If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang <h...@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>;
};
--
2.7.4
