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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 0000000..1040bda
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pdc.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+static int __init pdc_probe(struct platform_device *pdev)
+{
+ struct clk *pclk, *hclk;
+
+ pclk = clk_get(&pdev->dev, "pclk");
+ if (IS_ERR(pclk)) {
+ dev_err(&pdev->dev, "no pclk defined\n");
+ return PTR_ERR(pclk);
+ }
+ hclk = clk_get(&pdev->dev, "hclk");
+ if (IS_ERR(hclk)) {
+ dev_err(&pdev->dev, "no hclk defined\n");
+ clk_put(pclk);
+ return PTR_ERR(hclk);
+ }
+
+ clk_enable(pclk);
+ clk_enable(hclk);
+
+ dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n");
+ return 0;
+}
+
+static struct platform_driver pdc_driver = {
+ .probe = pdc_probe,
+ .driver = {
+ .name = "pdc",
+ },
+};
+
+static int __init pdc_init(void)
+{
+ return platform_driver_register(&pdc_driver);
+}
+arch_initcall(pdc_init);
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