Hi Petr On Wed, 2016-03-30 at 14:06 +0200, Petr Štetiar wrote: > Krzysztof Hałasa <khalasa@xxxxxxx> [2016-03-25 14:32:35]: > > Cześć, > > > > > I wonder if all boards (except maybe that Toradex set) use an > > active-low > > PCIe reset and are now broken. Perhaps Toradex uses active-high and > > thus > > works. > I'm really puzzled by this :-) With your patch applied I get > following on > Toradex Apalis modules: > > DTS: reset-gpio = <&gpio1 28 GPIO_ACTIVE_LOW>; > dmesg: imx6q-pcie 1ffc000.pcie: phy link never came up > gpio: gpio-28 ( |reset ) > out hi > pin voltage: 0V > > DTS: reset-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>; > dmesg: ath9k 0000:01:00.0: enabling device (0140 -> 0142) > gpio: gpio-28 ( |reset ) > out lo > pin voltage: 3V3 > > So Toradex Apalis is actually active-high? Yes, I actually explained this in detail in my cover letter: http://article.gmane.org/gmane.linux.drivers.devicetree/154829 > Thanks. > > -- ynezz Cheers Marcel ��.n��������+%������w��{.n�����{���"�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
