diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index ed1aaa19854fd..2f88eae8a55a1 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -533,6 +533,11 @@ static bool max310x_reg_precious(struct device *dev, unsigned int reg)
 	return false;
 }
 
+static bool max310x_reg_noinc(struct device *dev, unsigned int reg)
+{
+	return reg == MAX310X_RHR_REG;
+}
+
 static int max310x_set_baud(struct uart_port *port, int baud)
 {
 	unsigned int mode = 0, div = 0, frac = 0, c = 0, F = 0;
@@ -667,14 +672,14 @@ static void max310x_batch_write(struct uart_port *port, u8 *txbuf, unsigned int
 {
 	struct max310x_one *one = to_max310x_port(port);
 
-	regmap_raw_write(one->regmap, MAX310X_THR_REG, txbuf, len);
+	regmap_noinc_write(one->regmap, MAX310X_THR_REG, txbuf, len);
 }
 
 static void max310x_batch_read(struct uart_port *port, u8 *rxbuf, unsigned int len)
 {
 	struct max310x_one *one = to_max310x_port(port);
 
-	regmap_raw_read(one->regmap, MAX310X_RHR_REG, rxbuf, len);
+	regmap_noinc_read(one->regmap, MAX310X_RHR_REG, rxbuf, len);
 }
 
 static void max310x_handle_rx(struct uart_port *port, unsigned int rxlen)
@@ -1508,6 +1513,10 @@ static struct regmap_config regcfg = {
 	.writeable_reg = max310x_reg_writeable,
 	.volatile_reg = max310x_reg_volatile,
 	.precious_reg = max310x_reg_precious,
+	.writeable_noinc_reg = max310x_reg_noinc,
+	.readable_noinc_reg = max310x_reg_noinc,
+	.max_raw_read = MAX310X_FIFO_SIZE,
+	.max_raw_write = MAX310X_FIFO_SIZE,
 };
 
 #ifdef CONFIG_SPI_MASTER
@@ -1593,6 +1602,10 @@ static struct regmap_config regcfg_i2c = {
 	.volatile_reg = max310x_reg_volatile,
 	.precious_reg = max310x_reg_precious,
 	.max_register = MAX310X_I2C_REVID_EXTREG,
+	.writeable_noinc_reg = max310x_reg_noinc,
+	.readable_noinc_reg = max310x_reg_noinc,
+	.max_raw_read = MAX310X_FIFO_SIZE,
+	.max_raw_write = MAX310X_FIFO_SIZE,
 };
 
 static const struct max310x_if_cfg max310x_i2c_if_cfg = {