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dt-bindings: usb: renesas,usb3-peri: Document HS and SS data bus 

Document HS and SS data bus for the "usb-role-switch" enabled case.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200920134905.4370-4-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Biju Das 2020-09-20 14:49:02 +01:00 committed by Greg Kroah-Hartman
parent cde8019157
commit 1c6e8ee63a
1 changed files with 29 additions and 5 deletions
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34
Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml
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@ -53,11 +53,24 @@ properties:
$ref: /schemas/types.yaml#/definitions/phandle
description: phandle of a companion.
port:
ports:
description: |
any connector to the data bus of this controller should be modelled
using the OF graph bindings specified, if the "usb-role-switch"
property is used.
type: object
properties:
port@0:
type: object
description: High Speed (HS) data bus.
port@1:
type: object
description: Super Speed (SS) data bus.
required:
- port@0
- port@1
required:
- compatible
@ -80,9 +93,20 @@ examples:
companion = <&xhci0>;
usb-role-switch;
port {
usb3_role_switch: endpoint {
remote-endpoint = <&hd3ss3220_ep>;
};
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
usb3_hs_ep: endpoint {
remote-endpoint = <&hs_ep>;
};
};
port@1 {
reg = <1>;
usb3_role_switch: endpoint {
remote-endpoint = <&hd3ss3220_out_ep>;
};
};
};
};