53 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Siemens SIMATIC IPC driver for CMOS battery monitoring
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|  *
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|  * Copyright (c) Siemens AG, 2023
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|  *
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|  * Authors:
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|  *  Henning Schild <henning.schild@siemens.com>
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|  */
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| 
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| #include <linux/gpio/machine.h>
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| #include <linux/gpio/consumer.h>
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| #include <linux/kernel.h>
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| #include <linux/module.h>
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| #include <linux/platform_device.h>
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| 
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| #include "simatic-ipc-batt.h"
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| 
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| static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_127e = {
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| 	.table = {
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| 		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 55, NULL, 0, GPIO_ACTIVE_HIGH),
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| 		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 61, NULL, 1, GPIO_ACTIVE_HIGH),
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| 		GPIO_LOOKUP_IDX("apollolake-pinctrl.1", 41, NULL, 2, GPIO_ACTIVE_HIGH),
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| 		{} /* Terminating entry */
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| 	},
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| };
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| 
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| static void simatic_ipc_batt_apollolake_remove(struct platform_device *pdev)
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| {
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| 	simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_127e);
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| }
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| 
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| static int simatic_ipc_batt_apollolake_probe(struct platform_device *pdev)
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| {
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| 	return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_127e);
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| }
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| 
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| static struct platform_driver simatic_ipc_batt_driver = {
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| 	.probe = simatic_ipc_batt_apollolake_probe,
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| 	.remove_new = simatic_ipc_batt_apollolake_remove,
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| 	.driver = {
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| 		.name = KBUILD_MODNAME,
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| 	},
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| };
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| 
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| module_platform_driver(simatic_ipc_batt_driver);
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| 
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| MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Apollo Lake GPIO");
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| MODULE_LICENSE("GPL");
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| MODULE_ALIAS("platform:" KBUILD_MODNAME);
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| MODULE_SOFTDEP("pre: simatic-ipc-batt platform:apollolake-pinctrl");
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| MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
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