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watchdog: ath79_wdt: add device tree matching

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Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Gabor Juhos 2013-02-02 10:34:54 +01:00 committed by Wim Van Sebroeck
parent 09f5100a59
commit 15920d1299
2 changed files with 24 additions and 0 deletions
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13
Documentation/devicetree/bindings/watchdog/qca-ar7130-wdt.txt Normal file
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@ -0,0 +1,13 @@
* Qualcomm Atheros AR7130 Watchdog Timer (WDT) Controller
Required properties:
- compatible: must be "qca,ar7130-wdt"
- reg: physical base address of the controller and length of memory mapped
region.
Example:
wdt@18060008 {
compatible = "qca,ar9330-wdt", "qca,ar7130-wdt";
reg = <0x18060008 0x8>;
};

11
drivers/watchdog/ath79_wdt.c
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@ -33,6 +33,8 @@
#include <linux/watchdog.h> #include <linux/watchdog.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#define DRIVER_NAME "ath79-wdt" #define DRIVER_NAME "ath79-wdt"
@ -308,6 +310,14 @@ static void ath97_wdt_shutdown(struct platform_device *pdev)
ath79_wdt_disable(); ath79_wdt_disable();
} }
#ifdef CONFIG_OF
static const struct of_device_id ath79_wdt_match[] = {
{ .compatible = "qca,ar7130-wdt" },
{},
};
MODULE_DEVICE_TABLE(of, ath79_wdt_match);
#endif
static struct platform_driver ath79_wdt_driver = { static struct platform_driver ath79_wdt_driver = {
.probe = ath79_wdt_probe, .probe = ath79_wdt_probe,
.remove = ath79_wdt_remove, .remove = ath79_wdt_remove,
@ -315,6 +325,7 @@ static struct platform_driver ath79_wdt_driver = {
.driver = { .driver = {
.name = DRIVER_NAME, .name = DRIVER_NAME,
.owner = THIS_MODULE, .owner = THIS_MODULE,
.of_match_table = of_match_ptr(ath79_wdt_match),
}, },
}; };