[PATCH v3 2/4] dt-bindings: usb: Add WUSB3801 Type-C Port Controller

From: Samuel Holland
Date: Mon Feb 14 2022 - 00:01:38 EST


Add devicetree support for the Will Semiconductor WUSB3801. This is a
basic non-PD Type-C port controller.

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
---

(no changes since v1)

.../bindings/usb/willsemi,wusb3801.yaml | 75 +++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml

diff --git a/Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml b/Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml
new file mode 100644
index 000000000000..c2b2243c7892
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/willsemi,wusb3801.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: WUSB3801 Type-C port controller DT bindings
+
+description:
+ The Will Semiconductor WUSB3801 is a USB Type-C port controller which
+ supports role and plug orientation detection using the CC pins. It is
+ compatible with the USB Type-C Cable and Connector Specification v1.2.
+
+maintainers:
+ - Samuel Holland <samuel@xxxxxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - willsemi,wusb3801
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ connector:
+ type: object
+ $ref: ../connector/usb-connector.yaml#
+ description:
+ The managed USB Type-C connector. Since WUSB3801 does not support
+ Power Delivery, the node should have the "pd-disable" property.
+
+ properties:
+ compatible:
+ const: usb-c-connector
+
+ required:
+ - pd-disable
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - connector
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tcpc@60 {
+ compatible = "willsemi,wusb3801";
+ reg = <0x60>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ vbus-supply = <&otg_switch>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ typec-power-opmode = "default";
+ pd-disable;
+ };
+ };
+ };
--
2.33.1