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@xxxxxxxxxxxxxxx>
---
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 9d3fff91e1bc..ec43fe81ad2a 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -82,6 +82,12 @@ 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),
@@ -258,7 +264,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
DWC3_PCI_DEV(SYNOPSYS, SYNOPSYS_HAPSUSB31, dwc3_pci_synopsys_properties),
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),
--
2.18.0
--
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