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dt-bindings: phy-rockchip-inno-usb2: add rockchip,usbgrf property

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Add rockchip,usbgrf property to support the registers of usb-phy
that are distributed in grf and usbgrf on some special Rockchip
SoCs (e.g RV1108).

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Frank Wang 2017-08-11 16:07:48 +08:00 committed by Kishon Vijay Abraham I
parent 1543645c31
commit c7527e07f0
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
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@ -18,6 +18,10 @@ Optional properties:
usb-phy output 480m and xin24m.
Refer to clk/clock-bindings.txt for generic clock
consumer properties.
- rockchip,usbgrf : phandle to the syscon managing the "usb general
register files". When set driver will request its
phandle as one companion-grf for some special SoCs
(e.g RV1108).
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,