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authorKeguang Zhang <keguang.zhang@gmail.com>2023-05-11 20:11:59 +0800
committerWim Van Sebroeck <wim@linux-watchdog.org>2023-06-26 14:30:04 +0200
commit20fbe6291e54739beb905e0b7fc45ba534cf644d (patch)
tree197a40181b524fb48b9322de82e7f7e3db5ccba6 /drivers/watchdog/loongson1_wdt.c
parent547cc9be86f4c51c51fd429ace6c2e1ef9050d15 (diff)
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>
Diffstat (limited to 'drivers/watchdog/loongson1_wdt.c')
-rw-r--r--drivers/watchdog/loongson1_wdt.c13
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),
},
};