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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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2 | /* |
3 | * TI PWM Subsystem driver | |
4 | * | |
5 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
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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> | |
53c5ae63 | 13 | #include <linux/of_platform.h> |
af0ba001 | 14 | |
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15 | static const struct of_device_id pwmss_of_match[] = { |
16 | { .compatible = "ti,am33xx-pwmss" }, | |
17 | {}, | |
18 | }; | |
19 | MODULE_DEVICE_TABLE(of, pwmss_of_match); | |
20 | ||
21 | static int pwmss_probe(struct platform_device *pdev) | |
22 | { | |
23 | int ret; | |
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24 | struct device_node *node = pdev->dev.of_node; |
25 | ||
af0ba001 | 26 | pm_runtime_enable(&pdev->dev); |
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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 | ||
2754f615 | 36 | static void pwmss_remove(struct platform_device *pdev) |
af0ba001 | 37 | { |
af0ba001 | 38 | pm_runtime_disable(&pdev->dev); |
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39 | } |
40 | ||
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41 | static struct platform_driver pwmss_driver = { |
42 | .driver = { | |
43 | .name = "pwmss", | |
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44 | .of_match_table = pwmss_of_match, |
45 | }, | |
46 | .probe = pwmss_probe, | |
2754f615 | 47 | .remove_new = pwmss_remove, |
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48 | }; |
49 | ||
50 | module_platform_driver(pwmss_driver); | |
51 | ||
52 | MODULE_DESCRIPTION("PWM Subsystem driver"); | |
53 | MODULE_AUTHOR("Texas Instruments"); | |
54 | MODULE_LICENSE("GPL"); |