diff options
| author | Keguang Zhang <keguang.zhang@gmail.com> | 2023-05-11 15:11:59 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2023-06-26 15:30:04 +0300 |
| commit | 20fbe6291e54739beb905e0b7fc45ba534cf644d (patch) | |
| tree | 197a40181b524fb48b9322de82e7f7e3db5ccba6 | |
| parent | 547cc9be86f4c51c51fd429ace6c2e1ef9050d15 (diff) | |
| download | linux-20fbe6291e54739beb905e0b7fc45ba534cf644d.tar.xz | |
watchdog: loongson1_wdt: Add DT support
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>
| -rw-r--r-- | drivers/watchdog/loongson1_wdt.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/watchdog/loongson1_wdt.c b/drivers/watchdog/loongson1_wdt.c index 3c651c50a98c..4ac7810a314d 100644 --- a/drivers/watchdog/loongson1_wdt.c +++ b/drivers/watchdog/loongson1_wdt.c @@ -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), }, }; |