[linux-sunxi] [PATCH] ARM: dts: sun7i: Enable USB DRC on pcDuino v3 Nano

[hdegoede@redhat.com (Hans de Goede)]

Hi,

On 10/18/2015 12:08 AM, Adam Sampson wrote:
> 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 <ats@offog.org>

Looks good: Acked-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans


> ---
>   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 at 0 {
>   		allwinner,pins = "PH2";
> @@ -157,6 +161,13 @@
>   		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>   	};
>
> +	usb0_id_detect_pin: usb0_id_detect_pin at 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 at 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 = <&reg_usb1_vbus>;
>   	usb2_vbus-supply = <&reg_usb1_vbus>;
>   	status = "okay";
>