On Tue, 2021-10-12 at 16:41 +0800, Richard Zhu wrote: > refer to the discussion [1] when try to enable i.MX8MM PCIe support, > one standalone PCIe PHY driver should be seperated from i.MX PCIe > driver when enable i.MX8MM PCIe support. > > This patch-set adds the standalone PCIe PHY driver suport[1-5], and i.MX8MM > PCIe support[6-9] to have whole view to review this patch-set. > > The PCIe works on i.MX8MM EVK board based the the blkctrl power driver > [2] and this PHY driver patch-set. Whole series: Tested-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx> BTW: I tested it on Verdin iMX8M Mini V1.1B without an external PCIe oscillator aka setting fsl,refclk-pad-mode to IMX8_PCIE_REFCLK_PAD_OUTPUT which worked like a charm. Thanks! > [1] https://patchwork.ozlabs.org/project/linux-pci/patch/20210510141509.929120-3-l.stach@xxxxxxxxxxxxxx/ > [2] https://patchwork.kernel.org/project/linux-arm-kernel/cover/20210910202640.980366-1-l.stach@xxxxxxxxxxxxxx/ > > Main changes v2 --> v3: > - Regarding Lucas' comments. > - to have a whole view to review the patches, send out the i.MX8MM PCIe support too. > - move the PHY related bits manipulations of the GPR/SRC to standalone PHY driver. > - split the dts changes to SOC and board DT, and use the enum instead of raw value. > - update the license of the dt-binding header file. > > Changes v1 --> v2: > - Update the license of the dt-binding header file to make the license > compatible with dts files. > - Fix the dt_binding_check errors. > > Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 6 +++ > Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml | 79 +++++++++++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 53 ++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx8mm.dtsi | 46 ++++++++++++++++- > drivers/pci/controller/dwc/pci-imx6.c | 63 ++++++++++++++++++++++- > drivers/phy/freescale/Kconfig | 9 ++++ > drivers/phy/freescale/Makefile | 1 + > drivers/phy/freescale/phy-fsl-imx8m-pcie.c | 218 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > include/dt-bindings/phy/phy-imx8-pcie.h | 14 ++++++ > 9 files changed, 486 insertions(+), 3 deletions(-) > > [PATCH v3 1/9] dt-bindings: phy: phy-imx8-pcie: Add binding for the > [PATCH v3 2/9] dt-bindings: phy: add imx8 pcie phy driver support > [PATCH v3 3/9] arm64: dts: imx8mm: add the pcie phy support > [PATCH v3 4/9] arm64: dts: imx8mm-evk: add the pcie phy support > [PATCH v3 5/9] phy: freescale: pcie: initialize the imx8 pcie > [PATCH v3 6/9] dt-bindings: imx6q-pcie: Add PHY phandles and name > [PATCH v3 7/9] arm64: dts: imx8mm: add the pcie support > [PATCH v3 8/9] arm64: dts: imx8mm-evk: add the pcie support on imx8mm > [PATCH v3 9/9] PCI: imx: add the imx8mm pcie support
