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extcon: Introduce EXTCON_PROP_USB_SS property for SuperSpeed mode 

EXTCON_PROP_USB_SS (SuperSpeed)[1] is necessary to distinguish
between USB/USB2 and USB3 connections on USB Type-C cables.

[1] https://en.wikipedia.org/wiki/USB#Overview

Cc: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Guenter Roeck 2016-08-15 06:15:35 -07:00 committed by Kishon Vijay Abraham I
parent af9b9285f2
commit 8df0cfe6c6
1 changed files with 7 additions and 1 deletions
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8
include/linux/extcon.h
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@ -109,12 +109,18 @@
* @type: integer (intval) * @type: integer (intval)
* @value: 0 (normal) or 1 (flip) * @value: 0 (normal) or 1 (flip)
* @default: 0 (normal) * @default: 0 (normal)
* - EXTCON_PROP_USB_SS (SuperSpeed)
* @type: integer (intval)
* @value: 0 (USB/USB2) or 1 (USB3)
* @default: 0 (USB/USB2)
*
*/ */
#define EXTCON_PROP_USB_VBUS 0 #define EXTCON_PROP_USB_VBUS 0
#define EXTCON_PROP_USB_TYPEC_POLARITY 1 #define EXTCON_PROP_USB_TYPEC_POLARITY 1
#define EXTCON_PROP_USB_SS 2
#define EXTCON_PROP_USB_MIN 0 #define EXTCON_PROP_USB_MIN 0
#define EXTCON_PROP_USB_MAX 1 #define EXTCON_PROP_USB_MAX 2
#define EXTCON_PROP_USB_CNT (EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1) #define EXTCON_PROP_USB_CNT (EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1)
/* Properties of EXTCON_TYPE_CHG. */ /* Properties of EXTCON_TYPE_CHG. */