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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/phy/phy-cadence-torrent.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Cadence Torrent SD0801 PHY binding for DisplayPort
description:
This binding describes the Cadence SD0801 PHY (also known as Torrent PHY)
hardware included with the Cadence MHDP DisplayPort controller.
maintainers:
- Swapnil Jakhade <sjakhade@cadence.com>
- Yuti Amonkar <yamonkar@cadence.com>
properties:
compatible:
enum:
- cdns,torrent-phy
- ti,j721e-serdes-10g
'#address-cells':
const: 1
'#size-cells':
const: 0
clocks:
maxItems: 1
description:
PHY reference clock. Must contain an entry in clock-names.
clock-names:
const: refclk
reg:
minItems: 1
maxItems: 2
items:
- description: Offset of the Torrent PHY configuration registers.
- description: Offset of the DPTX PHY configuration registers.
reg-names:
minItems: 1
maxItems: 2
items:
- const: torrent_phy
- const: dptx_phy
resets:
maxItems: 1
description:
Torrent PHY reset.
See Documentation/devicetree/bindings/reset/reset.txt
patternProperties:
'^phy@[0-7]+$':
type: object
description:
Each group of PHY lanes with a single master lane should be represented as a sub-node.
properties:
reg:
description:
The master lane number. This is the lowest numbered lane in the lane group.
resets:
minItems: 1
maxItems: 4
description:
Contains list of resets, one per lane, to get all the link lanes out of reset.
"#phy-cells":
const: 0
cdns,phy-type:
description:
Specifies the type of PHY for which the group of PHY lanes is used.
Refer include/dt-bindings/phy/phy.h. Constants from the header should be used.
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2, 3, 4, 5, 6]
cdns,num-lanes:
description:
Number of DisplayPort lanes.
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2, 4]
default: 4
cdns,max-bit-rate:
description:
Maximum DisplayPort link bit rate to use, in Mbps
$ref: /schemas/types.yaml#/definitions/uint32
enum: [2160, 2430, 2700, 3240, 4320, 5400, 8100]
default: 8100
required:
- reg
- resets
- "#phy-cells"
- cdns,phy-type
additionalProperties: false
required:
- compatible
- "#address-cells"
- "#size-cells"
- clocks
- clock-names
- reg
- reg-names
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/phy/phy.h>
torrent_phy: torrent-phy@f0fb500000 {
compatible = "cdns,torrent-phy";
reg = <0xf0 0xfb500000 0x0 0x00100000>,
<0xf0 0xfb030a00 0x0 0x00000040>;
reg-names = "torrent_phy", "dptx_phy";
resets = <&phyrst 0>;
clocks = <&ref_clk>;
clock-names = "refclk";
#address-cells = <1>;
#size-cells = <0>;
torrent_phy_dp: phy@0 {
reg = <0>;
resets = <&phyrst 1>, <&phyrst 2>,
<&phyrst 3>, <&phyrst 4>;
#phy-cells = <0>;
cdns,phy-type = <PHY_TYPE_DP>;
cdns,num-lanes = <4>;
cdns,max-bit-rate = <8100>;
};
};
...
|
