vendor/device-tree/6.3

1 files changed, 71 insertions, 0 deletions

diff --git a/Bindings/usb/vialab,vl817.yaml b/Bindings/usb/vialab,vl817.yaml
new file mode 100644
index 000000000000..23a13e1d5c7a
--- /dev/null
+++ b/Bindings/usb/vialab,vl817.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Via labs VL817 USB 3.1 hub controller
+
+maintainers:
+  - Anand Moon <linux.amoon@gmail.com>
+
+allOf:
+  - $ref: usb-device.yaml#
+
+properties:
+  compatible:
+    enum:
+      - usb2109,2817
+      - usb2109,817
+
+  reg: true
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      GPIO controlling the RESET# pin.
+
+  vdd-supply:
+    description:
+      phandle to the regulator that provides power to the hub.
+
+  peer-hub:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to the peer hub on the controller.
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - vdd-supply
+  - peer-hub
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    usb {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* 2.0 hub on port 1 */
+        hub_2_0: hub@1 {
+            compatible = "usb2109,2817";
+            reg = <1>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_3_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+        };
+
+        /* 3.1 hub on port 4 */
+        hub_3_0: hub@2 {
+            compatible = "usb2109,817";
+            reg = <2>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_2_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+        };
+    };