Now that we have support for the AXP221 PMIC's USB VBUS detection and DRIVEVBUS vbus control, we can use the USB OTG port in proper OTG mode. This patch enables the aforementioned PMIC functions, adds the OTG ID detection pin to the USB PHY node, and changes the mode of USB OTG to "otg". Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> --- arch/arm/boot/dts/sun6i-a31s-primo81.dts | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts b/arch/arm/boot/dts/sun6i-a31s-primo81.dts index f3712753fa42..73b163a7d9dd 100644 --- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts +++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts @@ -158,6 +158,7 @@ reg = <0x68>; interrupt-parent = <&nmi_intc>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + x-powers,drive-vbus-en; }; }; @@ -226,6 +227,11 @@ regulator-name = "vddio-csi"; }; +®_drivevbus { + regulator-name = "usb0-vbus"; + status = "okay"; +}; + ®_eldo3 { regulator-min-microvolt = <1080000>; regulator-max-microvolt = <1320000>; @@ -238,12 +244,18 @@ }; &usb_otg { - /* otg support requires support for AXP221 usb-power-supply and GPIO */ - dr_mode = "host"; + dr_mode = "otg"; + status = "okay"; +}; + +&usb_power_supply { status = "okay"; }; &usbphy { + usb0_id_det-gpio = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */ + usb0_vbus_power-supply = <&usb_power_supply>; + usb0_vbus-supply = <®_drivevbus>; usb1_vbus-supply = <®_dldo1>; status = "okay"; }; -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html