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-rw-r--r--Documentation/devicetree/bindings/usb/usb3503.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt
index 6813a715fc7d..8c5be48b43c8 100644
--- a/Documentation/devicetree/bindings/usb/usb3503.txt
+++ b/Documentation/devicetree/bindings/usb/usb3503.txt
@@ -4,6 +4,10 @@ Required properties:
- compatible: Should be "smsc,usb3503".
- reg: Specifies the i2c slave address, it should be 0x08.
- connect-gpios: Should specify GPIO for connect.
+- disabled-ports: Should specify the ports unused.
+ '1' or '2' or '3' are availe for this property to describe the port
+ number. 1~3 property values are possible to be desribed.
+ Do not describe this property if all ports have to be enabled.
- intn-gpios: Should specify GPIO for interrupt.
- reset-gpios: Should specify GPIO for reset.
- initial-mode: Should specify initial mode.
@@ -14,6 +18,7 @@ Examples:
compatible = "smsc,usb3503";
reg = <0x08>;
connect-gpios = <&gpx3 0 1>;
+ disabled-ports = <2 3>;
intn-gpios = <&gpx3 4 1>;
reset-gpios = <&gpx3 5 1>;
initial-mode = <1>;
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