diff options
| author | Matt Ranostay <mranostay@ti.com> | 2023-11-28 08:44:02 +0300 |
|---|---|---|
| committer | Krzysztof Wilczyński <kwilczynski@kernel.org> | 2024-01-06 07:50:49 +0300 |
| commit | e49ad667815d37dc621ffdfb7302df6a7265bab8 (patch) | |
| tree | 92ee19c70320a80080958035584b100327cd7789 | |
| parent | 4490f559f75514d5a6f0e729e85235a7be6216bf (diff) | |
| download | linux-e49ad667815d37dc621ffdfb7302df6a7265bab8.tar.xz | |
PCI: j721e: Add TI J784S4 PCIe configuration
Add PCIe configuration for J784S4 SoC platform which has 4x lane
support.
Link: https://lore.kernel.org/linux-pci/20231128054402.2155183-6-s-vadapalli@ti.com
Tested-by: Achal Verma <a-verma1@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Achal Verma <a-verma1@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
| -rw-r--r-- | drivers/pci/controller/cadence/pci-j721e.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index 645597856a1d..85718246016b 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -330,6 +330,20 @@ static const struct j721e_pcie_data am64_pcie_ep_data = { .max_lanes = 1, }; +static const struct j721e_pcie_data j784s4_pcie_rc_data = { + .mode = PCI_MODE_RC, + .quirk_retrain_flag = true, + .byte_access_allowed = false, + .linkdown_irq_regfield = LINK_DOWN, + .max_lanes = 4, +}; + +static const struct j721e_pcie_data j784s4_pcie_ep_data = { + .mode = PCI_MODE_EP, + .linkdown_irq_regfield = LINK_DOWN, + .max_lanes = 4, +}; + static const struct of_device_id of_j721e_pcie_match[] = { { .compatible = "ti,j721e-pcie-host", @@ -355,6 +369,14 @@ static const struct of_device_id of_j721e_pcie_match[] = { .compatible = "ti,am64-pcie-ep", .data = &am64_pcie_ep_data, }, + { + .compatible = "ti,j784s4-pcie-host", + .data = &j784s4_pcie_rc_data, + }, + { + .compatible = "ti,j784s4-pcie-ep", + .data = &j784s4_pcie_ep_data, + }, {}, }; |