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SubjectRe: [PATCH 3/3] ARM: dts: colibri-imx7: add usb dual-role switch capability
On Mon, Jul 13, 2020 at 11:46:04AM +0200, Ahmad Fatoum wrote:
> Hello Philippe,
>
> On 7/10/20 3:24 PM, Philippe Schenker wrote:
> > Since the runtime-pm wakeup bug was fixed in
> > drivers/usb/chipidea/core.c usb dual-role host/device switching is
> > working. So make use of it.
> >
> > Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
> >
> > ---
> >
> > arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 9 +++++++++
> > arch/arm/boot/dts/imx7-colibri.dtsi | 4 ++--
> > 2 files changed, 11 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
> > index 97601375f264..db56a532a34a 100644
> > --- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
> > +++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
> > @@ -20,6 +20,14 @@ clk16m: clk16m {
> > clock-frequency = <16000000>;
> > };
> >
> > + extcon_usbc_det: usbc_det {
> > + compatible = "linux,extcon-usb-gpio";
>
> According to 4602f3bff266 ("usb: common: add USB GPIO based connection detection driver"):
> "the old way using extcon to support USB Dual-Role switch is now deprecated
> when use Type-B connector."
>
> Have you considered using a compatible = "gpio-usb-b-connector" child node instead?

I dropped patch #2 and #3 for now.

Shawn

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