diff options
| author | Icenowy Zheng <uwu@icenowy.me> | 2022-12-06 13:52:24 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-08 16:47:19 +0100 |
| commit | 4e3a4fcd871274c0233ea498c685b118a21ff3d0 (patch) | |
| tree | d8bada4c478a0cbcc1d9e23f7eb70645dba7e678 | |
| parent | 38cea8e31e9ef143187135d714aed4d7bd18463c (diff) | |
dt-bindings: usb: Add binding for Genesys Logic GL850G hub controller
The Genesys Logic GL850G is a USB 2.0 Single TT hub controller that
features 4 downstream ports, an internal 5V-to-3.3V LDO regulator (can
be bypassed) and an external reset pin.
Add a device tree binding for its USB protocol part. The internal LDO is
not covered by this and can just be modelled as a fixed regulator.
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221206055228.306074-3-uwu@icenowy.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/genesys,gl850g.yaml | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml new file mode 100644 index 000000000000..a9f831448cca --- /dev/null +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Genesys Logic GL850G USB 2.0 hub controller + +maintainers: + - Icenowy Zheng <uwu@icenowy.me> + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + enum: + - usb5e3,608 + + reg: true + + reset-gpios: + description: GPIO controlling the RESET# pin. + + vdd-supply: + description: + the regulator that provides 3.3V core power to the hub. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + hub: hub@1 { + compatible = "usb5e3,608"; + reg = <1>; + reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>; + }; + }; |