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

From: Philippe Schenker
Date: Fri Jul 10 2020 - 09:24:54 EST


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>
---

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