linux-kernel - [PATCH 5.19 0205/1157] ARM: dts: imx7-colibri: add usb dual-role switching using extcon

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Date:   Mon, 15 Aug 2022 19:52:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0205/1157] ARM: dts: imx7-colibri: add usb dual-role switching using extcon

From: Philippe Schenker <philippe.schenker@...adex.com>

[ Upstream commit 136f88458d829987548b3321e7122e05acd78dd9 ]

Add USB dual-role switching using extcon.

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.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
-- 
2.35.1