// 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_bx_21a = { .table = { GPIO_LOOKUP_IDX("INTC1020:04", 18, NULL, 0, GPIO_ACTIVE_HIGH), GPIO_LOOKUP_IDX("INTC1020:04", 19, NULL, 1, GPIO_ACTIVE_HIGH), GPIO_LOOKUP_IDX("INTC1020:01", 66, NULL, 2, GPIO_ACTIVE_HIGH), {} /* Terminating entry */ }, }; static void simatic_ipc_batt_elkhartlake_remove(struct platform_device *pdev) { simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_21a); } static int simatic_ipc_batt_elkhartlake_probe(struct platform_device *pdev) { return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_bx_21a); } static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_elkhartlake_probe, .remove_new = simatic_ipc_batt_elkhartlake_remove, .driver = { .name = KBUILD_MODNAME, }, }; module_platform_driver(simatic_ipc_batt_driver); MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Elkhart Lake GPIO"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" KBUILD_MODNAME); MODULE_SOFTDEP("pre: simatic-ipc-batt platform:elkhartlake-pinctrl"); MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");