Ping. Almost one month pass away after this re-send of v4 series. Any comments? Thanks. Best Regards Richard Zhu > -----Original Message----- > From: Richard Zhu <hongxing.zhu@xxxxxxx> > Sent: 2022年10月24日 16:06 > To: l.stach@xxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; > lorenzo.pieralisi@xxxxxxx; shawnguo@xxxxxxxxxx; kishon@xxxxxx; > kw@xxxxxxxxx; Frank Li <frank.li@xxxxxxx> > Cc: Hongxing Zhu <hongxing.zhu@xxxxxxx>; linux-pci@xxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-linux-imx > <linux-imx@xxxxxxx> > Subject: [PATCH v4 0/14] Add i.MX PCIe EP mode support > > i.MX PCIe controller is one dual mode PCIe controller, and can work either as > RC or EP. > > This series add the i.MX PCIe EP mode support. And had been verified on > i.MX8MQ, i.MX8MM EVK and i.MX8MP EVK boards. > > In the verification, one EVK board used as RC, the other one used as EP. > Use the cross TX/RX differential cable connect the two PCIe ports of these two > EVK boards. > > +-----------+ +------------+ > | PCIe TX |<-------------->|PCIe RX | > | | | | > |EVK Board | |EVK Board | > | | | | > | PCIe RX |<-------------->|PCIe TX | > +-----------+ +------------+ > > NOTE: > Re-base to 6.1-rc1, and re-send the v4 series. > BTW, the following PHY changes [1] is required when apply this series. > > [1] > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatchw > ork.kernel.org%2Fproject%2Flinux-pci%2Fcover%2F1665625622-20551-1-git-s > end-email-hongxing.zhu%40nxp.com%2F&data=05%7C01%7Chongxing.z > hu%40nxp.com%7C80b50b3789f9433f62e008dab5998a09%7C686ea1d3bc2b > 4c6fa92cd99c5c301635%7C0%7C0%7C638021968298265067%7CUnknown% > 7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi > LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=j70ORNKBvTCjWtJzS375 > TvuQfCGrVRQNbxS%2BhrGI0ZA%3D&reserved=0 > > Main changes from v3 -> v4: > - Add the Rob's ACK in the dt-binding patch. > - Use "i.MX" to keep spell consistent. > - Squash generic endpoint infrastructure changes of > "[12/14] PCI: imx6: Add iMX8MM PCIe EP mode" into Kconfig changes. > > Main changes from v2 -> v3: > - Add the i.MX8MP PCIe EP support, and verified on i.MX8MP EVK board. > - Rebase to latest pci/next branch(tag: v6.0-rc1 plus some PCIe changes). > > Main changes from v1 -> v2: > - Add Rob's ACK into first two commits. > - Rebase to the tag: pci-v5.20-changes of the pci/next branch. > > Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 3 ++ > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 14 ++++++ > arch/arm64/boot/dts/freescale/imx8mm.dtsi | 20 > +++++++++ > arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 13 ++++++ > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 19 > ++++++++ > arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 12 ++++++ > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 27 > ++++++++++++ > drivers/misc/pci_endpoint_test.c | 2 + > drivers/pci/controller/dwc/Kconfig | 23 > +++++++++- > drivers/pci/controller/dwc/pci-imx6.c | 200 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++++++++-------- > 10 files changed, 314 insertions(+), 19 deletions(-) > > [RESEND v4 01/14] dt-bindings: imx6q-pcie: Add i.MX8MM PCIe EP mode > [RESEND v4 02/14] dt-bindings: imx6q-pcie: Add i.MX8MQ PCIe EP mode > [RESEND v4 03/14] dt-bindings: imx6q-pcie: Add i.MX8MP PCIe EP mode > [RESEND v4 04/14] arm64: dts: Add i.MX8MM PCIe EP support [RESEND v4 > 05/14] arm64: dts: Add i.MX8MM PCIe EP support on EVK [RESEND v4 06/14] > arm64: dts: Add i.MX8MQ PCIe EP support [RESEND v4 07/14] arm64: dts: > Add i.MX8MQ PCIe EP support on EVK [RESEND v4 08/14] arm64: dts: Add > i.MX8MP PCIe EP support [RESEND v4 09/14] arm64: dts: Add i.MX8MP PCIe > EP support on EVK [RESEND v4 10/14] misc: pci_endpoint_test: Add i.MX8 > PCIe EP device [RESEND v4 11/14] PCI: imx6: Add i.MX PCIe EP mode support > [RESEND v4 12/14] PCI: imx6: Add i.MX8MQ PCIe EP support [RESEND v4 > 13/14] PCI: imx6: Add i.MX8MM PCIe EP support [RESEND v4 14/14] PCI: imx6: > Add i.MX8MP PCIe EP support