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author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2017-02-21 11:59:47 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-17 05:24:48 +0100 |
commit | 5095cb89c62acc78b4cfaeb9a4072979d010510a (patch) | |
tree | 1ce6f59d08f8cd1e4fff9f67f93e6f931aff4233 /Documentation | |
parent | usbip: Fix implicit fallthrough warning (diff) | |
download | linux-5095cb89c62acc78b4cfaeb9a4072979d010510a.tar.xz linux-5095cb89c62acc78b4cfaeb9a4072979d010510a.zip |
usb: of: add functions to bind a companion controller
EHCI controllers will have a companion controller. However, on platform
bus, there was difficult to bind them in previous code. So, this
patch adds helper functions to bind them using a "companion" property.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/usb/generic.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt index bfadeb1c3bab..0a74ab8dfdc2 100644 --- a/Documentation/devicetree/bindings/usb/generic.txt +++ b/Documentation/devicetree/bindings/usb/generic.txt @@ -22,6 +22,7 @@ Optional properties: property is used if any real OTG features(HNP/SRP/ADP) is enabled, if ADP is required, otg-rev should be 0x0200 or above. + - companion: phandle of a companion - hnp-disable: tells OTG controllers we want to disable OTG HNP, normally HNP is the basic function of real OTG except you want it to be a srp-capable only B device. |