[RFC PATCH 4/4] arm64: dts: tqma8mpql: add USB support
Alexander Stein
alexander.stein at ew.tq-group.com
Wed Jun 22 06:04:40 PDT 2022
With last feature bits added, USB is supported on TQMa8MPQL for both host
and DR interface.
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
.../freescale/imx8mp-tqma8mpql-mba8mpxl.dts | 68 ++++++++++++++++++-
1 file changed, 67 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
index 772cbb664b2a..d8947a180318 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
@@ -272,7 +272,7 @@ &flexcan2 {
&gpio1 {
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_gpio1>;
+ pinctrl-0 = <&pinctrl_gpio1>, <&pinctrl_usbhub>;
gpio-line-names = "GPO1", "GPO0", "", "GPO3",
"", "", "GPO2", "GPI0",
@@ -282,6 +282,13 @@ &gpio1 {
"", "", "", "",
"", "", "", "",
"", "", "", "";
+
+ usb-hub-reset-hog {
+ gpio-hog;
+ gpios = <11 0>;
+ output-high;
+ line-name = "USB_HUB_RST#";
+ };
};
&gpio2 {
@@ -465,6 +472,52 @@ &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>;
+ };
+};
+
+&usb3_phy1 {
+ status = "okay";
+};
+
+&usb3_1 {
+ fsl,disable-port-power-control;
+ fsl,permanently-attached;
+ status = "okay";
+};
+
+&usb_dwc3_1 {
+ dr_mode = "host";
+ status = "okay";
+};
+
&iomuxc {
pinctrl_backlight: backlightgrp {
fsl,pins = <MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x14>;
@@ -672,6 +725,19 @@ 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_usbhub: usbhubgrp {
+ fsl,pins = <MX8MP_IOMUXC_GPIO1_IO11__GPIO1_IO11 0x10>;
+ };
+
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x192>,
<MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d2>,
--
2.25.1
More information about the linux-arm-kernel
mailing list