1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * TI PWM Subsystem driver
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/module.h>
9*4882a593Smuzhiyun #include <linux/platform_device.h>
10*4882a593Smuzhiyun #include <linux/io.h>
11*4882a593Smuzhiyun #include <linux/err.h>
12*4882a593Smuzhiyun #include <linux/pm_runtime.h>
13*4882a593Smuzhiyun #include <linux/of_device.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static const struct of_device_id pwmss_of_match[] = {
16*4882a593Smuzhiyun { .compatible = "ti,am33xx-pwmss" },
17*4882a593Smuzhiyun {},
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, pwmss_of_match);
20*4882a593Smuzhiyun
pwmss_probe(struct platform_device * pdev)21*4882a593Smuzhiyun static int pwmss_probe(struct platform_device *pdev)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun int ret;
24*4882a593Smuzhiyun struct device_node *node = pdev->dev.of_node;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun pm_runtime_enable(&pdev->dev);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* Populate all the child nodes here... */
29*4882a593Smuzhiyun ret = of_platform_populate(node, NULL, NULL, &pdev->dev);
30*4882a593Smuzhiyun if (ret)
31*4882a593Smuzhiyun dev_err(&pdev->dev, "no child node found\n");
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun return ret;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
pwmss_remove(struct platform_device * pdev)36*4882a593Smuzhiyun static int pwmss_remove(struct platform_device *pdev)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun pm_runtime_disable(&pdev->dev);
39*4882a593Smuzhiyun return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun static struct platform_driver pwmss_driver = {
43*4882a593Smuzhiyun .driver = {
44*4882a593Smuzhiyun .name = "pwmss",
45*4882a593Smuzhiyun .of_match_table = pwmss_of_match,
46*4882a593Smuzhiyun },
47*4882a593Smuzhiyun .probe = pwmss_probe,
48*4882a593Smuzhiyun .remove = pwmss_remove,
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun module_platform_driver(pwmss_driver);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun MODULE_DESCRIPTION("PWM Subsystem driver");
54*4882a593Smuzhiyun MODULE_AUTHOR("Texas Instruments");
55*4882a593Smuzhiyun MODULE_LICENSE("GPL");
56