usb: dwc3: pci: Add platform data for Synopsys HAPS

Add platform data and set usb3_lpm_capable and has_lpm_erratum.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index a286db7ffe94..65165308a04f 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -108,6 +108,21 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
                 }
         }
 
+        if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
+            (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
+             pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
+             pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
+
+                struct dwc3_platform_data pdata;
+
+                memset(&pdata, 0, sizeof(pdata));
+                pdata.usb3_lpm_capable = true;
+                pdata.has_lpm_erratum = true;
+
+                return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
+                                                sizeof(pdata));
+        }
+
         return 0;
 }