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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2015-05-13 15:26:49 +0300
committerFelipe Balbi <balbi@ti.com>2015-05-13 12:06:42 -0500
commit3e10a2ce98d1a57992a44ed40325af60ab7b0f5d (patch)
tree82be6b662bf2ef2e3b9393248a64a08cb92f06da /Documentation/devicetree/bindings/usb
parent45bb7de213d86d491840e9c3ae139475ab3fa493 (diff)
usb: dwc3: add hsphy_interface property
Platforms that have configured DWC_USB3_HSPHY_INTERFACE with value 3, i.e. UTMI+ and ULPI, need to inform the driver of the actual HSPHY interface type with the property. "utmi" if the interface is UTMI+ or "ulpi" if the interface is ULPI. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r--Documentation/devicetree/bindings/usb/dwc3.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 5cc364309edb..0815eac5b185 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -38,6 +38,8 @@ Optional properties:
- snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
utmi_l1_suspend_n, false when asserts utmi_sleep_n
- snps,hird-threshold: HIRD threshold
+ - snps,hsphy_interface: High-Speed PHY interface selection between "utmi" for
+ UTMI+ and "ulpi" for ULPI when the DWC_USB3_HSPHY_INTERFACE has value 3.
This is usually a subnode to DWC3 glue to which it is connected.