1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Siemens SIMATIC IPC driver for CMOS battery monitoring
4 *
5 * Copyright (c) Siemens AG, 2023
6 *
7 * Authors:
8 * Henning Schild <henning.schild@siemens.com>
9 */
10
11 #include <linux/gpio/machine.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16
17 #include "simatic-ipc-batt.h"
18
19 static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_21a = {
20 .table = {
21 GPIO_LOOKUP_IDX("INTC1020:04", 18, NULL, 0, GPIO_ACTIVE_HIGH),
22 GPIO_LOOKUP_IDX("INTC1020:04", 19, NULL, 1, GPIO_ACTIVE_HIGH),
23 GPIO_LOOKUP_IDX("INTC1020:01", 66, NULL, 2, GPIO_ACTIVE_HIGH),
24 {} /* Terminating entry */
25 },
26 };
27
simatic_ipc_batt_elkhartlake_remove(struct platform_device * pdev)28 static int simatic_ipc_batt_elkhartlake_remove(struct platform_device *pdev)
29 {
30 return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_21a);
31 }
32
simatic_ipc_batt_elkhartlake_probe(struct platform_device * pdev)33 static int simatic_ipc_batt_elkhartlake_probe(struct platform_device *pdev)
34 {
35 return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_bx_21a);
36 }
37
38 static struct platform_driver simatic_ipc_batt_driver = {
39 .probe = simatic_ipc_batt_elkhartlake_probe,
40 .remove = simatic_ipc_batt_elkhartlake_remove,
41 .driver = {
42 .name = KBUILD_MODNAME,
43 },
44 };
45
46 module_platform_driver(simatic_ipc_batt_driver);
47
48 MODULE_LICENSE("GPL");
49 MODULE_ALIAS("platform:" KBUILD_MODNAME);
50 MODULE_SOFTDEP("pre: simatic-ipc-batt platform:elkhartlake-pinctrl");
51 MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
52
