[Patch v2 11/14] ARM: dts: imx6: Add disconnect-line-without-vbus property for usbphy

Peter Chen peter.chen at freescale.com
Tue Oct 22 01:58:45 EDT 2013


When the vbus is not there and the PHY is out of power, we need to
disconnect connection between USB PHY and USB controller, otherwise
the unexpected USB wakeup will occur due to dp/dm change at device
mode.

Signed-off-by: Peter Chen <peter.chen at freescale.com>
---
 arch/arm/boot/dts/imx6qdl.dtsi |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 145ece2..89eeda7 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -542,6 +542,7 @@
 				interrupts = <0 44 0x04>;
 				clocks = <&clks 182>;
 				fsl,anatop = <&anatop>;
+				disconnect-line-without-vbus;
 			};
 
 			usbphy2: usbphy at 020ca000 {
-- 
1.7.1





More information about the linux-arm-kernel mailing list