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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>
This commit is contained in:
Michael Trimarchi 2015-11-15 11:48:48 +01:00 committed by Rob Herring
parent 22697acdd7
commit 2729f62c96
1 changed files with 4 additions and 1 deletions
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5
Documentation/devicetree/bindings/usb/usb3503.txt
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@ -18,7 +18,8 @@ Optional properties:
- refclk: Clock used for driving REFCLK signal (optional, if not provided - refclk: Clock used for driving REFCLK signal (optional, if not provided
the driver assumes that clock signal is always available, its the driver assumes that clock signal is always available, its
rate is specified by REF_SEL pins and a value from the primary 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 - refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL
pins (optional, if not provided, driver will not set rate of the pins (optional, if not provided, driver will not set rate of the
REFCLK signal and assume that a value from the primary reference REFCLK signal and assume that a value from the primary reference
@ -33,4 +34,6 @@ Examples:
intn-gpios = <&gpx3 4 1>; intn-gpios = <&gpx3 4 1>;
reset-gpios = <&gpx3 5 1>; reset-gpios = <&gpx3 5 1>;
initial-mode = <1>; initial-mode = <1>;
clocks = <&clks 80>;
clock-names = "refclk";
}; };