projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| af0ba001 PA |
2 | /* |
| 3 | * TI PWM Subsystem driver | |
| 4 | * | |
| 5 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
| af0ba001 PA |
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 | |
| af0ba001 PA |
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; | |
| af0ba001 PA |
24 | struct device_node *node = pdev->dev.of_node; |
| 25 | ||
| af0ba001 | 26 | pm_runtime_enable(&pdev->dev); |
| af0ba001 PA |
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); |
| af0ba001 PA |
39 | } |
| 40 | ||
| af0ba001 PA |
41 | static struct platform_driver pwmss_driver = { |
| 42 | .driver = { | |
| 43 | .name = "pwmss", | |
| af0ba001 PA |
44 | .of_match_table = pwmss_of_match, |
| 45 | }, | |
| 46 | .probe = pwmss_probe, | |
| 2754f615 | 47 | .remove_new = pwmss_remove, |
| af0ba001 PA |
48 | }; |
| 49 | ||
| 50 | module_platform_driver(pwmss_driver); | |
| 51 | ||
| 52 | MODULE_DESCRIPTION("PWM Subsystem driver"); | |
| 53 | MODULE_AUTHOR("Texas Instruments"); | |
| 54 | MODULE_LICENSE("GPL"); |