[PATCH v2 3/3] i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
Jian-Ming Liao <[email protected]> Tue, 28 Jul 2026 17:32:38 +0800
| Newsgroups | org.infradead.lists.linux-i3c |
|---|---|
| Message-ID | <[email protected]> |
Add support for the AMD_PT I3C controller by introducing the following changes: - Add AMD_PT I3C controller platform device ID in core.c. - Register AMD_PT I3C controller PCI ID in mipi-i3c-hci-pci.c. Co-developed-by: Patrick Yen <[email protected]> Signed-off-by: Patrick Yen <[email protected]> Signed-off-by: Jian-Ming Liao <[email protected]> --- v2: - No changes (rebased on top of v2 patch series). drivers/i3c/master/mipi-i3c-hci/core.c | 3 +++ drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 9 +++++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c index dccc974ef15a..15f9faed07c8 100644 --- a/drivers/i3c/master/mipi-i3c-hci/core.c +++ b/drivers/i3c/master/mipi-i3c-hci/core.c @@ -1198,6 +1198,9 @@ static const struct platform_device_id i3c_hci_driver_ids[] = { HCI_QUIRK_DMA_ABORT_REQUIRES_PIO_RESET | HCI_QUIRK_DMA_REQUIRES_HC_ABORT, }, + { .name = "amd-pt-i3c-hci", + .driver_data = HCI_QUIRK_RPM_ALLOWED, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(platform, i3c_hci_driver_ids); diff --git a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c index 5a9e2a43eff8..d7549edd5839 100644 --- a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c +++ b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c @@ -193,6 +193,13 @@ static void intel_i3c_exit(struct mipi_i3c_hci_pci *hci) intel_ltr_hide(&hci->pci->dev); } +static const struct mipi_i3c_hci_pci_info amd_pt_info = { + .name = "amd-pt-i3c-hci", + .id = {0}, + .instance_offset = {0}, + .instance_count = 1, +}; + static const struct mipi_i3c_hci_pci_info intel_mi_1_info = { .init = intel_i3c_init, .exit = intel_i3c_exit, @@ -475,6 +482,8 @@ static const struct pci_device_id mipi_i3c_hci_pci_devices[] = { /* Nova Lake-H */ { PCI_VDEVICE(INTEL, 0xd37c), .driver_data = (kernel_ulong_t)&intel_mi_1_info }, { PCI_VDEVICE(INTEL, 0xd36f), .driver_data = (kernel_ulong_t)&intel_mi_2_info }, + /* AMD_PT */ + { PCI_VDEVICE(AMD, 0x444c), .driver_data = (kernel_ulong_t)&amd_pt_info}, { } }; MODULE_DEVICE_TABLE(pci, mipi_i3c_hci_pci_devices); -- 2.43.0 -- linux-i3c mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-i3c