Hi Roberto,
Am Dienstag, den 01.03.2016, 19:47 +0100 schrieb Roberto Fichera:
> Hi There,
>
> Working on a custom iMX6q board I'm getting a PCIe phy link never came up, even if uboot seems detecting
> everything ok. My DTS is enabling PCIe with
>
> &pcie {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_pcie_reset>;
> reset-gpio = <&gpio7 12 0>;
> status = "okay";
> };
>
> The PCIe is connected to a PCIe-to-PCI TI XIO2001. The XIO2001 power is controlled by GPIO_9 and
> the corresponding fixed regulator is set as
>
> reg_pcie: regulator@4 {
> compatible = "regulator-fixed";
> reg = <4>;
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_pcie_reg>;
> regulator-name = "MPCIE_3V3";
> regulator-min-microvolt = <3300000>;
> regulator-max-microvolt = <3300000>;
> gpio = <&gpio1 9 0>;
> regulator-always-on;
> enable-active-high;
> };
>
> so I'd like to know if there is any other special setup to do in order to get it to work on a v4.4.x kernel.
> Or anyway how to debug it.
>
> Any suggestion?
Is this a regression from earlier kernel versions?
If so, can you please revert 5c5fb40de8f14 (PCI: imx6: Add support for
active-low reset GPIO) and see if this helps?
Regards,
Lucas
--
Pengutronix e.K. | Lucas Stach |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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