1/*
2 * platform_tca6416.c: tca6416 platform data initilization file
3 *
4 * (C) Copyright 2013 Intel Corporation
5 * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; version 2
10 * of the License.
11 */
12
13#include <linux/platform_data/pca953x.h>
14#include <linux/i2c.h>
15#include <linux/gpio.h>
16#include <asm/intel-mid.h>
17
18#define TCA6416_NAME	"tca6416"
19#define TCA6416_BASE	"tca6416_base"
20#define TCA6416_INTR	"tca6416_int"
21
22static void *tca6416_platform_data(void *info)
23{
24	static struct pca953x_platform_data tca6416;
25	struct i2c_board_info *i2c_info = info;
26	int gpio_base, intr;
27	char base_pin_name[SFI_NAME_LEN + 1];
28	char intr_pin_name[SFI_NAME_LEN + 1];
29
30	strcpy(i2c_info->type, TCA6416_NAME);
31	strcpy(base_pin_name, TCA6416_BASE);
32	strcpy(intr_pin_name, TCA6416_INTR);
33
34	gpio_base = get_gpio_by_name(base_pin_name);
35	intr = get_gpio_by_name(intr_pin_name);
36
37	if (gpio_base < 0)
38		return NULL;
39	tca6416.gpio_base = gpio_base;
40	if (intr >= 0) {
41		i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
42		tca6416.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
43	} else {
44		i2c_info->irq = -1;
45		tca6416.irq_base = -1;
46	}
47	return &tca6416;
48}
49
50static const struct devs_id tca6416_dev_id __initconst = {
51	.name = "tca6416",
52	.type = SFI_DEV_TYPE_I2C,
53	.delay = 1,
54	.get_platform_data = &tca6416_platform_data,
55};
56
57sfi_device(tca6416_dev_id);
58