[v3,2/2] usb: dwc3: pci: Intel Merrifield can be host

[v3,2/2] usb: dwc3: pci: Intel Merrifield can be host

[Andy Shevchenko]

On Intel Edison board the OTG function is enabled, thus,
USB can switch to the host mode.

Allow that by changing dr_mode property to "otg" for Intel Merrifield.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/usb/dwc3/dwc3-pci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index cc4db9a06505..88b800ab6419 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -107,6 +107,12 @@ static const struct property_entry dwc3_pci_intel_properties[] = {
 	{}
 };
 
+static const struct property_entry dwc3_pci_mrfld_properties[] = {
+	PROPERTY_ENTRY_STRING("dr_mode", "otg"),
+	PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
+	{}
+};
+
 static const struct property_entry dwc3_pci_amd_properties[] = {
 	PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
 	PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
@@ -293,7 +299,7 @@ static void dwc3_pci_remove(struct pci_dev *pci)
 static const struct pci_device_id dwc3_pci_id_table[] = {
 	DWC3_PCI_DEV(INTEL,	INTEL_BSW,	dwc3_pci_intel_properties),
 	DWC3_PCI_DEV(INTEL,	INTEL_BYT,	dwc3_pci_intel_properties),
-	DWC3_PCI_DEV(INTEL,	INTEL_MRFLD,	dwc3_pci_intel_properties),
+	DWC3_PCI_DEV(INTEL,	INTEL_MRFLD,	dwc3_pci_mrfld_properties),
 	DWC3_PCI_DEV(INTEL,	INTEL_SPTLP,	dwc3_pci_intel_properties),
 	DWC3_PCI_DEV(INTEL,	INTEL_SPTH,	dwc3_pci_intel_properties),
 	DWC3_PCI_DEV(INTEL,	INTEL_BXT,	dwc3_pci_intel_properties),