aboutsummaryrefslogtreecommitdiffstats
path: root/arch/avr32/mach-at32ap/pdc.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32/mach-at32ap/pdc.c')
-rw-r--r--arch/avr32/mach-at32ap/pdc.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/pdc.c b/arch/avr32/mach-at32ap/pdc.c
new file mode 100644
index 000000000000..1040bda4fda7
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pdc.c
@@ -0,0 +1,48 @@
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
14static 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
37static struct platform_driver pdc_driver = {
38 .probe = pdc_probe,
39 .driver = {
40 .name = "pdc",
41 },
42};
43
44static int __init pdc_init(void)
45{
46 return platform_driver_register(&pdc_driver);
47}
48arch_initcall(pdc_init);