On Tue, Dec 27, 2016 at 6:25 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> [161220 06:37]: >> I'm trying to get the first USB port working on a am3517 based >> hardware. The system is working with 2.6.37 for now. USB tree has >> following structure: >> >> HSUSB1 -> TUSB1210 -> SMSC LAN9514 >> >> TUSB1210's reset is connected to GPIO 57 >> (GPMC_NCS6/SYS_NDMAREQ3/0/GPT11_PWM_EVT/GPIO_57) > > Could it be that the GPIO module reset during init turns off your > hub? > > You may want to set up a GPIO hog in the dts for it if you don't > have anything else handling that GPIO. I've solved the problem. I've enabled EHCI PHY interface pinmux in u-boot and it worked at once. reset GPIO seems to be OK from the beginning. Have to find out why my pinmux settings in DTS didn't work. Yegor -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html