imx8mn has only one USB interface. The platform supports using as USB host
(default), or switch to USB DR using this overlay.
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/Makefile | 2 +
.../imx8mn-tqma8mqnl-mba8mx-usbotg.dtso | 64 +++++++++++++++++++
.../dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts | 5 +-
arch/arm64/boot/dts/freescale/mba8mx.dtsi | 2 +-
4 files changed, 69 insertions(+), 4 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index fa0ed4f0c9b71..7c2410bad5bac 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -134,7 +134,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtbo
+imx8mn-tqma8mqnl-mba8mx-usbotg-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-usbotg.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-usbotg.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso
new file mode 100644
index 0000000000000..96db07fc9bece
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2024 TQ-Systems GmbH <linux@xxxxxxxxxxxxxxx>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+#include "imx8mn-pinfunc.h"
+
+&{/} {
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ type = "micro";
+ label = "X19";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb1_connector>;
+ id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+
+ port {
+ usb_dr_connector: endpoint {
+ remote-endpoint = <&usb1_drd_sw>;
+ };
+ };
+ };
+};
+
+&rst_usb_hub_hog {
+ output-low;
+};
+
+&sel_usb_hub_hog {
+ output-low;
+};
+
+&usbotg1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotg>;
+ dr_mode = "otg";
+ srp-disable;
+ hnp-disable;
+ adp-disable;
+ power-active-high;
+ /delete-property/ disable-over-current;
+ over-current-active-low;
+ usb-role-switch;
+ status = "okay";
+
+ port {
+ usb1_drd_sw: endpoint {
+ remote-endpoint = <&usb_dr_connector>;
+ };
+ };
+};
+
+&iomuxc {
+ pinctrl_usb1_connector: usb1-connectorgrp {
+ fsl,pins = <MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x1c0>;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
index 5b682dd907578..ca388705ec396 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
@@ -41,7 +41,7 @@ &gpio2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0hub_sel>;
- sel-usb-hub-hog {
+ sel_usb_hub_hog: sel-usb-hub-hog {
gpio-hog;
gpios = <1 GPIO_ACTIVE_HIGH>;
output-high;
@@ -202,8 +202,7 @@ pinctrl_usb0hub_sel: usb0hub-selgrp {
pinctrl_usbotg: usbotggrp {
fsl,pins = <MX8MN_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x84>,
- <MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x84>,
- <MX8MN_IOMUXC_GPIO1_IO10_USB1_OTG_ID 0x1C4>;
+ <MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x84>;
};
pinctrl_usdhc2: usdhc2grp {
diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
index c82af672d1834..427467df42bfa 100644
--- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi
+++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
@@ -219,7 +219,7 @@ boot-cfg-oe-hog {
line-name = "BOOT_CFG_OE#";
};
- rst-usb-hub-hog {
+ rst_usb_hub_hog: rst-usb-hub-hog {
gpio-hog;
gpios = <13 0>;
output-high;
--
2.34.1
