[PATCH v2 3/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY
From: Sean Paul <hidden>
Date: 2018-05-11 14:43:09
Also in:
dri-devel, linux-rockchip, lkml
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 <redacted>
Adding Rob Herring so he has a hope of seeing this.
quoted hunk ↗ jump to hunk
--- 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