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authorMacpaul Lin <macpaul@gmail.com>2015-07-09 15:18:38 +0800
committerFelipe Balbi <balbi@ti.com>2015-07-29 09:59:20 -0500
commit8486a0bba6fc13ae60a8e402cf77c60a7d4e7a04 (patch)
treeef298841e759debf25d35d08d3fe91ec11dfa071 /include/uapi/linux/usb
parentd91de093d94eca6e280e50c24b172ed598bb5724 (diff)
usb: add usb_otg20_descriptor for OTG 2.0 and above
OTG 2.0 introduces bcdOTG in otg descriptor to identify the OTG and EH supplement release number with which the OTG device is compliant, this patch adds structure usb_otg20_descriptor for OTG 2.0 and above. Signed-off-by: Macpaul Lin <macpaul@gmail.com> Signed-off-by: Li Jun <jun.li@freescale.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'include/uapi/linux/usb')
-rw-r--r--include/uapi/linux/usb/ch9.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index aa33fd1b2d4f..aec689941c18 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -674,6 +674,17 @@ struct usb_otg_descriptor {
__u8 bmAttributes; /* support for HNP, SRP, etc */
} __attribute__ ((packed));
+/* USB_DT_OTG (from OTG 2.0 supplement) */
+struct usb_otg20_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+
+ __u8 bmAttributes; /* support for HNP, SRP and ADP, etc */
+ __le16 bcdOTG; /* OTG and EH supplement release number
+ * in binary-coded decimal(i.e. 2.0 is 0200H)
+ */
+} __attribute__ ((packed));
+
/* from usb_otg_descriptor.bmAttributes */
#define USB_OTG_SRP (1 << 0)
#define USB_OTG_HNP (1 << 1) /* swap host/device roles */