Re: (EXT) [PATCH v2 0/7] Add the iMX8MP PCIe support

[Alexander Stein <alexander.stein@ew.tq-group.com>]

Hello Richard,

Am Montag, 7. März 2022, 10:07:27 CET schrieb Richard Zhu:
> Based on the i.MX8MP GPC and blk-ctrl patch-set[1] issued by Lucas and the
> following commits.
>   - one codes refine patch-set[5].
>   - two Fixes[2],[3].
>   - one binding commit[4].
>   - some dts changes in Shawn's git if you want to test PCIe on i.MX8MM EVK.
> b4d36c10bf17 arm64: dts: imx8mm-evk: Add the pcie support on imx8mm evk
> board aaeba6a8e226 arm64: dts: imx8mm: Add the pcie support
>     cfc5078432ca arm64: dts: imx8mm: Add the pcie phy support
> 
> Sorry about that there may be some conflictions when do the codes merge.
> I'm waiting for the ack now, and will re-base them in a proper sequence
> later.

Thanks for providing the dependency list. Unfortunately they did not apply 
without error on my local tree, but this is caused by other patches I track.
I managed to fix the conflicts, I think.
Eventually I was able to get a PCIe M.2 ethernet interface working on my 
TQMa8MPxL based board. iperf showed >900MBit/s Tx and > 700 MBit/s Rx.
Thanks for your effort. Once the depenencies and reviews are settled, you'll 
get my tested-by.

Thanks again and regards
Alexander

> This series patches add the i.MX8MP PCIe support and tested on i.MX8MM EVK
> and i.MX8MP EVk boards. The PCIe NVME works fine on both boards.
> 
> - i.MX8MP PCIe PHY has two resets refer to the i.MX8MM PCIe PHY.
>   Add one more PHY reset for i.MX8MP PCIe PHY accordingly.
> - 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 v1-->v2:
> - It's my fault forget including Vinod, re-send v2 after include Vinod
>   and linux-phy@lists.infradead.org.
> - 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.
> 
> [1]https://patchwork.kernel.org/project/linux-arm-kernel/cover/2022022820173
> 1.3330192-1-l.stach@pengutronix.de/
> [2]https://patchwork.ozlabs.org/project/linux-pci/patch/1646289275-17813-1-> git-send-email-hongxing.zhu@nxp.com/
> [3]https://patchwork.ozlabs.org/project/linux-pci/patch/1645672013-8949-1-g
> it-send-email-hongxing.zhu@nxp.com/
> [4]https://patchwork.ozlabs.org/project/linux-pci/patch/1646293805-18248-1-> git-send-email-hongxing.zhu@nxp.com/
> [5]https://patchwork.ozlabs.org/project/linux-pci/cover/1645760667-10510-1-> git-send-email-hongxing.zhu@nxp.com/
> 
> NOTE:
> Based git <git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git>
> Based branch <pci/imx6>
> 
> Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml    |   1 +
> Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml |   4 +-
> arch/arm64/boot/dts/freescale/imx8mp-evk.dts                 |  55
> ++++++++++++++++++++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi           
>         |  46 ++++++++++++++++++- drivers/pci/controller/dwc/pci-imx6.c    
>                    |  19 +++++++-
> drivers/phy/freescale/phy-fsl-imx8m-pcie.c                   | 205
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------
> ------- drivers/reset/reset-imx7.c                                   |   1 +
> 7 files changed, 286 insertions(+), 45 deletions(-)
> 
> [PATCH v2 1/7] reset: imx7: Add the iMX8MP PCIe PHY PERST support
> [PATCH v2 2/7] dt-binding: phy: Add iMX8MP PCIe PHY binding
> [PATCH v2 3/7] phy: freescale: imx8m-pcie: Add iMX8MP PCIe PHY
> [PATCH v2 4/7] dt-bindings: imx6q-pcie: Add iMX8MP PCIe compatible
> [PATCH v2 5/7] arm64: dts: imx8mp: add the iMX8MP PCIe support
> [PATCH v2 6/7] arm64: dts: imx8mp-evk: Add PCIe support
> [PATCH v2 7/7] PCI: imx6: Add the iMX8MP PCIe support





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