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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * TI PWM Subsystem driver4 *5 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/6 */7 8#include <linux/module.h>9#include <linux/platform_device.h>10#include <linux/io.h>11#include <linux/err.h>12#include <linux/pm_runtime.h>13#include <linux/of_platform.h>14 15static const struct of_device_id pwmss_of_match[] = {16 { .compatible = "ti,am33xx-pwmss" },17 {},18};19MODULE_DEVICE_TABLE(of, pwmss_of_match);20 21static int pwmss_probe(struct platform_device *pdev)22{23 int ret;24 struct device_node *node = pdev->dev.of_node;25 26 pm_runtime_enable(&pdev->dev);27 28 /* Populate all the child nodes here... */29 ret = of_platform_populate(node, NULL, NULL, &pdev->dev);30 if (ret)31 dev_err(&pdev->dev, "no child node found\n");32 33 return ret;34}35 36static void pwmss_remove(struct platform_device *pdev)37{38 pm_runtime_disable(&pdev->dev);39}40 41static struct platform_driver pwmss_driver = {42 .driver = {43 .name = "pwmss",44 .of_match_table = pwmss_of_match,45 },46 .probe = pwmss_probe,47 .remove_new = pwmss_remove,48};49 50module_platform_driver(pwmss_driver);51 52MODULE_DESCRIPTION("PWM Subsystem driver");53MODULE_AUTHOR("Texas Instruments");54MODULE_LICENSE("GPL");55