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arm64: dts: imx8mn: tqma8mqnl-mba8mx: Add USB DR overlay

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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@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alexander Stein 2024-02-20 17:03:37 +01:00 • committed by Shawn Guo
parent ccf031093c
commit 3f6fc30abe
4 changed files with 69 additions and 4 deletions
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2
arch/arm64/boot/dts/freescale/Makefile
View file

@ -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

64
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso Normal file
View file

@ -0,0 +1,64 @@
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
/*
* Copyright (c) 2022-2024 TQ-Systems GmbH <linux@ew.tq-group.com>,
* 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>;
};
};

5
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
View file

@ -41,7 +41,7 @@
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;
@ -198,8 +198,7 @@
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 {

2
arch/arm64/boot/dts/freescale/mba8mx.dtsi
View file

@ -219,7 +219,7 @@
line-name = "BOOT_CFG_OE#";
};
rst-usb-hub-hog {
rst_usb_hub_hog: rst-usb-hub-hog {
gpio-hog;
gpios = <13 0>;
output-high;