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 Changes in v3: - modify property description and add this property to example
.../devicetree/bindings/phy/phy-rockchip-typec.txt | 29 +++++++++++++++++++++- 1 file changed, 28 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..af298f2 100644 --- a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt @@ -17,7 +17,8 @@ Required properties:
Optional properties: - extcon : extcon specifier for the Power Delivery - + - rockchip,phy_config : A list of voltage swing(mv) and pre-emphasis + (dB) pairs. 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: @@ -50,6 +51,19 @@ Example: <&cru SRST_P_UPHY0_TCPHY>; reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ rockchip,phy_config =<0x2a 0x00 + 0x1f 0x15 + 0x14 0x22 + 0x02 0x2b + 0x21 0x00 + 0x12 0x15 + 0x02 0x22 + 0 0 + 0x15 0x00 + 0x00 0x15 + 0 0 + 0 0>; + tcphy0_dp: dp-port { #phy-cells = <0>; }; @@ -74,6 +88,19 @@ Example: <&cru SRST_P_UPHY1_TCPHY>; reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ rockchip,phy_config =<0x2a 0x00 + 0x1f 0x15 + 0x14 0x22 + 0x02 0x2b + 0x21 0x00 + 0x12 0x15 + 0x02 0x22 + 0 0 + 0x15 0x00 + 0x00 0x15 + 0 0 + 0 0>; + tcphy1_dp: dp-port { #phy-cells = <0>; };