diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
index acfa92b15329..f6152c0cc5ff 100644
--- a/drivers/reset/reset-imx8mp-audiomix.c
+++ b/drivers/reset/reset-imx8mp-audiomix.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/regmap.h>
 #include <linux/reset-controller.h>
 
 #define IMX8MP_AUDIOMIX_EARC_RESET_OFFSET	0x200
@@ -43,8 +44,7 @@ static const struct imx8mp_reset_map reset_map[] = {
 
 struct imx8mp_audiomix_reset {
 	struct reset_controller_dev rcdev;
-	spinlock_t lock; /* protect register read-modify-write cycle */
-	void __iomem *base;
+	struct regmap *regmap;
 };
 
 static struct imx8mp_audiomix_reset *to_imx8mp_audiomix_reset(struct reset_controller_dev *rcdev)
@@ -56,26 +56,14 @@ static int imx8mp_audiomix_update(struct reset_controller_dev *rcdev,
 				  unsigned long id, bool assert)
 {
 	struct imx8mp_audiomix_reset *priv = to_imx8mp_audiomix_reset(rcdev);
-	void __iomem *reg_addr = priv->base;
-	unsigned int mask, offset, active_low;
-	unsigned long reg, flags;
+	unsigned int mask, offset, active_low, val;
 
 	mask = reset_map[id].mask;
 	offset = reset_map[id].offset;
 	active_low = reset_map[id].active_low;
+	val = (active_low ^ assert) ? mask : ~mask;
 
-	spin_lock_irqsave(&priv->lock, flags);
-
-	reg = readl(reg_addr + offset);
-	if (active_low ^ assert)
-		reg |= mask;
-	else
-		reg &= ~mask;
-	writel(reg, reg_addr + offset);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return 0;
+	return regmap_update_bits(priv->regmap, offset, mask, val);
 }
 
 static int imx8mp_audiomix_reset_assert(struct reset_controller_dev *rcdev,
@@ -95,6 +83,52 @@ static const struct reset_control_ops imx8mp_audiomix_reset_ops = {
 	.deassert = imx8mp_audiomix_reset_deassert,
 };
 
+static const struct regmap_config regmap_config = {
+	.reg_bits = 32,
+	.val_bits = 32,
+	.reg_stride = 4,
+};
+
+/* assumption: registered only if not using parent regmap */
+static void imx8mp_audiomix_reset_iounmap(void *data)
+{
+	void __iomem *base = (void __iomem *)data;
+
+	iounmap(base);
+}
+
+static int imx8mp_audiomix_reset_get_regmap(struct imx8mp_audiomix_reset *priv)
+{
+	void __iomem *base;
+	struct device *dev;
+	int ret;
+
+	dev = priv->rcdev.dev;
+
+	/* try to use the parent's regmap */
+	priv->regmap = dev_get_regmap(dev->parent, NULL);
+	if (priv->regmap)
+		return 0;
+
+	/* ... if that's not possible then initialize the regmap right now */
+	base = of_iomap(dev->parent->of_node, 0);
+	if (!base)
+		return dev_err_probe(dev, -ENOMEM, "failed to iomap address space\n");
+
+	ret = devm_add_action_or_reset(dev,
+				       imx8mp_audiomix_reset_iounmap,
+				       (void __force *)base);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to register action\n");
+
+	priv->regmap = devm_regmap_init_mmio(dev, base, &regmap_config);
+	if (IS_ERR(priv->regmap))
+		return dev_err_probe(dev, PTR_ERR(priv->regmap),
+				     "failed to initialize regmap\n");
+
+	return 0;
+}
+
 static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev,
 				       const struct auxiliary_device_id *id)
 {
@@ -106,36 +140,25 @@ static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev,
 	if (!priv)
 		return -ENOMEM;
 
-	spin_lock_init(&priv->lock);
-
 	priv->rcdev.owner     = THIS_MODULE;
 	priv->rcdev.nr_resets = ARRAY_SIZE(reset_map);
 	priv->rcdev.ops       = &imx8mp_audiomix_reset_ops;
 	priv->rcdev.of_node   = dev->parent->of_node;
 	priv->rcdev.dev	      = dev;
 	priv->rcdev.of_reset_n_cells = 1;
-	priv->base            = of_iomap(dev->parent->of_node, 0);
-	if (!priv->base)
-		return -ENOMEM;
 
 	dev_set_drvdata(dev, priv);
 
+	ret = imx8mp_audiomix_reset_get_regmap(priv);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to get regmap\n");
+
 	ret = devm_reset_controller_register(dev, &priv->rcdev);
 	if (ret)
-		goto out_unmap;
+		return dev_err_probe(dev, ret,
+				     "failed to register reset controller\n");
 
 	return 0;
-
-out_unmap:
-	iounmap(priv->base);
-	return ret;
-}
-
-static void imx8mp_audiomix_reset_remove(struct auxiliary_device *adev)
-{
-	struct imx8mp_audiomix_reset *priv = dev_get_drvdata(&adev->dev);
-
-	iounmap(priv->base);
 }
 
 static const struct auxiliary_device_id imx8mp_audiomix_reset_ids[] = {
@@ -148,7 +171,6 @@ MODULE_DEVICE_TABLE(auxiliary, imx8mp_audiomix_reset_ids);
 
 static struct auxiliary_driver imx8mp_audiomix_reset_driver = {
 	.probe		= imx8mp_audiomix_reset_probe,
-	.remove		= imx8mp_audiomix_reset_remove,
 	.id_table	= imx8mp_audiomix_reset_ids,
 };