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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/eswin,eic7700-sata-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Eswin EIC7700 SoC SATA PHY
maintainers:
- Yulin Lu <luyulin@eswincomputing.com>
- Huan He <hehuan1@eswincomputing.com>
properties:
compatible:
const: eswin,eic7700-sata-phy
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: phy
resets:
maxItems: 2
reset-names:
items:
- const: port
- const: phy
eswin,tx-amplitude-tuning:
description: This adjusts the transmitter amplitude signal, and its value
is derived from eye diagram tuning. The three values correspond to Gen1,
Gen2, and Gen3 parameters respectively.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: Gen1 parameter.
minimum: 0
maximum: 0x7f
- description: Gen2 parameter.
minimum: 0
maximum: 0x7f
- description: Gen3 parameter.
minimum: 0
maximum: 0x7f
default: [0, 0, 0]
eswin,tx-preemph-tuning:
description: This adjusts the transmitter de-emphasis signal, and its value
is derived from eye diagram tuning. The three values correspond to Gen1,
Gen2, and Gen3 parameters respectively.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: Gen1 parameter.
minimum: 0
maximum: 0x3f
- description: Gen2 parameter.
minimum: 0
maximum: 0x3f
- description: Gen3 parameter.
minimum: 0
maximum: 0x3f
default: [0, 0, 0]
"#phy-cells":
const: 0
required:
- compatible
- reg
- clocks
- clock-names
- resets
- reset-names
- "#phy-cells"
additionalProperties: false
examples:
- |
sata-phy@50440300 {
compatible = "eswin,eic7700-sata-phy";
reg = <0x50440300 0x40>;
clocks = <&hspcrg 17>;
clock-names = "phy";
resets = <&hspcrg 0>, <&hspcrg 1>;
reset-names = "port", "phy";
#phy-cells = <0>;
};
|
