USB1 port is micro-AB type and can function as peripheral as well as host. Enable dual-role mode for USB1.
We don't want to use the OTG controller block on this platform as it limits host mode to high-speed. Instead we rely on extcon framework to give us ID events for dual-role mode detection. Signed-off-by: Roger Quadros <[email protected]> Signed-off-by: Sekhar Nori <[email protected]> --- arch/arm/boot/dts/dra7-evm.dts | 3 ++- arch/arm/boot/dts/dra72-evm-common.dtsi | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 4bc4b57..c408aaa 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -527,7 +527,8 @@ }; &usb1 { - dr_mode = "peripheral"; + dr_mode = "otg"; + extcon = <&extcon_usb1>; }; &usb2 { diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi index ad24544..8578054 100644 --- a/arch/arm/boot/dts/dra72-evm-common.dtsi +++ b/arch/arm/boot/dts/dra72-evm-common.dtsi @@ -392,7 +392,8 @@ }; &usb1 { - dr_mode = "peripheral"; + dr_mode = "otg"; + extcon = <&extcon_usb1>; }; &usb2 { -- 2.7.4
