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watchdog: loongson1_wdt: Add DT support

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This patch adds the of_match_table to enable DT support
of Loongson-1 watchdog driver.
And modify the parameter of devm_clk_get_enabled() accordingly.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lkml.kernel.org/r/20230511121159.463645-3-keguang.zhang@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Keguang Zhang
2023-05-11 20:11:59 +08:00
committed by Wim Van Sebroeck
parent 547cc9be86
commit 20fbe6291e
1 changed files with 12 additions and 1 deletions
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drivers/watchdog/loongson1_wdt.c
+12 -1
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@@ -5,6 +5,7 @@
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>
@@ -112,7 +113,7 @@ static int ls1x_wdt_probe(struct platform_device *pdev)
if (IS_ERR(drvdata->base))
return PTR_ERR(drvdata->base);
drvdata->clk = devm_clk_get_enabled(dev, pdev->name);
drvdata->clk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(drvdata->clk))
return PTR_ERR(drvdata->clk);
@@ -144,10 +145,20 @@ static int ls1x_wdt_probe(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id ls1x_wdt_dt_ids[] = {
{ .compatible = "loongson,ls1b-wdt", },
{ .compatible = "loongson,ls1c-wdt", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ls1x_wdt_dt_ids);
#endif
static struct platform_driver ls1x_wdt_driver = {
.probe = ls1x_wdt_probe,
.driver = {
.name = "ls1x-wdt",
.of_match_table = of_match_ptr(ls1x_wdt_dt_ids),
},
};