-id7500.9472
- ethernet-phy-id7500.9482
- ethernet-phy-id7500.9492
required:
- compatible
properties:
reg:
maxItems: 1
firmware-name:
description: specify the name of PHY firmware to load
maxItems: 1
required:
- compatible
- reg
if:
properties:
compatible:
contains:
const: ethernet-phy-id7500.9410
then:
required:
- firmware-name
else:
properties:
firmware-name: false
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/leds/common.h>
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethernet-phy@1f {
compatible = "ethernet-phy-id7500.9410",
"ethernet-phy-ieee802.3-c45";
reg = <31>;
firmware-name = "as21x1x_fw.bin";
leds {
#address-cells = <1>;
#size-cells = <0>;
led@0 {
reg = <0>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
function-enumerator = <0>;
default-state = "keep";
};
led@1 {
reg = <1>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
function-enumerator = <1>;
default-state = "keep";
};
};
};
};
|
