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Diffstat (limited to 'include/linux/usb/chipidea.h')
-rw-r--r--include/linux/usb/chipidea.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index a41833cd1..5dd75fa47 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -5,9 +5,28 @@
#ifndef __LINUX_USB_CHIPIDEA_H
#define __LINUX_USB_CHIPIDEA_H
+#include <linux/extcon.h>
#include <linux/usb/otg.h>
struct ci_hdrc;
+
+/**
+ * struct ci_hdrc_cable - structure for external connector cable state tracking
+ * @state: current state of the line
+ * @changed: set to true when extcon event happen
+ * @edev: device which generate events
+ * @ci: driver state of the chipidea device
+ * @nb: hold event notification callback
+ * @conn: used for notification registration
+ */
+struct ci_hdrc_cable {
+ bool state;
+ bool changed;
+ struct extcon_dev *edev;
+ struct ci_hdrc *ci;
+ struct notifier_block nb;
+};
+
struct ci_hdrc_platform_data {
const char *name;
/* offset of the capability registers */
@@ -48,6 +67,11 @@ struct ci_hdrc_platform_data {
u32 ahb_burst_config;
u32 tx_burst_size;
u32 rx_burst_size;
+
+ /* VBUS and ID signal state tracking, using extcon framework */
+ struct ci_hdrc_cable vbus_extcon;
+ struct ci_hdrc_cable id_extcon;
+ u32 phy_clkgate_delay_us;
};
/* Default offset of capability registers */