On Tue, Apr 06, 2021 at 05:26:28PM +0800, Greentime Hu wrote: > This patchset includes SiFive FU740 PCIe host controller driver. We also > add pcie_aux clock and pcie_power_on_reset controller to prci driver for > PCIe driver to use it. > > This is tested with e1000e: Intel(R) PRO/1000 Network Card, AMD Radeon R5 > 230 graphics card and SP M.2 PCIe Gen 3 SSD in SiFive Unmatched based on > v5.11 Linux kernel. > > Changes in v5: > - Fix typo in comments > - Keep comments style consistent > - Refine some error handling codes > - Remove unneeded header file including > - Merge fu740_pcie_ltssm_enable implementation to fu740_pcie_start_link > > Changes in v4: > - Fix Wunused-but-set-variable warning in prci driver > > Changes in v3: > - Remove items that has been defined > - Refine format of sifive,fu740-pcie.yaml > - Replace perstn-gpios with the common one > - Change DBI mapping space to 2GB from 4GB > - Refine drivers/reset/Kconfig > > Changes in v2: > - Refine codes based on reviewers' feedback > - Remove define and use the common one > - Replace __raw_writel with writel_relaxed > - Split fu740_phyregreadwrite to write function > - Use readl_poll_timeout in stead of while loop checking > - Use dwc common codes > - Use gpio descriptors and the gpiod_* api. > - Replace devm_ioremap_resource with devm_platform_ioremap_resource_byname > - Replace devm_reset_control_get with devm_reset_control_get_exclusive > - Add more comments for delay and sleep > - Remove "phy ? x : y" expressions > - Refine code logic to remove possible infinite loop > - Replace magic number with meaningful define > - Remove fu740_pcie_pm_ops > - Use builtin_platform_driver > > Greentime Hu (5): > clk: sifive: Add pcie_aux clock in prci driver for PCIe driver > clk: sifive: Use reset-simple in prci driver for PCIe driver > MAINTAINERS: Add maintainers for SiFive FU740 PCIe driver > dt-bindings: PCI: Add SiFive FU740 PCIe host controller > riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC > > Paul Walmsley (1): > PCI: fu740: Add SiFive FU740 PCIe host controller driver I can pull the patches above into the PCI tree (but will drop patch 6 - dts changes), is it OK for you ? Please let me know how you would like to upstream it. Lorenzo > .../bindings/pci/sifive,fu740-pcie.yaml | 113 +++++++ > MAINTAINERS | 8 + > arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 33 ++ > drivers/clk/sifive/Kconfig | 2 + > drivers/clk/sifive/fu740-prci.c | 11 + > drivers/clk/sifive/fu740-prci.h | 2 +- > drivers/clk/sifive/sifive-prci.c | 54 +++ > drivers/clk/sifive/sifive-prci.h | 13 + > drivers/pci/controller/dwc/Kconfig | 9 + > drivers/pci/controller/dwc/Makefile | 1 + > drivers/pci/controller/dwc/pcie-fu740.c | 308 ++++++++++++++++++ > drivers/reset/Kconfig | 1 + > include/dt-bindings/clock/sifive-fu740-prci.h | 1 + > 13 files changed, 555 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml > create mode 100644 drivers/pci/controller/dwc/pcie-fu740.c > > -- > 2.30.2 >
