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ARM: dts: imx: Switch USB1 port control to GPIO on Data Modul i.MX8M Plus eDM SBC

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The USB_PWR signal operation is not reliable on this DWC3 controller
instance in case the signal is active high. Switch to GPIO control,
which always behaves correctly. Perform the change in u-boot extras
until this hits Linux upstream.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2023-07-15 20:24:16 +02:00 • committed by Stefano Babic
parent 2943b8c563
commit 6bd39dee63
1 changed files with 30 additions and 0 deletions
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30
arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi
View file

@ -4,6 +4,7 @@
*/
#include "imx8mp-u-boot.dtsi"
#include "imx8mp-pinfunc.h"
/ {
aliases {
@ -17,6 +18,17 @@
dmo,ram-coding-gpios = <&gpio3 20 0>, <&gpio4 3 0>, <&gpio4 1 0>;
};
reg_usb1_vbus: regulator-usb1-vbus {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1_vbus>;
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
regulator-name = "USB1_PWR";
};
wdt-reboot {
compatible = "wdt-reboot";
wdt = <&wdog1>;
@ -113,6 +125,10 @@
bootph-pre-ram;
};
&usb3_phy0 {
vbus-supply = <&reg_usb1_vbus>;
};
&usdhc2 {
bootph-pre-ram;
sd-uhs-sdr104;
@ -128,3 +144,17 @@
&wdog1 {
bootph-pre-ram;
};
&iomuxc {
usb1-grp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC 0x80
>;
};
pinctrl_usb1_vbus: usb1-vbus-grp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x6
>;
};
};