The OTG arrangement on the LinkSprite pcDuino v3 Nano is the same as the pcDuino 1/2/3: the OTG port's 5V line is connected directly to the 5V bus (it's not switchable), and the OTG port's ID pin is connected to PH4 on the A20.
Tested successfully in both host and device modes. Signed-off-by: Adam Sampson <[email protected]> --- arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts b/arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts index beac431..1757a6a 100644 --- a/arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts +++ b/arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts @@ -142,6 +142,10 @@ status = "okay"; }; +&otg_sram { + status = "okay"; +}; + &pio { ahci_pwr_pin_pcduino3_nano: ahci_pwr_pin@0 { allwinner,pins = "PH2"; @@ -157,6 +161,13 @@ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; }; + usb0_id_detect_pin: usb0_id_detect_pin@0 { + allwinner,pins = "PH4"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; + }; + usb1_vbus_pin_pcduino3_nano: usb1_vbus_pin@0 { allwinner,pins = "PD2"; allwinner,function = "gpio_out"; @@ -211,7 +222,15 @@ status = "okay"; }; +&usb_otg { + dr_mode = "otg"; + status = "okay"; +}; + &usbphy { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_id_detect_pin>; + usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ usb1_vbus-supply = <®_usb1_vbus>; usb2_vbus-supply = <®_usb1_vbus>; status = "okay"; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
