From: Philippe Schenker philippe.schenker@toradex.com
[ Upstream commit 136f88458d829987548b3321e7122e05acd78dd9 ]
Add USB dual-role switching using extcon.
Signed-off-by: Philippe Schenker philippe.schenker@toradex.com Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 8 ++++++++ arch/arm/boot/dts/imx7-colibri.dtsi | 5 ++--- 2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi index d6fa74222960..17ad9065646d 100644 --- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi @@ -20,6 +20,13 @@ 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"; @@ -141,6 +148,7 @@ &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 e20b0977f38f..4146564c3e4b 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -497,7 +497,7 @@ &uart3 { };
&usbotg1 { - dr_mode = "host"; + dr_mode = "otg"; };
&usdhc1 { @@ -525,8 +525,7 @@ &usdhc3 {
&iomuxc { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3 &pinctrl_gpio4 - &pinctrl_usbc_det>; + pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3 &pinctrl_gpio4>;
/* * Atmel MXT touchsceen + Capacitive Touch Adapter