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SubjectRe: [PATCH v2 3/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY
On Wed, May 09, 2018 at 06:22:43PM +0800, Lin Huang wrote:
> 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>

Adding Rob Herring so he has a hope of seeing this.

> ---
> Changes in v2:
> - rebase
>
> 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.

What are the units?

Sean

> 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
>

--
Sean Paul, Software Engineer, Google / Chromium OS

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