1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Siemens SIMATIC IPC driver for GPIO based LEDs 4 * 5 * Copyright (c) Siemens AG, 2023 6 * 7 * Author: 8 * Henning Schild <henning.schild@siemens.com> 9 */ 10 11 #include <linux/gpio/machine.h> 12 #include <linux/gpio/consumer.h> 13 #include <linux/leds.h> 14 #include <linux/module.h> 15 #include <linux/platform_device.h> 16 #include <linux/platform_data/x86/simatic-ipc-base.h> 17 18 #include "simatic-ipc-leds-gpio.h" 19 20 static struct gpiod_lookup_table simatic_ipc_led_gpio_table = { 21 .dev_id = "leds-gpio", 22 .table = { 23 GPIO_LOOKUP_IDX("INTC1020:04", 72, NULL, 0, GPIO_ACTIVE_HIGH), 24 GPIO_LOOKUP_IDX("INTC1020:04", 77, NULL, 1, GPIO_ACTIVE_HIGH), 25 GPIO_LOOKUP_IDX("INTC1020:04", 78, NULL, 2, GPIO_ACTIVE_HIGH), 26 GPIO_LOOKUP_IDX("INTC1020:04", 58, NULL, 3, GPIO_ACTIVE_HIGH), 27 GPIO_LOOKUP_IDX("INTC1020:04", 60, NULL, 4, GPIO_ACTIVE_HIGH), 28 GPIO_LOOKUP_IDX("INTC1020:04", 62, NULL, 5, GPIO_ACTIVE_HIGH), 29 {} /* Terminating entry */ 30 }, 31 }; 32 33 static int simatic_ipc_leds_gpio_elkhartlake_probe(struct platform_device *pdev) 34 { 35 return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table, 36 NULL); 37 } 38 39 static void simatic_ipc_leds_gpio_elkhartlake_remove(struct platform_device *pdev) 40 { 41 simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table, NULL); 42 } 43 44 static struct platform_driver simatic_ipc_led_gpio_elkhartlake_driver = { 45 .probe = simatic_ipc_leds_gpio_elkhartlake_probe, 46 .remove_new = simatic_ipc_leds_gpio_elkhartlake_remove, 47 .driver = { 48 .name = KBUILD_MODNAME, 49 }, 50 }; 51 module_platform_driver(simatic_ipc_led_gpio_elkhartlake_driver); 52 53 MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Intel Elkhart Lake GPIO"); 54 MODULE_LICENSE("GPL v2"); 55 MODULE_ALIAS("platform:" KBUILD_MODNAME); 56 MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:elkhartlake-pinctrl"); 57 MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>"); 58