#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/spinlock.h>
+#include <linux/clk.h>
#include <mach/bridge-regs.h>
-#include <plat/orion_wdt.h>
/*
* Watchdog timer block registers.
static bool nowayout = WATCHDOG_NOWAYOUT;
static int heartbeat = -1; /* module parameter (seconds) */
static unsigned int wdt_max_duration; /* (seconds) */
+static struct clk *clk;
static unsigned int wdt_tclk;
static void __iomem *wdt_reg;
static unsigned long wdt_status;
static int __devinit orion_wdt_probe(struct platform_device *pdev)
{
- struct orion_wdt_platform_data *pdata = pdev->dev.platform_data;
struct resource *res;
int ret;
- if (pdata) {
- wdt_tclk = pdata->tclk;
- } else {
- pr_err("misses platform data\n");
+ clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(clk)) {
+ printk(KERN_ERR "Orion Watchdog missing clock\n");
return -ENODEV;
}
+ clk_prepare_enable(clk);
+ wdt_tclk = clk_get_rate(clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!ret)
orion_wdt_miscdev.parent = NULL;
+ clk_disable_unprepare(clk);
+ clk_put(clk);
+
return ret;
}