Add support for USB DR on USB1 interface. Host/Device detection is done
using the usb-role-switch connector.
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
Changes in v2:
* Split from previous series
* For now enable USB OTG only
.../freescale/imx8mp-tqma8mpql-mba8mpxl.dts | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
index d8ca52976170..b30d75b1fa47 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
@@ -459,6 +459,37 @@ &usdhc2 {
status = "okay";
};
+&usb3_phy0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb0>;
+ status = "okay";
+};
+
+&usb3_0 {
+ fsl,over-current-active-low;
+ status = "okay";
+};
+
+&usb_dwc3_0 {
+ /* dual role is implemented, but not a full featured OTG */
+ hnp-disable;
+ srp-disable;
+ adp-disable;
+ dr_mode = "otg";
+ usb-role-switch;
+ role-switch-default-mode = "peripheral";
+ status = "okay";
+
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ type = "micro";
+ label = "X29";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbcon0>;
+ id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+ };
+};
+
&iomuxc {
pinctrl_backlight: backlightgrp {
fsl,pins = <MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x14>;
@@ -666,6 +697,15 @@ pinctrl_uart4: uart4grp {
<MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x140>;
};
+ pinctrl_usbcon0: usb0congrp {
+ fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x1c0>;
+ };
+
+ pinctrl_usb0: usb0grp {
+ fsl,pins = <MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC 0x1c0>,
+ <MX8MP_IOMUXC_GPIO1_IO12__USB1_OTG_PWR 0x1c0>;
+ };
+
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x192>,
<MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d2>,
--
2.25.1
