arm64: dts: tqma8mpql: add USB DR support

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@ew.tq-group.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
index d8ca529..88579e8 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
@@ -139,6 +139,13 @@
                regulator-max-microvolt = <3300000>;
        };
 
+       reg_vcc_5v0: regulator-5v0 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_5V0";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
        reserved-memory {
                #address-cells = <2>;
                #size-cells = <2>;
@@ -445,6 +452,38 @@
        status = "okay";
 };
 
+&usb3_0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usb0>;
+       fsl,over-current-active-low;
+       status = "okay";
+};
+
+&usb3_phy0 {
+       vbus-supply = <&reg_vcc_5v0>;
+       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>;
+       };
+};
+
 &usdhc2 {
        pinctrl-names = "default", "state_100mhz", "state_200mhz";
        pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -666,6 +705,15 @@
                           <MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX        0x140>;
        };
 
+       pinctrl_usb0: usb0grp {
+               fsl,pins = <MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC        0x1c0>,
+                          <MX8MP_IOMUXC_GPIO1_IO12__USB1_OTG_PWR       0x1c0>;
+       };
+
+       pinctrl_usbcon0: usb0congrp {
+               fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10         0x1c0>;
+       };
+
        pinctrl_usdhc2: usdhc2grp {
                fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK            0x192>,
                           <MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD            0x1d2>,