[PATCH 3/3] i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller

[Jian-Ming Liao]

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 <Patrick_Yen at asmedia.com.tw>
Signed-off-by: Patrick Yen <Patrick_Yen at asmedia.com.tw>
Signed-off-by: Jian-Ming Liao <Jm_Liao at asmedia.com.tw>
---
 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