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| author | Matthias Kaehlcke <mka@chromium.org> | 2021-06-10 00:02:45 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-15 15:48:35 +0200 |
| commit | 80ee6fc281b7f7b63db46b0eb0c95c0f9500767b (patch) | |
| tree | fe97455075b37534ea7aafde546abb7e76a1a306 | |
| parent | usb: mtu3: use clock bulk to get clocks (diff) | |
| download | linux-80ee6fc281b7f7b63db46b0eb0c95c0f9500767b.tar.xz linux-80ee6fc281b7f7b63db46b0eb0c95c0f9500767b.zip | |
dt-bindings: usb: Add binding for Realtek RTS5411 hub controller
The Realtek RTS5411 is a USB 3.0 hub controller with 4 ports.
This initial version of the binding only describes USB related
aspects of the RTS5411, it does not cover the option of
connecting the controller as an i2c slave.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210609150159.v12.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/realtek,rts5411.yaml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml new file mode 100644 index 000000000000..04ee255eb4f0 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding for the Realtek RTS5411 USB 3.0 hub controller + +maintainers: + - Matthias Kaehlcke <mka@chromium.org> + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + items: + - enum: + - usbbda,5411 + - usbbda,411 + + reg: true + + vdd-supply: + description: + phandle to the regulator that provides power to the hub. + + companion-hub: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: + phandle to the companion hub on the controller. + +required: + - companion-hub + - compatible + - reg + +additionalProperties: false + +examples: + - | + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usbbda,5411"; + reg = <1>; + vdd-supply = <&pp3300_hub>; + companion-hub = <&hub_3_0>; + }; + + /* 3.0 hub on port 2 */ + hub_3_0: hub@2 { + compatible = "usbbda,411"; + reg = <2>; + vdd-supply = <&pp3300_hub>; + companion-hub = <&hub_2_0>; + }; + }; |