On 06.07.2017 04:24, Peter Chen wrote: > On Wed, Jul 05, 2017 at 08:19:53PM +0300, Dmitry Osipenko wrote: >> From: Thierry Reding <[email protected]> >> >> Override the compatible string of the first USB controller to enable >> device mode. >> >> Signed-off-by: Thierry Reding <[email protected]> >> --- >> arch/arm/boot/dts/tegra20-trimslice.dts | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts >> b/arch/arm/boot/dts/tegra20-trimslice.dts >> index b902ab594afa..96b4f3f9827b 100644 >> --- a/arch/arm/boot/dts/tegra20-trimslice.dts >> +++ b/arch/arm/boot/dts/tegra20-trimslice.dts >> @@ -336,7 +336,9 @@ >> }; >> >> usb@c5000000 { >> + compatible = "nvidia,tegra20-udc"; >> status = "okay"; >> + dr_mode = "otg"; > > If this board supports peripheral-only, you need to > set dr_mode as "peripheral". >
It should support OTG, but we aren't going to implement the host mode switch for now. Stephen claims that the host mode is working with the tegra-ehci driver, it would be nice if anyone could confirm this. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
