Re: [PATCH 3/3] ARM: dts: colibri-imx7: add usb dual-role switch capability

From: Oleksandr Suvorov
Date: Fri Jul 10 2020 - 09:47:24 EST


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

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

>
> ---
>
> 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";
> + id-gpio = <&gpio7 14 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbc_det>;
> + };
> +
> +
> gpio-keys {
> compatible = "gpio-keys";
> pinctrl-names = "default";
> @@ -174,6 +182,7 @@ &uart3 {
> };
>
> &usbotg1 {
> + extcon = <0>, <&extcon_usbc_det>;
> status = "okay";
> };
>
> diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
> index e18e89dec879..caea90d2421f 100644
> --- a/arch/arm/boot/dts/imx7-colibri.dtsi
> +++ b/arch/arm/boot/dts/imx7-colibri.dtsi
> @@ -457,7 +457,7 @@ &uart3 {
> };
>
> &usbotg1 {
> - dr_mode = "host";
> + dr_mode = "otg";
> };
>
> &usdhc1 {
> @@ -486,7 +486,7 @@ &usdhc3 {
> &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3 &pinctrl_gpio4
> - &pinctrl_gpio7 &pinctrl_usbc_det>;
> + &pinctrl_gpio7>;
>
> pinctrl_gpio1: gpio1-grp {
> fsl,pins = <
> --
> 2.27.0
>


--
Best regards

Oleksandr Suvorov
cryosay@xxxxxxxxx

--
Best regards
Oleksandr Suvorov

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