Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * cyttsp_i2c.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Cypress TrueTouch(TM) Standard Product (TTSP) I2C touchscreen driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * For use with Cypress Txx3xx parts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Supported parts include:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * CY8CTST341
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * CY8CTMA340
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "cyttsp_core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define CY_I2C_DATA_SIZE	128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static const struct cyttsp_bus_ops cyttsp_i2c_bus_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	.bustype	= BUS_I2C,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	.write		= cyttsp_i2c_write_block_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.read           = cyttsp_i2c_read_block_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static int cyttsp_i2c_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 				      const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	struct cyttsp *ts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		dev_err(&client->dev, "I2C functionality not Supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	ts = cyttsp_probe(&cyttsp_i2c_bus_ops, &client->dev, client->irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			  CY_I2C_DATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	if (IS_ERR(ts))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		return PTR_ERR(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	i2c_set_clientdata(client, ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static const struct i2c_device_id cyttsp_i2c_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	{ CY_I2C_NAME, 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static struct i2c_driver cyttsp_i2c_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		.name	= CY_I2C_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		.pm	= &cyttsp_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.probe		= cyttsp_i2c_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.id_table	= cyttsp_i2c_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) module_i2c_driver(cyttsp_i2c_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) MODULE_AUTHOR("Cypress");