60 lines
1.6 KiB
Diff
60 lines
1.6 KiB
Diff
From ec89a34069e9d33dd8f809c02a12ffb619d67e1f Mon Sep 17 00:00:00 2001
|
|
From: Li Jun <jun.li@nxp.com>
|
|
Date: Wed, 12 Apr 2017 05:31:17 +0800
|
|
Subject: [PATCH] MLK-14285-1 usb: phy: add usb mode for usb_phy
|
|
|
|
USB phy driver may need to know the current working mode of
|
|
the controller, and does some different settings according to
|
|
host mode or device mode.
|
|
|
|
Signed-off-by: Li Jun <jun.li@nxp.com>
|
|
(cherry picked from commit 2286cb30feedd6f4a5cb82a0f0af5aa3a04ab698)
|
|
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
|
|
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>
|
|
---
|
|
include/linux/usb/phy.h | 19 +++++++++++++++++++
|
|
1 file changed, 19 insertions(+)
|
|
|
|
--- a/include/linux/usb/phy.h
|
|
+++ b/include/linux/usb/phy.h
|
|
@@ -63,6 +63,13 @@ enum usb_otg_state {
|
|
OTG_STATE_A_VBUS_ERR,
|
|
};
|
|
|
|
+/* The usb role of phy to be working with */
|
|
+enum usb_current_mode {
|
|
+ CUR_USB_MODE_NONE,
|
|
+ CUR_USB_MODE_HOST,
|
|
+ CUR_USB_MODE_DEVICE,
|
|
+};
|
|
+
|
|
struct usb_phy;
|
|
struct usb_otg;
|
|
|
|
@@ -161,6 +168,9 @@ struct usb_phy {
|
|
int (*notify_resume)(struct usb_phy *x,
|
|
enum usb_device_speed speed);
|
|
|
|
+ int (*set_mode)(struct usb_phy *x,
|
|
+ enum usb_current_mode mode);
|
|
+
|
|
};
|
|
|
|
/* for board-specific init logic */
|
|
@@ -219,6 +229,15 @@ usb_phy_vbus_off(struct usb_phy *x)
|
|
return x->set_vbus(x, false);
|
|
}
|
|
|
|
+static inline int
|
|
+usb_phy_set_mode(struct usb_phy *x, enum usb_current_mode mode)
|
|
+{
|
|
+ if (!x || !x->set_mode)
|
|
+ return 0;
|
|
+
|
|
+ return x->set_mode(x, mode);
|
|
+}
|
|
+
|
|
/* for usb host and peripheral controller drivers */
|
|
#if IS_ENABLED(CONFIG_USB_PHY)
|
|
extern struct usb_phy *usb_get_phy(enum usb_phy_type type);
|