Hi Richard, I didn't get around to see what's wrong with the PCIe on my EVK, so I wasn't able to do any reworks to the series. As I will be on vacation from tomorrow until Apr. 25th, I'll just leave some more comments on this series for your consideration. Regards, Lucas Am Montag, dem 07.03.2022 um 17:07 +0800 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. > > 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@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. > > [1]https://patchwork.kernel.org/project/linux-arm-kernel/cover/20220228201731.3330192-1-l.stach@xxxxxxxxxxxxxx/ > [2]https://patchwork.ozlabs.org/project/linux-pci/patch/1646289275-17813-1-git-send-email-hongxing.zhu@xxxxxxx/ > [3]https://patchwork.ozlabs.org/project/linux-pci/patch/1645672013-8949-1-git-send-email-hongxing.zhu@xxxxxxx/ > [4]https://patchwork.ozlabs.org/project/linux-pci/patch/1646293805-18248-1-git-send-email-hongxing.zhu@xxxxxxx/ > [5]https://patchwork.ozlabs.org/project/linux-pci/cover/1645760667-10510-1-git-send-email-hongxing.zhu@xxxxxxx/ > > 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