usb: misc: usb3503: Describe better how to bind clock to the hub

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt
index 52493b1..c1a0a91 100644 (file)
--- a/Documentation/devicetree/bindings/usb/usb3503.txt
+++ b/Documentation/devicetree/bindings/usb/usb3503.txt
@@ -18,7 +18,8 @@ Optional properties:
 - refclk: Clock used for driving REFCLK signal (optional, if not provided
        the driver assumes that clock signal is always available, its
        rate is specified by REF_SEL pins and a value from the primary
-       reference clock frequencies table is used)
+       reference clock frequencies table is used). Use clocks and
+       clock-names in order to assign it
 - refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL
        pins (optional, if not provided, driver will not set rate of the
        REFCLK signal and assume that a value from the primary reference
@@ -33,4 +34,6 @@ Examples:
                intn-gpios = <&gpx3 4 1>;
                reset-gpios = <&gpx3 5 1>;
                initial-mode = <1>;
+               clocks = <&clks 80>;
+               clock-names = "refclk";
        };