Hi Peter,
On Wed, Dec 16, 2015 at 2:11 AM, Peter Chen <peter.c...@freescale.com> wrote:
> Thanks, Fabio, but I am curious how things like that? The USBOH3 clock
> is not opened, the usb driver will hang when it tries to access
> registers. If this clock is always on, then, why the system will
> hang later?
I found the issue with your patch. You missed to add the pinctrl node.
With the change below USB is functional in Udoo:
--- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
@@ -22,6 +22,8 @@
usb_hub1 {
compatible = "generic-onboard-hub";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbh>;
clocks = <&clks IMX6QDL_CLK_CKO>;
reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
reset-duration-us = <2>;
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