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path: root/drivers/leds/leds-lp5521.c
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Diffstat (limited to 'drivers/leds/leds-lp5521.c')
-rw-r--r--drivers/leds/leds-lp5521.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 19752c928aa2..1392feb1bcf7 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -31,6 +31,7 @@
#include <linux/mutex.h>
#include <linux/platform_data/leds-lp55xx.h>
#include <linux/slab.h>
+#include <linux/of.h>
#include "leds-lp55xx-common.h"
@@ -416,12 +417,20 @@ static int lp5521_probe(struct i2c_client *client,
int ret;
struct lp55xx_chip *chip;
struct lp55xx_led *led;
- struct lp55xx_platform_data *pdata = client->dev.platform_data;
-
- if (!pdata) {
- dev_err(&client->dev, "no platform data\n");
- return -EINVAL;
+ struct lp55xx_platform_data *pdata;
+ struct device_node *np = client->dev.of_node;
+
+ if (!client->dev.platform_data) {
+ if (np) {
+ ret = lp55xx_of_populate_pdata(&client->dev, np);
+ if (ret < 0)
+ return ret;
+ } else {
+ dev_err(&client->dev, "no platform data\n");
+ return -EINVAL;
+ }
}
+ pdata = client->dev.platform_data;
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
@@ -485,9 +494,18 @@ static const struct i2c_device_id lp5521_id[] = {
};
MODULE_DEVICE_TABLE(i2c, lp5521_id);
+#ifdef CONFIG_OF
+static const struct of_device_id of_lp5521_leds_match[] = {
+ { .compatible = "national,lp5521", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_lp5521_leds_match);
+#endif
static struct i2c_driver lp5521_driver = {
.driver = {
.name = "lp5521",
+ .of_match_table = of_match_ptr(of_lp5521_leds_match),
},
.probe = lp5521_probe,
.remove = lp5521_remove,