Looks like we can use some USB Ethernet dongles for example if we increase the allowed power limit. A similar PMIC MC13783 documents maximum current limit as 350 mA in in "Table 10-3. VUSB Regulator Main Characteristics". Since we have no other documentation, let's use that value as the limit. Cc: Jacopo Mondi <jacopo@xxxxxxxxxx> Cc: Marcel Partap <mpartap@xxxxxxx> Cc: Merlijn Wajer <merlijn@xxxxxxxxxx> Cc: Michael Scott <hashcode0f@xxxxxxxxx> Cc: NeKit <nekit1000@xxxxxxxxx> Cc: Pavel Machek <pavel@xxxxxx> Cc: Sebastian Reichel <sre@xxxxxxxxxx> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -781,7 +781,12 @@ &usb_otg_hs { interface-type = <1>; mode = <3>; - power = <50>; + + /* + * Max 350 mA steps based on similar PMIC MC13783UG.pdf "Table 10-3. + * VUSB Regulator Main Characteristics". Binding uses 2 mA units. + */ + power = <175>; }; &i2c4 { -- 2.23.0