3 * Cypress TrueTouch(TM) Standard Product (TTSP) I2C touchscreen driver.
4 * For use with Cypress Txx3xx parts.
5 * Supported parts include:
9 * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
10 * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * version 2, and only version 2, as published by the
15 * Free Software Foundation.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
26 #include "cyttsp_core.h"
28 #include <linux/i2c.h>
29 #include <linux/input.h>
31 #define CY_I2C_DATA_SIZE 128
33 static const struct cyttsp_bus_ops cyttsp_i2c_bus_ops = {
35 .write = cyttsp_i2c_write_block_data,
36 .read = cyttsp_i2c_read_block_data,
39 static int cyttsp_i2c_probe(struct i2c_client *client,
40 const struct i2c_device_id *id)
44 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
45 dev_err(&client->dev, "I2C functionality not Supported\n");
49 ts = cyttsp_probe(&cyttsp_i2c_bus_ops, &client->dev, client->irq,
55 i2c_set_clientdata(client, ts);
59 static const struct i2c_device_id cyttsp_i2c_id[] = {
63 MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
65 static struct i2c_driver cyttsp_i2c_driver = {
70 .probe = cyttsp_i2c_probe,
71 .id_table = cyttsp_i2c_id,
74 module_i2c_driver(cyttsp_i2c_driver);
76 MODULE_LICENSE("GPL");
77 MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
78 MODULE_AUTHOR("Cypress");