This is a note to let you know that I've just added the patch titled PCI: j721e: Add PCIe support for AM64 to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pci-j721e-add-pcie-support-for-am64.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4a1d4e715a998fef7ce19016f5a6febfc88a4a2f Author: Kishon Vijay Abraham I <kishon@xxxxxx> Date: Wed Aug 11 18:03:35 2021 +0530 PCI: j721e: Add PCIe support for AM64 [ Upstream commit c8a375a8e15ac31293d7fda08008d6da8f5df3db ] AM64 has the same PCIe IP as in J7200 with certain erratas not applicable (quirk_detect_quiet_flag). Add support for "ti,am64-pcie-host" compatible and "ti,am64-pcie-ep" compatible that is specific to AM64. Link: https://lore.kernel.org/r/20210811123336.31357-5-kishon@xxxxxx Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index 10b13b728284..ffb176d288cd 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -310,6 +310,17 @@ static const struct j721e_pcie_data j7200_pcie_ep_data = { .quirk_detect_quiet_flag = true, }; +static const struct j721e_pcie_data am64_pcie_rc_data = { + .mode = PCI_MODE_RC, + .linkdown_irq_regfield = J7200_LINK_DOWN, + .byte_access_allowed = true, +}; + +static const struct j721e_pcie_data am64_pcie_ep_data = { + .mode = PCI_MODE_EP, + .linkdown_irq_regfield = J7200_LINK_DOWN, +}; + static const struct of_device_id of_j721e_pcie_match[] = { { .compatible = "ti,j721e-pcie-host", @@ -327,6 +338,14 @@ static const struct of_device_id of_j721e_pcie_match[] = { .compatible = "ti,j7200-pcie-ep", .data = &j7200_pcie_ep_data, }, + { + .compatible = "ti,am64-pcie-host", + .data = &am64_pcie_rc_data, + }, + { + .compatible = "ti,am64-pcie-ep", + .data = &am64_pcie_ep_data, + }, {}, };