[PATCH v1 08/11] dt-bindings: usb: Add binding for Via lab VL817Q7 hub controller
From: Anand Moon
Date: Wed Dec 28 2022 - 05:06:35 EST
The VIA Lab VL817-Q7 is a USB 3.1 Gen 1 4-Port hub controller that
features 4 downstream ports, an internal 5V regulator and has
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: Anand Moon <linux.amoon@xxxxxxxxx>
---
.../bindings/usb/vialab,vl817q7.yaml | 47 +++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml
diff --git a/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml b/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml
new file mode 100644
index 000000000000..4ae995160fd5
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Via labs VL817Q7 USB 3.1 hub controller
+
+maintainers:
+ - Anand Moon <linux.amoon@xxxxxxxxx>
+
+allOf:
+ - $ref: usb-device.yaml#
+
+properties:
+ compatible:
+ enum:
+ - vialab,usb2109
+
+ reg: true
+
+ reset-gpios:
+ description: GPIO controlling the RESET# pin.
+
+ vdd-supply:
+ description:
+ the regulator that provides 5.0V 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 = "vialab,usb2109"
+ reg = <1>;
+ reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
+ };
+ };
--
2.38.1