linux-kernel - [RESEND PATCH v2 2/2] ARM: dts: colibri-imx7: add usb dual-role switch capability

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Date:   Thu, 16 Jul 2020 14:58:30 +0200
From:   Philippe Schenker <philippe.schenker@...adex.com>
To:     devicetree@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>
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: [RESEND PATCH v2 2/2] ARM: dts: colibri-imx7: 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/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