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watchdog: Device tree support for pnx4008-wdt

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This patch adds device tree support to pnx4008-wdt.c

Signed-off-by: Roland Stigge <stigge@antcom.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Roland Stigge 2012-04-20 21:55:29 +02:00 committed by Wim Van Sebroeck
parent ae21cc20a6
commit 3ba3774b8c
2 changed files with 23 additions and 0 deletions
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13
Documentation/devicetree/bindings/watchdog/pnx4008-wdt.txt Normal file
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@ -0,0 +1,13 @@
* NXP PNX watchdog timer
Required properties:
- compatible: must be "nxp,pnx4008-wdt"
- reg: physical base address of the controller and length of memory mapped
region.
Example:
watchdog@4003C000 {
compatible = "nxp,pnx4008-wdt";
reg = <0x4003C000 0x1000>;
};

10
drivers/watchdog/pnx4008_wdt.c
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@ -32,6 +32,7 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/of.h>
#include <mach/hardware.h> #include <mach/hardware.h>
/* WatchDog Timer - Chapter 23 Page 207 */ /* WatchDog Timer - Chapter 23 Page 207 */
@ -201,10 +202,19 @@ static int __devexit pnx4008_wdt_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_OF
static const struct of_device_id pnx4008_wdt_match[] = {
{ .compatible = "nxp,pnx4008-wdt" },
{ }
};
MODULE_DEVICE_TABLE(of, pnx4008_wdt_match);
#endif
static struct platform_driver platform_wdt_driver = { static struct platform_driver platform_wdt_driver = {
.driver = { .driver = {
.name = "pnx4008-watchdog", .name = "pnx4008-watchdog",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.of_match_table = of_match_ptr(pnx4008_wdt_match),
}, },
.probe = pnx4008_wdt_probe, .probe = pnx4008_wdt_probe,
.remove = __devexit_p(pnx4008_wdt_remove), .remove = __devexit_p(pnx4008_wdt_remove),