From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Jun Subject: [PATCH v6 01/23] usb: add usb_otg20_descriptor for OTG 2.0 and above Date: Mon, 29 Jun 2015 15:47:40 +0800 Message-ID: <1435564082-14583-2-git-send-email-jun.li@freescale.com> References: <1435564082-14583-1-git-send-email-jun.li@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1435564082-14583-1-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org, robh+d-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, macpaul-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, rogerq-l0cyMroinI0@public.gmane.org, Li Jun List-Id: devicetree@vger.kernel.org From: Macpaul Lin 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 Signed-off-by: Li Jun Reviewed-by: Roger Quadros --- include/uapi/linux/usb/ch9.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index aa33fd1..aec6899 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 */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html