RE: (subset) [PATCH v4 1/2] ARM: dts: imx6qp-sabresd: Enable PCIe support

From: Hongxing Zhu
Date: Mon Mar 07 2022 - 20:20:01 EST


> -----Original Message-----
> From: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Sent: 2022年3月7日 19:10
> To: shawnguo@xxxxxxxxxx; Hongxing Zhu <hongxing.zhu@xxxxxxx>;
> bhelgaas@xxxxxxxxxx; l.stach@xxxxxxxxxxxxxx
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>; kernel@xxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> dl-linux-imx <linux-imx@xxxxxxx>; linux-pci@xxxxxxxxxxxxxxx
> Subject: Re: (subset) [PATCH v4 1/2] ARM: dts: imx6qp-sabresd: Enable PCIe
> support
>
> On Mon, 21 Feb 2022 14:33:56 +0800, Richard Zhu wrote:
> > In the i.MX6QP sabresd board(sch-28857) design, one external
> > oscillator is powered up by vgen3 and used as the PCIe reference clock
> > source by the endpoint device.
> >
> > If RC uses this oscillator as reference clock too, PLL6(ENET PLL)
> > would has to be in bypass mode, and ENET clocks would be messed up.
> >
> > [...]
>
> I skipped patch(1) since we don't apply dts changes, those should go via
> respective platform maintainers.
Understand, thanks for your help.

Best Regards
Richard Zhu
>
> [2/2] PCI: imx6: Enable i.MX6QP PCIe power management support
>
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kern
> el.org%2Flpieralisi%2Fpci%2Fc%2Ff81dd043ec&amp;data=04%7C01%7Chong
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>
> Thanks,
> Lorenzo