drivers/leds/simple/simatic-ipc-leds-gpio-apollolake.c

   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("apollolake-pinctrl.0", 52, NULL, 0, GPIO_ACTIVE_LOW),
  24                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 53, NULL, 1, GPIO_ACTIVE_LOW),
  25                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 57, NULL, 2, GPIO_ACTIVE_LOW),
  26                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
  27                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
  28                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),
  29                 {} /* Terminating entry */
  30         },
  31 };
  32
  33 static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {
  34         .dev_id = NULL, /* Filled during initialization */
  35         .table = {
  36                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
  37                 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
  38                 {} /* Terminating entry */
  39         },
  40 };
  41
  42 static int simatic_ipc_leds_gpio_apollolake_probe(struct platform_device *pdev)
  43 {
  44         return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
  45                                            &simatic_ipc_led_gpio_table_extra);
  46 }
  47
  48 static int simatic_ipc_leds_gpio_apollolake_remove(struct platform_device *pdev)
  49 {
  50         return simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table,
  51                                             &simatic_ipc_led_gpio_table_extra);
  52 }
  53
  54 static struct platform_driver simatic_ipc_led_gpio_apollolake_driver = {
  55         .probe = simatic_ipc_leds_gpio_apollolake_probe,
  56         .remove = simatic_ipc_leds_gpio_apollolake_remove,
  57         .driver = {
  58                 .name = KBUILD_MODNAME,
  59         },
  60 };
  61 module_platform_driver(simatic_ipc_led_gpio_apollolake_driver);
  62
  63 MODULE_LICENSE("GPL v2");
  64 MODULE_ALIAS("platform:" KBUILD_MODNAME);
  65 MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:apollolake-pinctrl");
  66 MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");