[3/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY
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Message ID 1525421338-1021-3-git-send-email-hl@rock-chips.com
State New
Headers show

Commit Message

huang lin May 4, 2018, 8:08 a.m. UTC
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(-)

Patch
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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: