Initial import

1 files changed, 90 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/cyttsp_i2c.c b/drivers/input/touchscreen/cyttsp_i2c.c
new file mode 100644
index 000000000..63104a86a
--- /dev/null
+++ b/drivers/input/touchscreen/cyttsp_i2c.c
@@ -0,0 +1,90 @@
+/*
+ * cyttsp_i2c.c
+ * Cypress TrueTouch(TM) Standard Product (TTSP) I2C touchscreen driver.
+ * For use with Cypress Txx3xx parts.
+ * Supported parts include:
+ * CY8CTST341
+ * CY8CTMA340
+ *
+ * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
+ * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, and only version 2, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
+ *
+ */
+
+#include "cyttsp_core.h"
+
+#include <linux/i2c.h>
+#include <linux/input.h>
+
+#define CY_I2C_DATA_SIZE	128
+
+static const struct cyttsp_bus_ops cyttsp_i2c_bus_ops = {
+	.bustype	= BUS_I2C,
+	.write		= cyttsp_i2c_write_block_data,
+	.read           = cyttsp_i2c_read_block_data,
+};
+
+static int cyttsp_i2c_probe(struct i2c_client *client,
+				      const struct i2c_device_id *id)
+{
+	struct cyttsp *ts;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+		dev_err(&client->dev, "I2C functionality not Supported\n");
+		return -EIO;
+	}
+
+	ts = cyttsp_probe(&cyttsp_i2c_bus_ops, &client->dev, client->irq,
+			  CY_I2C_DATA_SIZE);
+
+	if (IS_ERR(ts))
+		return PTR_ERR(ts);
+
+	i2c_set_clientdata(client, ts);
+	return 0;
+}
+
+static int cyttsp_i2c_remove(struct i2c_client *client)
+{
+	struct cyttsp *ts = i2c_get_clientdata(client);
+
+	cyttsp_remove(ts);
+
+	return 0;
+}
+
+static const struct i2c_device_id cyttsp_i2c_id[] = {
+	{ CY_I2C_NAME, 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
+
+static struct i2c_driver cyttsp_i2c_driver = {
+	.driver = {
+		.name	= CY_I2C_NAME,
+		.owner	= THIS_MODULE,
+		.pm	= &cyttsp_pm_ops,
+	},
+	.probe		= cyttsp_i2c_probe,
+	.remove		= cyttsp_i2c_remove,
+	.id_table	= cyttsp_i2c_id,
+};
+
+module_i2c_driver(cyttsp_i2c_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
+MODULE_AUTHOR("Cypress");
+MODULE_ALIAS("i2c:cyttsp");