This series of patches adds, - Tegra root port features like Gen2, AER, etc - Power and perf optimizations - Fixes like "power up sequence", "dev_err prints", etc This series of patches are tested on Tegra186 based Jetson-TX2, Tegra210 based Jetson-TX1, T124 based Jetson-TK1 platforms, Tegra20 and Tegra30 platforms. Manikanta Maddireddy (29): soc/tegra: pmc: Export tegra_powergate_power_on() PCI: tegra: Handle failure cases in tegra_pcie_power_on() PCI: tegra: Rearrange Tegra PCIe driver functions PCI: tegra: Mask AFI_INTR in runtime suspend PCI: tegra: Fix PCIe host power up sequence PCI: tegra: Add PCIe Gen2 link speed support PCI: tegra: Advertise PCIe Advanced Error Reporting (AER) capability PCI: tegra: Program UPHY electrical settings for Tegra210 PCI: tegra: Enable opportunistic UpdateFC and ACK PCI: tegra: Disable AFI dynamic clock gating PCI: tegra: Process pending DLL transactions before entering L1 or L2 PCI: tegra: Enable PCIe xclk clock clamping PCI: tegra: Increase the deskew retry time PCI: tegra: Add SW fixup for RAW violations PCI: tegra: Update flow control timer frequency in Tegra210 PCI: tegra: Set target speed as Gen1 before starting LTSSM PCI: tegra: Fix PLLE power down issue due to CLKREQ# signal PCI: tegra: Program AFI_CACHE* registers only for Tegra20 PCI: tegra: Change PRSNT_SENSE IRQ log to debug PCI: tegra: Use legacy IRQ for port service drivers PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of soc struct PCI: tegra: Access endpoint config only if PCIe link is up dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop arm64: tegra: Add PEX DPD states as pinctrl properties PCI: tegra: Put PEX CLK & BIAS pads in DPD mode PCI: Add DT binding for "reset-gpios" property PCI: OF: Add of_pci_get_reset_gpio() to parse reset-gpios from DT PCI: tegra: Add support for GPIO based PERST# PCI: tegra: Change link retry log level to debug .../bindings/pci/nvidia,tegra20-pcie.txt | 8 + Documentation/devicetree/bindings/pci/pci.txt | 3 + arch/arm64/boot/dts/nvidia/tegra210.dtsi | 19 + drivers/pci/controller/pci-tegra.c | 616 +++++++++++++++--- drivers/pci/of.c | 18 + drivers/soc/tegra/pmc.c | 1 + include/linux/of_pci.h | 10 + 7 files changed, 595 insertions(+), 80 deletions(-) -- 2.17.1
