| Message ID | 1430041299-24874-2-git-send-email-lyz@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, Am Sonntag, 26. April 2015, 17:41:39 schrieb Yunzhi Li: > rk3288-firefly board use the dwc2 usb otg controller as a host > controller and the device mode not used, so the dr_mode should be > "host" then the dwc2 usb otg controller will work at host only > mode > > Signed-off-by: Yunzhi Li <lyz@rock-chips.com> Not sure I understand. Is this some sort of hardware limitation? Because when for example flashing a kernel via upgrade_tool it is working just fine as gadget. If it is a software choice, this should not be made in the devicetree, as the dt describes the hardware alone. Heiko > > --- > > arch/arm/boot/dts/rk3288-firefly.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi > b/arch/arm/boot/dts/rk3288-firefly.dtsi index e6f873a..a861776 100644 > --- a/arch/arm/boot/dts/rk3288-firefly.dtsi > +++ b/arch/arm/boot/dts/rk3288-firefly.dtsi > @@ -466,6 +466,7 @@ > }; > > &usb_otg { > + dr_modr = "host"; > status = "okay"; > };
Hello. On 4/26/2015 12:41 PM, Yunzhi Li wrote: > rk3288-firefly board use the dwc2 usb otg controller as a host > controller and the device mode not used, so the dr_mode should be > "host" then the dwc2 usb otg controller will work at host only > mode > Signed-off-by: Yunzhi Li <lyz@rock-chips.com> > --- > arch/arm/boot/dts/rk3288-firefly.dtsi | 1 + > 1 file changed, 1 insertion(+) > diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi > index e6f873a..a861776 100644 > --- a/arch/arm/boot/dts/rk3288-firefly.dtsi > +++ b/arch/arm/boot/dts/rk3288-firefly.dtsi > @@ -466,6 +466,7 @@ > }; > > &usb_otg { > + dr_modr = "host"; You meant to type "dr_mode". WBR, Sergei
diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi index e6f873a..a861776 100644 --- a/arch/arm/boot/dts/rk3288-firefly.dtsi +++ b/arch/arm/boot/dts/rk3288-firefly.dtsi @@ -466,6 +466,7 @@ }; &usb_otg { + dr_modr = "host"; status = "okay"; };
rk3288-firefly board use the dwc2 usb otg controller as a host controller and the device mode not used, so the dr_mode should be "host" then the dwc2 usb otg controller will work at host only mode Signed-off-by: Yunzhi Li <lyz@rock-chips.com> --- arch/arm/boot/dts/rk3288-firefly.dtsi | 1 + 1 file changed, 1 insertion(+)