On Wed, 2016-05-11 at 19:09 -0700, Hongzhou Yang wrote: > On Thu, 2016-05-12 at 09:41 +0800, chunfeng yun wrote: > > Hi, > > > > On Wed, 2016-05-11 at 11:32 -0700, Hongzhou Yang wrote: > > > On Wed, 2016-05-11 at 13:56 +0200, Linus Walleij wrote: > > > > On Tue, May 10, 2016 at 10:23 AM, Chunfeng Yun > > > > <chunfeng.yun@xxxxxxxxxxxx> wrote: > > > > > > > > > the default mode of GPIO16 pin is gpio, when set EINT16 to > > > > > IRQ_TYPE_LEVEL_HIGH, no interrupt is triggered, it can be > > > > > fixed when set its default mode as usb iddig. > > > > > > > > > > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> > > > > > > > > > > Chunfeng, GPIO16 can be used as EINT16 mode, but the pinmux should be 0. > > > If you want to set its default mode to iddig, you should set it in dts. > > > > > I set it in DTS, but it didn't work, because when usb driver requested > > IRQ, pinmux was switched back to default mode set by > > MTK_EINT_FUNCTION(). > > > > After confirmed, there are something wrong with data sheet and pinmux > table, and GPIO16 can only receive interrupt by mode 1. So > > Acked-by: Hongzhou Yang <hongzhou.yang@xxxxxxxxxxxx> > Linus, We find there are some other pins still have the same problem, so please hold on it. Sorry for so much noise. Thanks, Hongzhou -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
