[PATCH 1/2] usb: dwc3: pci: add support for AMD's newer generation platform.
From: Nehal Bakulchandra Shah <hidden>
Date: 2021-08-23 18:45:29
Also in:
lkml
Subsystem:
designware usb3 drd ip driver, the rest, usb subsystem · Maintainers:
Thinh Nguyen, Linus Torvalds, Greg Kroah-Hartman
AMD's latest platforms has DWC3 controller. Add the PCI ID and properties for the same. Signed-off-by: Nehal Bakulchandra Shah <redacted> --- drivers/usb/dwc3/dwc3-pci.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 2b37bdd39a74..7ff8fc8f79a9 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c@@ -44,6 +44,7 @@ #define PCI_DEVICE_ID_INTEL_ADLM 0x54ee #define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1 #define PCI_DEVICE_ID_INTEL_TGL 0x9a15 +#define PCI_DEVICE_ID_AMD_MR 0x163a #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" #define PCI_INTEL_BXT_FUNC_PMU_PWR 4
@@ -148,6 +149,14 @@ static const struct property_entry dwc3_pci_amd_properties[] = { {} }; +static const struct property_entry dwc3_pci_mr_properties[] = { + PROPERTY_ENTRY_STRING("dr_mode", "otg"), + PROPERTY_ENTRY_BOOL("usb-role-switch"), + PROPERTY_ENTRY_STRING("role-switch-default-mode", "host"), + PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), + {} +}; + static const struct software_node dwc3_pci_intel_swnode = { .properties = dwc3_pci_intel_properties, };
@@ -160,6 +169,10 @@ static const struct software_node dwc3_pci_amd_swnode = { .properties = dwc3_pci_amd_properties, }; +static const struct software_node dwc3_pci_amd_mr_swnode = { + .properties = dwc3_pci_mr_properties, +}; + static int dwc3_pci_quirks(struct dwc3_pci *dwc) { struct pci_dev *pdev = dwc->pci;
@@ -401,6 +414,10 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), (kernel_ulong_t) &dwc3_pci_amd_swnode, }, + + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MR), + (kernel_ulong_t)&dwc3_pci_amd_mr_swnode, }, + { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
--
2.25.1