imx8mm USB Mass Storage fails through a HUB
Fabio Estevam
festevam at gmail.com
Fri Feb 10 17:16:03 CET 2023
Hi Tim,
On Fri, Feb 10, 2023 at 10:26 AM Marcel Ziswiler
<marcel.ziswiler at toradex.com> wrote:
> The second USB port has a on-carrier USB hub both on Dahlia as well as the Verdin Development board.
>
> Sorry, that I do not have any good suggestion other than maybe comparing with our configuration/design.
The verdin board passes the OTG2 power domain node in devicetree.
I recall having issues detecting USB devices in some older Linux
releases without explicitly passing
the OTG power-domain node.
Does it help if you do it like this?
--- a/arch/arm/dts/imx8mm-venice-gw71xx.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw71xx.dtsi
@@ -158,6 +158,10 @@
status = "okay";
};
+&usbphynop2 {
+ power-domains = <&pgc_otg2>;
+};
+
&iomuxc {
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