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Subject[PATCH v2 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>
---
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.
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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