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November 2026, 10:53:29 Mitteleurop=C3=A4ische Normalzeit s= chrieb Chen-Yu Tsai: > TI USB8020B is another USB 3.0 hub that currently has a separate yet > similar, albeit more limited binding. >=20 > Fold the TI USB8020B compatibles into the TI USB8041 binding, thus > allowing the TI USB8020B to correctly allow downstream ports through > the common USB hub binding. >=20 > The requirement of "peer-hub" is relaxed, as done in commit e44297dd2b75 > ("dt-bindings: usb: ti,usb8041: Support nested USB hubs"). The hub chip > might only have its HighSpeed data lines connected, and thus would not > have a SuperSpeed peer hub. >=20 > Signed-off-by: Chen-Yu Tsai Looks good to me: Acked-by: Alexander Stein > --- > Cc: Macpaul Lin > --- > .../devicetree/bindings/usb/ti,usb8020b.yaml | 69 ------------------- > .../devicetree/bindings/usb/ti,usb8041.yaml | 5 +- > 2 files changed, 4 insertions(+), 70 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/usb/ti,usb8020b.yaml >=20 > diff --git a/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml b/Doc= umentation/devicetree/bindings/usb/ti,usb8020b.yaml > deleted file mode 100644 > index 61217da8b2f3..000000000000 > --- a/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml > +++ /dev/null > @@ -1,69 +0,0 @@ > -# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > -%YAML 1.2 > ---- > -$id: http://devicetree.org/schemas/usb/ti,usb8020b.yaml# > -$schema: http://devicetree.org/meta-schemas/core.yaml# > - > -title: TI USB8020B USB 3.0 hub controller > - > -maintainers: > - - Macpaul Lin > - > -allOf: > - - $ref: usb-device.yaml# > - > -properties: > - compatible: > - enum: > - - usb451,8025 > - - usb451,8027 > - > - reg: true > - > - reset-gpios: > - items: > - - description: GPIO specifier for GRST# pin. > - > - vdd-supply: > - description: > - VDD power supply to the hub > - > - peer-hub: > - $ref: /schemas/types.yaml#/definitions/phandle > - description: > - phandle to the peer hub on the controller. > - > -required: > - - compatible > - - reg > - - peer-hub > - > -additionalProperties: false > - > -examples: > - - | > - #include > - > - usb { > - dr_mode =3D "host"; > - #address-cells =3D <1>; > - #size-cells =3D <0>; > - > - /* 2.0 hub on port 1 */ > - hub_2_0: hub@1 { > - compatible =3D "usb451,8027"; > - reg =3D <1>; > - peer-hub =3D <&hub_3_0>; > - reset-gpios =3D <&pio 7 GPIO_ACTIVE_HIGH>; > - vdd-supply =3D <&usb_hub_fixed_3v3>; > - }; > - > - /* 3.0 hub on port 2 */ > - hub_3_0: hub@2 { > - compatible =3D "usb451,8025"; > - reg =3D <2>; > - peer-hub =3D <&hub_2_0>; > - reset-gpios =3D <&pio 7 GPIO_ACTIVE_HIGH>; > - vdd-supply =3D <&usb_hub_fixed_3v3>; > - }; > - }; > diff --git a/Documentation/devicetree/bindings/usb/ti,usb8041.yaml b/Docu= mentation/devicetree/bindings/usb/ti,usb8041.yaml > index 07e13fae640b..74021d13a43a 100644 > --- a/Documentation/devicetree/bindings/usb/ti,usb8041.yaml > +++ b/Documentation/devicetree/bindings/usb/ti,usb8041.yaml > @@ -4,10 +4,11 @@ > $id: http://devicetree.org/schemas/usb/ti,usb8041.yaml# > $schema: http://devicetree.org/meta-schemas/core.yaml# > =20 > -title: TI USB8041 and USB8044 USB 3.0 hub controllers > +title: TI USB80xx USB 3.0 hub controllers > =20 > maintainers: > - Alexander Stein > + - Macpaul Lin > =20 > allOf: > - $ref: usb-device.yaml# > @@ -16,6 +17,8 @@ allOf: > properties: > compatible: > enum: > + - usb451,8025 > + - usb451,8027 > - usb451,8140 > - usb451,8142 > - usb451,8440 >=20 =2D-=20 TQ-Systems GmbH | M=C3=BChlstra=C3=9Fe 2, Gut Delling | 82229 Seefeld, Germ= any Amtsgericht M=C3=BCnchen, HRB 105018 Gesch=C3=A4ftsf=C3=BChrer: Detlef Schneider, R=C3=BCdiger Stahl, Stefan Sch= neider http://www.tq-group.com/