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Message-ID: <1473839072-5673-37-git-send-email-kishon@ti.com>
Date:   Wed, 14 Sep 2016 13:14:17 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     <gregkh@...uxfoundation.org>
CC:     <kishon@...com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 36/51] extcon: Introduce EXTCON_PROP_USB_SS property for SuperSpeed mode

From: Guenter Roeck <groeck@...omium.org>

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@...k-chips.com>
Signed-off-by: Guenter Roeck <groeck@...omium.org>
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 include/linux/extcon.h |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 461abee..b34d1ae 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -109,12 +109,18 @@
  * @type:	integer (intval)
  * @value:	0 (normal) or 1 (flip)
  * @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_TYPEC_POLARITY	1
+#define EXTCON_PROP_USB_SS		2
 
 #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)
 
 /* Properties of EXTCON_TYPE_CHG. */
-- 
1.7.9.5

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