linux-kernel - Re: [PATCH 2/3] ARM: dts: colibri-imx6: add usb dual-role switch capability

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Message-ID: <CAGgjyvE2DX0ntVDtM0_dDRE1j-VWofNXNkoccuDXuk1Q6A7ytw@mail.gmail.com>
Date:   Fri, 10 Jul 2020 16:45:00 +0300
From:   Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To:     Philippe Schenker <philippe.schenker@...adex.com>
Cc:     devicetree@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ARM: dts: colibri-imx6: add usb dual-role switch capability

On Fri, Jul 10, 2020 at 4:26 PM Philippe Schenker
<philippe.schenker@...adex.com> 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@...adex.com>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>

> ---
>
>  arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 8 ++++++++
>  arch/arm/boot/dts/imx6qdl-colibri.dtsi       | 2 +-
>  2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> index 65359aece950..c978b3f19a2d 100644
> --- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> @@ -45,6 +45,13 @@ clk16m: clock-16m {
>                 clock-output-names = "clk16m";
>         };
>
> +       extcon_usbc_det: usbc_det {
> +               compatible = "linux,extcon-usb-gpio";
> +               id-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_usbc_det>;
> +       };
> +
>         gpio-keys {
>                 compatible = "gpio-keys";
>                 pinctrl-names = "default";
> @@ -220,6 +227,7 @@ &usbh1 {
>  };
>
>  &usbotg {
> +       extcon = <0>, <&extcon_usbc_det>;
>         status = "okay";
>  };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> index a4a54c82e28f..de49f9faa426 100644
> --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> @@ -363,7 +363,7 @@ &uart3 {
>
>  &usbotg {
>         disable-over-current;
> -       dr_mode = "peripheral";
> +       dr_mode = "otg";
>         status = "disabled";
>  };
>
> --
> 2.27.0
>


-- 
Best regards

Oleksandr Suvorov
cryosay@...il.com

-- 
Best regards
Oleksandr Suvorov

Toradex AG
Ebenaustrasse 10 | 6048 Horw | Switzerland | T: +41 41 500 48 00