1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * TI PWM Subsystem driver
4 *
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