Messages in this thread | | | Subject | Re: [PATCH 6/6] pinctrl: mt8173: set GPIO16 to usb iddig mode | From | Hongzhou Yang <> | Date | Wed, 11 May 2016 19:55:01 -0700 |
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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@mediatek.com> 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@mediatek.com> > > > > > > > > > > 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@mediatek.com> >
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
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