lkml.org 
[lkml]   [2018]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] dt-bindings: phy: phy-rockchip-typec: add usb3 otg reset
Date
This patch adds USB3 OTG reset property for rk3399 Type-C PHY
to hold the USB3 controller in reset state.

Signed-off-by: William Wu <william.wu@rock-chips.com>
---
Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
index 6ea867e..db2902e 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
@@ -13,7 +13,7 @@ Required properties:
- assigned-clock-rates : the phy core clk frequency, shall be: 50000000
- resets : a list of phandle + reset specifier pairs
- reset-names : string reset name, must be:
- "uphy", "uphy-pipe", "uphy-tcphy"
+ "uphy", "uphy-pipe", "uphy-tcphy", "usb3-otg"
- extcon : extcon specifier for the Power Delivery

Note, there are 2 type-c phys for RK3399, and they are almost identical, except
@@ -56,8 +56,9 @@ Example:
assigned-clock-rates = <50000000>;
resets = <&cru SRST_UPHY0>,
<&cru SRST_UPHY0_PIPE_L00>,
- <&cru SRST_P_UPHY0_TCPHY>;
- reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ <&cru SRST_P_UPHY0_TCPHY>,
+ <&cru SRST_A_USB3_OTG0>;
+ reset-names = "uphy", "uphy-pipe", "uphy-tcphy", "usb3-otg";
rockchip,typec-conn-dir = <0xe580 0 16>;
rockchip,usb3tousb2-en = <0xe580 3 19>;
rockchip,external-psm = <0xe588 14 30>;
@@ -84,8 +85,9 @@ Example:
assigned-clock-rates = <50000000>;
resets = <&cru SRST_UPHY1>,
<&cru SRST_UPHY1_PIPE_L00>,
- <&cru SRST_P_UPHY1_TCPHY>;
- reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ <&cru SRST_P_UPHY1_TCPHY>,
+ <&cru SRST_A_USB3_OTG1>;
+ reset-names = "uphy", "uphy-pipe", "uphy-tcphy", "usb3-otg";
rockchip,typec-conn-dir = <0xe58c 0 16>;
rockchip,usb3tousb2-en = <0xe58c 3 19>;
rockchip,external-psm = <0xe594 14 30>;
--
2.0.0

\
 
 \ /
  Last update: 2018-01-14 23:25    [W:0.128 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site