1*9bc289b8SHenning Schild // SPDX-License-Identifier: GPL-2.0 2*9bc289b8SHenning Schild /* 3*9bc289b8SHenning Schild * Siemens SIMATIC IPC driver for CMOS battery monitoring 4*9bc289b8SHenning Schild * 5*9bc289b8SHenning Schild * Copyright (c) Siemens AG, 2023 6*9bc289b8SHenning Schild * 7*9bc289b8SHenning Schild * Authors: 8*9bc289b8SHenning Schild * Henning Schild <henning.schild@siemens.com> 9*9bc289b8SHenning Schild */ 10*9bc289b8SHenning Schild 11*9bc289b8SHenning Schild #include <linux/gpio/machine.h> 12*9bc289b8SHenning Schild #include <linux/gpio/consumer.h> 13*9bc289b8SHenning Schild #include <linux/kernel.h> 14*9bc289b8SHenning Schild #include <linux/module.h> 15*9bc289b8SHenning Schild #include <linux/platform_device.h> 16*9bc289b8SHenning Schild #include <linux/platform_data/x86/simatic-ipc-base.h> 17*9bc289b8SHenning Schild 18*9bc289b8SHenning Schild #include "simatic-ipc-batt.h" 19*9bc289b8SHenning Schild 20*9bc289b8SHenning Schild static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_227g = { 21*9bc289b8SHenning Schild .table = { 22*9bc289b8SHenning Schild GPIO_LOOKUP_IDX("gpio-f7188x-7", 6, NULL, 0, GPIO_ACTIVE_HIGH), 23*9bc289b8SHenning Schild GPIO_LOOKUP_IDX("gpio-f7188x-7", 5, NULL, 1, GPIO_ACTIVE_HIGH), 24*9bc289b8SHenning Schild GPIO_LOOKUP_IDX("INTC1020:01", 66, NULL, 2, GPIO_ACTIVE_HIGH), 25*9bc289b8SHenning Schild {} /* Terminating entry */ 26*9bc289b8SHenning Schild }, 27*9bc289b8SHenning Schild }; 28*9bc289b8SHenning Schild 29*9bc289b8SHenning Schild static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_39a = { 30*9bc289b8SHenning Schild .table = { 31*9bc289b8SHenning Schild GPIO_LOOKUP_IDX("gpio-f7188x-6", 4, NULL, 0, GPIO_ACTIVE_HIGH), 32*9bc289b8SHenning Schild GPIO_LOOKUP_IDX("gpio-f7188x-6", 3, NULL, 1, GPIO_ACTIVE_HIGH), 33*9bc289b8SHenning Schild {} /* Terminating entry */ 34*9bc289b8SHenning Schild }, 35*9bc289b8SHenning Schild }; 36*9bc289b8SHenning Schild 37*9bc289b8SHenning Schild static int simatic_ipc_batt_f7188x_remove(struct platform_device *pdev) 38*9bc289b8SHenning Schild { 39*9bc289b8SHenning Schild const struct simatic_ipc_platform *plat = pdev->dev.platform_data; 40*9bc289b8SHenning Schild 41*9bc289b8SHenning Schild if (plat->devmode == SIMATIC_IPC_DEVICE_227G) 42*9bc289b8SHenning Schild return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_227g); 43*9bc289b8SHenning Schild 44*9bc289b8SHenning Schild return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_39a); 45*9bc289b8SHenning Schild } 46*9bc289b8SHenning Schild 47*9bc289b8SHenning Schild static int simatic_ipc_batt_f7188x_probe(struct platform_device *pdev) 48*9bc289b8SHenning Schild { 49*9bc289b8SHenning Schild const struct simatic_ipc_platform *plat = pdev->dev.platform_data; 50*9bc289b8SHenning Schild 51*9bc289b8SHenning Schild if (plat->devmode == SIMATIC_IPC_DEVICE_227G) 52*9bc289b8SHenning Schild return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_227g); 53*9bc289b8SHenning Schild 54*9bc289b8SHenning Schild return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_bx_39a); 55*9bc289b8SHenning Schild } 56*9bc289b8SHenning Schild 57*9bc289b8SHenning Schild static struct platform_driver simatic_ipc_batt_driver = { 58*9bc289b8SHenning Schild .probe = simatic_ipc_batt_f7188x_probe, 59*9bc289b8SHenning Schild .remove = simatic_ipc_batt_f7188x_remove, 60*9bc289b8SHenning Schild .driver = { 61*9bc289b8SHenning Schild .name = KBUILD_MODNAME, 62*9bc289b8SHenning Schild }, 63*9bc289b8SHenning Schild }; 64*9bc289b8SHenning Schild 65*9bc289b8SHenning Schild module_platform_driver(simatic_ipc_batt_driver); 66*9bc289b8SHenning Schild 67*9bc289b8SHenning Schild MODULE_LICENSE("GPL"); 68*9bc289b8SHenning Schild MODULE_ALIAS("platform:" KBUILD_MODNAME); 69*9bc289b8SHenning Schild MODULE_SOFTDEP("pre: simatic-ipc-batt gpio_f7188x platform:elkhartlake-pinctrl"); 70*9bc289b8SHenning Schild MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>"); 71