summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSiddharth Vadapalli <s-vadapalli@ti.com>2024-05-24 14:53:49 +0530
committerKrzysztof Wilczyński <kwilczynski@kernel.org>2024-11-03 19:11:30 +0000
commit08e835268c35e851b308f326357224248cfb445b (patch)
treec05afc3b72e83e0bb78550f0e9124a6318b8a2f9
parent9852d85ec9d492ebef56dc5f229416c925758edc (diff)
downloadlwn-08e835268c35e851b308f326357224248cfb445b.tar.gz
lwn-08e835268c35e851b308f326357224248cfb445b.zip
PCI: j721e: Add PCIe support for J722S SoC
TI's J722S SoC has one instance of PCIe namely PCIe0 which is a Gen3 single lane PCIe controller. Add support for the "ti,j722s-pcie-host" compatible specific to J722S SoC. Link: https://lore.kernel.org/r/20240524092349.158443-1-s-vadapalli@ti.com Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
-rw-r--r--drivers/pci/controller/cadence/pci-j721e.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 284f2e0e4d26..c9f3103d68e1 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -386,6 +386,13 @@ static const struct j721e_pcie_data j784s4_pcie_ep_data = {
.max_lanes = 4,
};
+static const struct j721e_pcie_data j722s_pcie_rc_data = {
+ .mode = PCI_MODE_RC,
+ .linkdown_irq_regfield = J7200_LINK_DOWN,
+ .byte_access_allowed = true,
+ .max_lanes = 1,
+};
+
static const struct of_device_id of_j721e_pcie_match[] = {
{
.compatible = "ti,j721e-pcie-host",
@@ -419,6 +426,10 @@ static const struct of_device_id of_j721e_pcie_match[] = {
.compatible = "ti,j784s4-pcie-ep",
.data = &j784s4_pcie_ep_data,
},
+ {
+ .compatible = "ti,j722s-pcie-host",
+ .data = &j722s_pcie_rc_data,
+ },
{},
};