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

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Message-Id: <20200710132423.497230-2-philippe.schenker@toradex.com>
Date:   Fri, 10 Jul 2020 15:24:22 +0200
From:   Philippe Schenker <philippe.schenker@...adex.com>
To:     devicetree@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>
Cc:     Philippe Schenker <philippe.schenker@...adex.com>,
        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: [PATCH 2/3] ARM: dts: colibri-imx6: add usb dual-role switch capability

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>
---

 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