> -----Original Message----- > From: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> > Sent: 2022年8月26日 14:22 > To: Hongxing Zhu <hongxing.zhu@xxxxxxx> > Cc: p.zabel@xxxxxxxxxxxxxx; l.stach@xxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx; > lorenzo.pieralisi@xxxxxxx; robh@xxxxxxxxxx; shawnguo@xxxxxxxxxx; > vkoul@xxxxxxxxxx; marex@xxxxxxx; 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 > > Am Donnerstag, 18. August 2022, 09:02:27 CEST schrieb Richard Zhu: > > 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(-) > > > > [PATCH v3 1/6] reset: imx7: Add the iMX8MP PCIe PHY PERST support > > [PATCH v3 2/6] dt-binding: phy: Add iMX8MP PCIe PHY binding [PATCH v3 > > 3/6] phy: freescale: imx8m-pcie: Add iMX8MP PCIe PHY [PATCH v3 4/6] > > arm64: dts: imx8mp: add the iMX8MP PCIe support [PATCH v3 5/6] arm64: > > dts: imx8mp-evk: Add PCIe support [PATCH v3 6/6] PCI: imx6: Add the > > iMX8MP PCIe support > > On TQMa8MPxl + MBa8MPxL: > Tested-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Thanks. Best Regards Richard Zhu > >
