[PATCH v1 1/4] arm: dts: colibri-imx6: usb dual-role switching

Marcel Ziswiler
2022-09-20T09:32:09Z

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

Introduce USBC_DET GPIO based USB dual-role aka device/host switching.

While at it re-work pinmux comment adding SODIMM number to the USBC_DET
entry.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---

arch/arm/boot/dts/imx6qdl-colibri.dtsi | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index 023e76215064..3e98b5da0cc6 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -24,6 +24,13 @@ backlight: backlight {
status = "disabled";
};

+ extcon_usbc_det: usbc-det {
+ compatible = "linux,extcon-usb-gpio";
+ id-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>; /* SODIMM 137 / USBC_DET */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbc_det>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
@@ -670,9 +677,11 @@ &uart3 {
status = "disabled";
};

+/* Colibri USBC */
&usbotg {
disable-over-current;
- dr_mode = "peripheral";
+ dr_mode = "otg";
+ extcon = <0>, <&extcon_usbc_det>;
status = "disabled";
};

@@ -1055,7 +1064,7 @@ MX6QDL_PAD_SD4_CMD__UART3_RX_DATA 0x1b0b1

pinctrl_usbc_det: usbcdetgrp {
fsl,pins = <
- /* USBC_DET */
+ /* SODIMM 137 / USBC_DET */
MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0
/* USBC_DET_OVERWRITE */
MX6QDL_PAD_RGMII_RXC__GPIO6_IO30 0x0f058