linux-kernel - [PATCH v2 04/24] ARM: dts: imx7-colibri: add usb dual-role switching using extcon

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Date:   Mon, 16 May 2022 15:47:14 +0200
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Philippe Schenker <philippe.schenker@...adex.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Frank Rowand <frowand.list@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 04/24] ARM: dts: imx7-colibri: add usb dual-role switching using extcon

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

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>
---

(no changes since v1)

 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 3c1cfd766645..6df82a67953a 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -512,7 +512,7 @@ &uart3 {
 };
 
 &usbotg1 {
-	dr_mode = "host";
+	dr_mode = "otg";
 };
 
 &usdhc1 {
@@ -540,8 +540,7 @@ &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