1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// SPDX-License-Identifier: GPL-2.0
/*
* Siemens SIMATIC IPC driver for CMOS battery monitoring
*
* Copyright (c) Siemens AG, 2023
*
* Authors:
* Henning Schild <henning.schild@siemens.com>
*/
#include <linux/gpio/machine.h>
#include <linux/gpio/consumer.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "simatic-ipc-batt.h"
static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_127e = {
.table = {
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 55, NULL, 0, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 61, NULL, 1, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("apollolake-pinctrl.1", 41, NULL, 2, GPIO_ACTIVE_HIGH),
{} /* Terminating entry */
},
};
static void simatic_ipc_batt_apollolake_remove(struct platform_device *pdev)
{
simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_127e);
}
static int simatic_ipc_batt_apollolake_probe(struct platform_device *pdev)
{
return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_127e);
}
static struct platform_driver simatic_ipc_batt_driver = {
.probe = simatic_ipc_batt_apollolake_probe,
.remove_new = simatic_ipc_batt_apollolake_remove,
.driver = {
.name = KBUILD_MODNAME,
},
};
module_platform_driver(simatic_ipc_batt_driver);
MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Apollo Lake GPIO");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" KBUILD_MODNAME);
MODULE_SOFTDEP("pre: simatic-ipc-batt platform:apollolake-pinctrl");
MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
|
