dt-bindings: phy-rockchip-inno-usb2: add documentation for extcon property

Commit 98898f3bc8 ("phy: rockchip-inno-usb2: support otg-port for
rk3399") introduces the extcon property that is used to detect the
cable-state. Document this property in the documentation binding.

Fixes: 98898f3bc8 ("phy: rockchip-inno-usb2: support otg-port for rk3399")
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Enric Balletbo i Serra 2019-01-09 18:17:39 +01:00 committed by Kishon Vijay Abraham I
parent 8fa0402ba3
commit 68eab01c21

View File

@ -23,6 +23,8 @@ Optional properties:
register files". When set driver will request its
phandle as one companion-grf for some special SoCs
(e.g RV1108).
- extcon : phandle to the extcon device providing the cable state for
the otg phy.
Required nodes : a sub-node is required for each port the phy provides.
The sub-node name is used to identify host or otg port,