usb: kconfig: usb keyboard kconfig

Add Kconfig options for USB keyboard and use them for cm-fx6.

Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: NNikita Kiryanov <nikita@compulab.co.il>
Acked-by: NIgor Grinberg <grinberg@compulab.co.il>

configs/cm_fx6_defconfig

@@ -20,3 +20,5 @@ CONFIG_CMD_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_MX6=y
 CONFIG_USB_STORAGE=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP=y

drivers/usb/Kconfig

@@ -59,4 +59,31 @@ config USB_STORAGE
 	  Say Y here if you want to connect USB mass storage devices to your
 	  board's USB port.
 
+config USB_KEYBOARD
+	bool "USB Keyboard support"
+	---help---
+	  Say Y here if you want to use a USB keyboard for U-Boot command line
+	  input.
+
+if USB_KEYBOARD
+
+choice
+	prompt "USB keyboard polling"
+	optional
+	---help---
+	  Enable a polling mechanism for USB keyboard.
+
+	config SYS_USB_EVENT_POLL
+		bool "Interrupt polling"
+
+	config SYS_USB_EVENT_POLL_VIA_INT_QUEUE
+		bool "Poll via interrupt queue"
+
+	config SYS_USB_EVENT_POLL_VIA_CONTROL_EP
+		bool "Poll via control EP"
+
+endchoice
+
+endif
+
 endif

include/configs/cm_fx6.h

@@ -202,8 +202,6 @@
 #define CONFIG_MXC_USB_FLAGS		0
 #define CONFIG_USB_MAX_CONTROLLER_COUNT	2
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET	/* For OTG port */
-#define CONFIG_USB_KEYBOARD
-#define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP
 #define CONFIG_SYS_STDIO_DEREGISTER
 
 /* I2C */