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Message-ID: <1473839072-5673-34-git-send-email-kishon@ti.com>
Date: Wed, 14 Sep 2016 13:14:14 +0530
From: Kishon Vijay Abraham I <kishon@...com>
To: <gregkh@...uxfoundation.org>
CC: <kishon@...com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 33/51] extcon: Add EXTCON_DISP_DP and the property for USB Type-C
From: Chris Zhong <zyw@...k-chips.com>
Add EXTCON_DISP_DP for the Display external connector. For Type-C
connector the DisplayPort can work as an Alternate Mode(VESA DisplayPort
Alt Mode on USB Type-C Standard). The Type-C support both normal
and flipped orientation, so add a property to extcon.
Signed-off-by: Chris Zhong <zyw@...k-chips.com>
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Tested-by: Chris Zhong <zyw@...k-chips.com>
Tested-by: Guenter Roeck <groeck@...omium.org>
Reviewed-by: Guenter Roeck <groeck@...omium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
drivers/extcon/extcon.c | 5 +++++
include/linux/extcon.h | 8 +++++++-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 8fde4be..a0a1eea 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -157,6 +157,11 @@ struct __extcon_info {
.id = EXTCON_DISP_VGA,
.name = "VGA",
},
+ [EXTCON_DISP_DP] = {
+ .type = EXTCON_TYPE_DISP | EXTCON_TYPE_USB,
+ .id = EXTCON_DISP_DP,
+ .name = "DP",
+ },
/* Miscellaneous external connector */
[EXTCON_DOCK] = {
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 162c46a..ad7a160 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -69,6 +69,7 @@
#define EXTCON_DISP_MHL 41 /* Mobile High-Definition Link */
#define EXTCON_DISP_DVI 42 /* Digital Visual Interface */
#define EXTCON_DISP_VGA 43 /* Video Graphics Array */
+#define EXTCON_DISP_DP 44 /* Display Port */
/* Miscellaneous external connector */
#define EXTCON_DOCK 60
@@ -102,11 +103,16 @@
* @type: integer (intval)
* @value: 0 (low) or 1 (high)
* @default: 0 (low)
+ * - EXTCON_PROP_USB_TYPEC_POLARITY
+ * @type: integer (intval)
+ * @value: 0 (normal) or 1 (flip)
+ * @default: 0 (normal)
*/
#define EXTCON_PROP_USB_VBUS 0
+#define EXTCON_PROP_USB_TYPEC_POLARITY 1
#define EXTCON_PROP_USB_MIN 0
-#define EXTCON_PROP_USB_MAX 0
+#define EXTCON_PROP_USB_MAX 1
#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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