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    Subject[PATCH 3/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY
    Date
    If want to do training outside DP Firmware, need phy voltage swing
    and pre_emphasis value.

    Signed-off-by: Lin Huang <hl@rock-chips.com>
    ---
    Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
    index 960da7f..eda26dd 100644
    --- a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
    +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
    @@ -17,7 +17,9 @@ Required properties:

    Optional properties:
    - extcon : extcon specifier for the Power Delivery
    -
    + - rockchip,phy_config : That's phy voltage swing and pre_emphasis
    + setting, if want to do dp training outside
    + dp firmware, need to add these value.
    Required nodes : a sub-node is required for each port the phy provides.
    The sub-node name is used to identify dp or usb3 port,
    and shall be the following entries:
    --
    2.7.4
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