diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 127dc2e2e6903bfc92c2a1abad12a720c7f26626..ce9c64cadebacb81198a0e485d1abbd6e5700b6f 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -14,7 +14,6 @@
 
 #include <linux/delay.h>
 #include <linux/gpio.h>
-#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of_gpio.h>
@@ -1286,19 +1285,23 @@ static int rk808_regulator_dt_parse_pdata(struct device *dev,
 static int rk808_regulator_probe(struct platform_device *pdev)
 {
 	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
-	struct i2c_client *client = rk808->i2c;
 	struct regulator_config config = {};
 	struct regulator_dev *rk808_rdev;
 	struct rk808_regulator_data *pdata;
 	const struct regulator_desc *regulators;
+	struct regmap *regmap;
 	int ret, i, nregulators;
 
+	regmap = dev_get_regmap(pdev->dev.parent, NULL);
+	if (!regmap)
+		return -ENODEV;
+
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 
-	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
-					     rk808->regmap, pdata);
+	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, pdev->dev.parent,
+					     regmap, pdata);
 	if (ret < 0)
 		return ret;
 
@@ -1326,21 +1329,22 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 		nregulators = RK818_NUM_REGULATORS;
 		break;
 	default:
-		dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
+		dev_err(&pdev->dev, "unsupported RK8XX ID %lu\n",
 			rk808->variant);
 		return -EINVAL;
 	}
 
-	config.dev = &client->dev;
+	config.dev = &pdev->dev;
+	config.dev->of_node = pdev->dev.parent->of_node;
 	config.driver_data = pdata;
-	config.regmap = rk808->regmap;
+	config.regmap = regmap;
 
 	/* Instantiate the regulators */
 	for (i = 0; i < nregulators; i++) {
 		rk808_rdev = devm_regulator_register(&pdev->dev,
 						     &regulators[i], &config);
 		if (IS_ERR(rk808_rdev)) {
-			dev_err(&client->dev,
+			dev_err(&pdev->dev,
 				"failed to register %d regulator\n", i);
 			return PTR_ERR(rk808_rdev);
 		}