On 09.10.2015 02:54, Ladislav Michl wrote: > Hi there! > > on custom AM37x board running 2.6.37 this was enough to enable gpio 67: > echo 71 > /sys/class/gpio/export > echo out > /sys/class/gpio/gpio71/direction > echo 1 > /sys/class/gpio/gpio71/value > > However, with DT configured linux-4.2 compiled using omap2plus_defconfig > this no longer works. [...]
Is some other device driver using these pins? Pins 70 and 71 could be DSS or UART1. Maybe you need to set them to "disabled" in your DT. Best regards, Rolf -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
