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Commit 6ec2f46c authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD Committed by Greg Kroah-Hartman
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USB: ftdi_sio: add ST Micro Connect Lite uart support 



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: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c25f6b15

drivers/usb/serial/ftdi_sio.c

+26 −0
Original line number Diff line number Diff line
@@ -100,6 +100,7 @@ struct ftdi_sio_quirk { 
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);
@@ -123,6 +124,10 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { 
	.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:
@@ -810,6 +815,8 @@ static struct usb_device_id id_table_combined [] = { 
	{ 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 */

};
@@ -1708,6 +1715,25 @@ static int ftdi_jtag_probe(struct usb_serial *serial) 
	return 0;

}



/*

 * 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.

drivers/usb/serial/ftdi_sio_ids.h

+6 −0
Original line number Diff line number Diff line
@@ -1033,6 +1033,12 @@ 
#define STB_PID			0x0001 /* Sensor Terminal Board */

#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