RE: [PATCH v3 0/6] Add the iMX8MP PCIe support

[Hongxing Zhu]

> -----Original Message-----
> From: Marek Vasut <marex@xxxxxxx>
> Sent: 2022年8月18日 17:20
> To: Hongxing Zhu <hongxing.zhu@xxxxxxx>; p.zabel@xxxxxxxxxxxxxx;
> l.stach@xxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx; lorenzo.pieralisi@xxxxxxx;
> robh@xxxxxxxxxx; shawnguo@xxxxxxxxxx; vkoul@xxxxxxxxxx;
> alexander.stein@xxxxxxxxxxxxxxx
> Cc: linux-phy@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-linux-imx
> <linux-imx@xxxxxxx>
> Subject: Re: [PATCH v3 0/6] Add the iMX8MP PCIe support
> 
> On 8/18/22 09:02, Richard Zhu wrote:
> > Based on the 6.0-rc1 of the pci/next branch.
> > This series adds the i.MX8MP PCIe support and had been tested on
> > i.MX8MP EVK board when one PCIe NVME device is used.
> >
> > - i.MX8MP PCIe has reversed initial PERST bit value refer to
> i.MX8MQ/i.MX8MM.
> >    Add the PHY PERST explicitly for i.MX8MP PCIe PHY.
> > - Add the i.MX8MP PCIe PHY support in the i.MX8M PCIe PHY driver.
> >    And share as much as possible codes with i.MX8MM PCIe PHY.
> > - Add the i.MX8MP PCIe support in binding document, DTS files, and PCIe
> >    driver.
> >
> > Main changes v2-->v3:
> > - Fix the schema checking error in the PHY dt-binding patch.
> > - Inspired by Lucas, the PLL configurations might not required when
> >    external OSC is used as PCIe referrence clock. It's true. Remove all
> >    the HSIO PLL bit manipulations, and PCIe works fine on i.MX8MP EVK
> board
> >    with one NVME device is used.
> > - Drop the #4 patch of v2, since it had been applied by Rob.
> >
> > Main changes v1-->v2:
> > - It's my fault forget including Vinod, re-send v2 after include Vinod
> >    and linux-phy@xxxxxxxxxxxxxxxxxxx.
> > - List the basements of this patch-set. The branch, codes changes and so on.
> > - Clean up some useless register and bit definitions in #3 patch.
> >
> > Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml |  16
> +++++++--
> > arch/arm64/boot/dts/freescale/imx8mp-evk.dts                 |  53
> +++++++++++++++++++++++++++++
> > arch/arm64/boot/dts/freescale/imx8mp.dtsi                    |  46
> ++++++++++++++++++++++++-
> > drivers/pci/controller/dwc/pci-imx6.c                        |  17
> +++++++++-
> > drivers/phy/freescale/phy-fsl-imx8m-pcie.c                   | 150
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
> ------------------
> > drivers/reset/reset-imx7.c                                   |   1 +
> > 6 files changed, 232 insertions(+), 51 deletions(-)
> 
> For the entire series:
> 
> Tested-by: Marek Vasut <marex@xxxxxxx>
> 
Hi Marek:
Thanks for your kindly help to test it.

Best Regards
Richard Zhu

> Thanks !