USB Serial Driver: ZIO Motherboard

Add ZIO Motherboard USB serial interface driver.

Signed-off-by: Vijay Kumar B. <vijaykumar@zilogic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 73 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index a0ecb42cb33a..5f777c20f2e2 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -619,6 +619,14 @@ config USB_SERIAL_VIVOPAY_SERIAL
           To compile this driver as a module, choose M here: the
           module will be called vivopay-serial.
 
+config USB_SERIAL_ZIO
+        tristate "ZIO Motherboard USB serial interface driver"
+        help
+          Say Y here if you want to use ZIO Motherboard.
+
+          To compile this driver as a module, choose M here: the
+          module will be called zio.
+
 config USB_SERIAL_DEBUG
         tristate "USB Debugging Device"
         help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 83c9e431a568..3203614e3892 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -57,4 +57,5 @@ obj-$(CONFIG_USB_SERIAL_VISOR)			+= visor.o
 obj-$(CONFIG_USB_SERIAL_WHITEHEAT)              += whiteheat.o
 obj-$(CONFIG_USB_SERIAL_XIRCOM)                 += keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL) += vivopay-serial.o
+obj-$(CONFIG_USB_SERIAL_ZIO)                    += zio.o
 
diff --git a/drivers/usb/serial/zio.c b/drivers/usb/serial/zio.c
new file mode 100644
index 000000000000..f57967278833
--- /dev/null
+++ b/drivers/usb/serial/zio.c
@@ -0,0 +1,64 @@
+/*
+ * ZIO Motherboard USB driver
+ *
+ * Copyright (C) 2010 Zilogic Systems <code@zilogic.com>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License version
+ *      2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/uaccess.h>
+
+static const struct usb_device_id id_table[] = {
+        { USB_DEVICE(0x1CBE, 0x0103) },
+        { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver zio_driver = {
+        .name =         "zio",
+        .probe =        usb_serial_probe,
+        .disconnect =   usb_serial_disconnect,
+        .id_table =     id_table,
+        .no_dynamic_id =        1,
+};
+
+static struct usb_serial_driver zio_device = {
+        .driver = {
+                .owner =        THIS_MODULE,
+                .name =         "zio",
+        },
+        .id_table =             id_table,
+        .usb_driver =           &zio_driver,
+        .num_ports =            1,
+};
+
+static int __init zio_init(void)
+{
+        int retval;
+
+        retval = usb_serial_register(&zio_device);
+        if (retval)
+                return retval;
+        retval = usb_register(&zio_driver);
+        if (retval)
+                usb_serial_deregister(&zio_device);
+        return retval;
+}
+
+static void __exit zio_exit(void)
+{
+        usb_deregister(&zio_driver);
+        usb_serial_deregister(&zio_device);
+}
+
+module_init(zio_init);
+module_exit(zio_exit);
+MODULE_LICENSE("GPL");