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Subject[PATCH] [27/275] USB: ftdi_sio: add ST Micro Connect Lite uart support
Date
2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

commit 6ec2f46c4b4abf48c88c0ae7c476f347b97e1105 upstream.

on ST Micro Connect Lite we have 4 port
Part A and B for the JTAG
Port C Uart
Port D for PIO

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

---
drivers/usb/serial/ftdi_sio.c | 26 ++++++++++++++++++++++++++
drivers/usb/serial/ftdi_sio_ids.h | 6 ++++++
2 files changed, 32 insertions(+)

Index: linux-2.6.35.y/drivers/usb/serial/ftdi_sio.c
===================================================================
--- linux-2.6.35.y.orig/drivers/usb/serial/ftdi_sio.c 2011-03-29 23:02:58.615335600 -0700
+++ linux-2.6.35.y/drivers/usb/serial/ftdi_sio.c 2011-03-29 23:55:28.414740114 -0700
@@ -99,6 +99,7 @@
static int ftdi_jtag_probe(struct usb_serial *serial);
static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
static int ftdi_NDI_device_setup(struct usb_serial *serial);
+static int ftdi_stmclite_probe(struct usb_serial *serial);
static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);

@@ -122,6 +123,10 @@
.port_probe = ftdi_HE_TIRA1_setup,
};

+static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
+ .probe = ftdi_stmclite_probe,
+};
+
/*
* The 8U232AM has the same API as the sio except for:
* - it can support MUCH higher baudrates; up to:
@@ -809,6 +814,8 @@
{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
@@ -1690,6 +1697,25 @@
}

/*
+ * First and second port on STMCLiteadaptors is reserved for JTAG interface
+ * and the forth port for pio
+ */
+static int ftdi_stmclite_probe(struct usb_serial *serial)
+{
+ struct usb_device *udev = serial->dev;
+ struct usb_interface *interface = serial->interface;
+
+ dbg("%s", __func__);
+
+ if (interface == udev->actconfig->interface[2])
+ return 0;
+
+ dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+
+ return -ENODEV;
+}
+
+/*
* The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
* We have to correct it if we want to read from it.
*/
Index: linux-2.6.35.y/drivers/usb/serial/ftdi_sio_ids.h
===================================================================
--- linux-2.6.35.y.orig/drivers/usb/serial/ftdi_sio_ids.h 2011-03-29 23:02:58.616335575 -0700
+++ linux-2.6.35.y/drivers/usb/serial/ftdi_sio_ids.h 2011-03-29 23:55:28.414740114 -0700
@@ -1034,6 +1034,12 @@
#define WHT_PID 0x0004 /* Wireless Handheld Terminal */

/*
+ * STMicroelectonics
+ */
+#define ST_VID 0x0483
+#define ST_STMCLT1030_PID 0x3747 /* ST Micro Connect Lite STMCLT1030 */
+
+/*
* Papouch products (http://www.papouch.com/)
* Submitted by Folkert van Heusden
*/

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