/*
|
* platform_tca6416.c: tca6416 platform data initialization file
|
*
|
* (C) Copyright 2013 Intel Corporation
|
* Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
|
*
|
* This program is free software; you can redistribute it and/or
|
* modify it under the terms of the GNU General Public License
|
* as published by the Free Software Foundation; version 2
|
* of the License.
|
*/
|
|
#include <linux/platform_data/pca953x.h>
|
#include <linux/i2c.h>
|
#include <linux/gpio.h>
|
#include <asm/intel-mid.h>
|
|
#define TCA6416_NAME "tca6416"
|
#define TCA6416_BASE "tca6416_base"
|
#define TCA6416_INTR "tca6416_int"
|
|
static void *tca6416_platform_data(void *info)
|
{
|
static struct pca953x_platform_data tca6416;
|
struct i2c_board_info *i2c_info = info;
|
int gpio_base, intr;
|
char base_pin_name[SFI_NAME_LEN + 1];
|
char intr_pin_name[SFI_NAME_LEN + 1];
|
|
strcpy(i2c_info->type, TCA6416_NAME);
|
strcpy(base_pin_name, TCA6416_BASE);
|
strcpy(intr_pin_name, TCA6416_INTR);
|
|
gpio_base = get_gpio_by_name(base_pin_name);
|
intr = get_gpio_by_name(intr_pin_name);
|
|
if (gpio_base < 0)
|
return NULL;
|
tca6416.gpio_base = gpio_base;
|
if (intr >= 0) {
|
i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
|
tca6416.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
|
} else {
|
i2c_info->irq = -1;
|
tca6416.irq_base = -1;
|
}
|
return &tca6416;
|
}
|
|
static const struct devs_id tca6416_dev_id __initconst = {
|
.name = "tca6416",
|
.type = SFI_DEV_TYPE_I2C,
|
.delay = 1,
|
.get_platform_data = &tca6416_platform_data,
|
};
|
|
sfi_device(tca6416_dev_id);
|
