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authorSamuel Holland <samuel@sholland.org>2022-02-14 06:01:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-17 16:21:57 +0100
commit71c16066a53f6ac7e925476070c4dbecfbeceee0 (patch)
treeaa8ef820ca633c5db93b81276e6f776be528337e
parentdt-bindings: vendor-prefixes: Add willsemi (diff)
downloadlinux-71c16066a53f6ac7e925476070c4dbecfbeceee0.tar.xz
linux-71c16066a53f6ac7e925476070c4dbecfbeceee0.zip
dt-bindings: usb: Add WUSB3801 Type-C Port Controller
Add devicetree support for the Will Semiconductor WUSB3801. This is a basic non-PD Type-C port controller. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Samuel Holland <samuel@sholland.org> Link: https://lore.kernel.org/r/20220214050118.61015-3-samuel@sholland.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml75
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml b/Documentation/devicetree/bindings/usb/willsemi,wusb3801.yaml
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index 000000000000..c2b2243c7892
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+++ 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@sholland.org>
+
+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;
+ };
+ };
+ };