/* * TI PWM Subsystem driver * * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/err.h> #include <linux/pm_runtime.h> #include <linux/of_device.h> static const struct of_device_id pwmss_of_match[] = { { .compatible = "ti,am33xx-pwmss" }, {}, }; MODULE_DEVICE_TABLE(of, pwmss_of_match); static int pwmss_probe(struct platform_device *pdev) { int ret; struct device_node *node = pdev->dev.of_node; pm_runtime_enable(&pdev->dev); /* Populate all the child nodes here... */ ret = of_platform_populate(node, NULL, NULL, &pdev->dev); if (ret) dev_err(&pdev->dev, "no child node found\n"); return ret; } static int pwmss_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); return 0; } static struct platform_driver pwmss_driver = { .driver = { .name = "pwmss", .of_match_table = pwmss_of_match, }, .probe = pwmss_probe, .remove = pwmss_remove, }; module_platform_driver(pwmss_driver); MODULE_DESCRIPTION("PWM Subsystem driver"); MODULE_AUTHOR("Texas Instruments"); MODULE_LICENSE("GPL");