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5f97f7f9 HS |
1 | /* |
2 | * Copyright (C) 2006 Atmel Corporation | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #include <linux/clk.h> | |
10 | #include <linux/err.h> | |
11 | #include <linux/init.h> | |
12 | #include <linux/platform_device.h> | |
13 | ||
5f97f7f9 HS |
14 | static int __init pdc_probe(struct platform_device *pdev) |
15 | { | |
16 | struct clk *pclk, *hclk; | |
17 | ||
18 | pclk = clk_get(&pdev->dev, "pclk"); | |
19 | if (IS_ERR(pclk)) { | |
20 | dev_err(&pdev->dev, "no pclk defined\n"); | |
21 | return PTR_ERR(pclk); | |
22 | } | |
23 | hclk = clk_get(&pdev->dev, "hclk"); | |
24 | if (IS_ERR(hclk)) { | |
25 | dev_err(&pdev->dev, "no hclk defined\n"); | |
26 | clk_put(pclk); | |
27 | return PTR_ERR(hclk); | |
28 | } | |
29 | ||
30 | clk_enable(pclk); | |
31 | clk_enable(hclk); | |
32 | ||
33 | dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n"); | |
34 | return 0; | |
35 | } | |
36 | ||
37 | static struct platform_driver pdc_driver = { | |
5f97f7f9 HS |
38 | .driver = { |
39 | .name = "pdc", | |
40 | }, | |
41 | }; | |
42 | ||
43 | static int __init pdc_init(void) | |
44 | { | |
787928e7 | 45 | return platform_driver_probe(&pdc_driver, pdc_probe); |
5f97f7f9 HS |
46 | } |
47 | arch_initcall(pdc_init); |