1 /*
2  * platform_msic_gpio.c: MSIC GPIO platform data initialization 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/kernel.h>
14 #include <linux/interrupt.h>
15 #include <linux/scatterlist.h>
16 #include <linux/sfi.h>
17 #include <linux/init.h>
18 #include <linux/gpio.h>
19 #include <linux/mfd/intel_msic.h>
20 #include <asm/intel-mid.h>
21 
22 #include "platform_msic.h"
23 
msic_gpio_platform_data(void * info)24 static void __init *msic_gpio_platform_data(void *info)
25 {
26 	static struct intel_msic_gpio_pdata msic_gpio_pdata;
27 
28 	int gpio = get_gpio_by_name("msic_gpio_base");
29 
30 	if (gpio < 0)
31 		return NULL;
32 
33 	msic_gpio_pdata.gpio_base = gpio;
34 	msic_pdata.gpio = &msic_gpio_pdata;
35 
36 	return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_GPIO);
37 }
38 
39 static const struct devs_id msic_gpio_dev_id __initconst = {
40 	.name = "msic_gpio",
41 	.type = SFI_DEV_TYPE_IPC,
42 	.delay = 1,
43 	.msic = 1,
44 	.get_platform_data = &msic_gpio_platform_data,
45 };
46 
47 sfi_device(msic_gpio_dev_id);
48