On Mon, Oct 21, 2019 at 07:16:54PM +0300, Igor Opaniuk wrote:
> From: Igor Opaniuk <igor.opaniuk@xxxxxxxxxxx>
>
> Add extcon usb gpio configuration for support dual roles for usbotg1.
>
> USB host/gadget switching test (1. USB NIC emulation; 2. USB storage):
>
> [ 52.491957] ci_hdrc ci_hdrc.1: switching to gadget role
> [ 52.502911] mxs_phy 20c9000.usbphy: vbus is not valid
> [ 56.749160] using random self ethernet address
> [ 56.758637] using random host ethernet address
> [ 65.768968] usb0: HOST MAC 00:14:2d:ff:ff:fe
> [ 65.887980] usb0: MAC 00:14:2d:ff:ff:ff
> [ 66.294961] configfs-gadget gadget: high-speed config #1: c
> [ 78.741971] ci_hdrc ci_hdrc.1: switching to host role
> [ 78.747522] ci_hdrc ci_hdrc.1: EHCI Host Controller
> [ 78.790174] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus
> number 2
> [ 78.868498] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@xxxxxxxxxxx>
> ---
>
> arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> index a78849fd2afa..988f1a800d5a 100644
> --- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> +++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> @@ -29,6 +29,14 @@
> clock-frequency = <16000000>;
> };
>
> + extcon_usbc_det: usbc_det {
Can we find a more generic name for the node? Also hyphen is preferred
over underscore in node name.
Shawn
> + compatible = "linux,extcon-usb-gpio";
> + debounce = <25>;
> + id-gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_snvs_usbc_det>;
> + };
> +
> panel: panel {
> compatible = "edt,et057090dhu";
> backlight = <&bl>;
> @@ -150,6 +158,7 @@
> };
>
> &usbotg1 {
> + extcon = <&extcon_usbc_det &extcon_usbc_det>;
> status = "okay";
> };
>
> --
> 2.17.1
>
