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