diff --git a/arch/arm/boot/dts/renesas/r8a7790-lager.dts b/arch/arm/boot/dts/renesas/r8a7790-lager.dts
index 39084c76b8355d46..2567f5d297227ca9 100644
--- a/arch/arm/boot/dts/renesas/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/renesas/r8a7790-lager.dts
@@ -303,7 +303,7 @@ gpioi2c2: i2c-9 {
 	 *
 	 * IIC0/I2C0 does not appear to support fallback to GPIO.
 	 */
-	i2cexio0: i2c-10 {
+	i2cexio0: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic0>, <&i2c0>;
 		i2c-bus-name = "i2c-exio0";
@@ -316,7 +316,7 @@ i2cexio0: i2c-10 {
 	 * This is similar to the arangement described for i2cexio0 (above)
 	 * with a fallback to GPIO also provided.
 	 */
-	i2cexio1: i2c-11 {
+	i2cexio1: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic1>, <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-exio1";
@@ -328,7 +328,7 @@ i2cexio1: i2c-11 {
 	 * IIC2 and I2C2 may be switched using pinmux.
 	 * A fallback to GPIO is also provided.
 	 */
-	i2chdmi: i2c-12 {
+	i2chdmi: i2c-mux3 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic2>, <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -417,7 +417,7 @@ adv7612_out: endpoint {
 	 * IIC3 and I2C3 may be switched using pinmux.
 	 * IIC3/I2C3 does not appear to support fallback to GPIO.
 	 */
-	i2cpwr: i2c-13 {
+	i2cpwr: i2c-mux4 {
 		compatible = "i2c-demux-pinctrl";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pmic_irq_pins>;
diff --git a/arch/arm/boot/dts/renesas/r8a7791-koelsch.dts b/arch/arm/boot/dts/renesas/r8a7791-koelsch.dts
index d53fbdeacd332f5f..857d44571f9b9507 100644
--- a/arch/arm/boot/dts/renesas/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/renesas/r8a7791-koelsch.dts
@@ -337,7 +337,7 @@ gpioi2c4: i2c-11 {
 	 * I2C1 is routed to EXIO connector B, pins 64 (SCL) + 66 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio1: i2c-12 {
+	i2cexio1: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-exio1";
@@ -348,7 +348,7 @@ i2cexio1: i2c-12 {
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-13 {
+	i2chdmi: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -443,7 +443,7 @@ eeprom@50 {
 	 * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-14 {
+	i2cexio4: i2c-mux3 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
diff --git a/arch/arm/boot/dts/renesas/r8a7791-porter.dts b/arch/arm/boot/dts/renesas/r8a7791-porter.dts
index a3cb5fbfb282b929..950b7a22dee5743e 100644
--- a/arch/arm/boot/dts/renesas/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/renesas/r8a7791-porter.dts
@@ -148,7 +148,7 @@ gpioi2c2: i2c-9 {
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-10 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
diff --git a/arch/arm/boot/dts/renesas/r8a7793-gose.dts b/arch/arm/boot/dts/renesas/r8a7793-gose.dts
index 84794358157eac29..af7a8019b4b127f3 100644
--- a/arch/arm/boot/dts/renesas/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/renesas/r8a7793-gose.dts
@@ -321,7 +321,7 @@ gpioi2c4: i2c-10 {
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-11 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -427,7 +427,7 @@ eeprom@50 {
 	 * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-12 {
+	i2cexio4: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
diff --git a/arch/arm/boot/dts/renesas/r8a7794-alt.dts b/arch/arm/boot/dts/renesas/r8a7794-alt.dts
index 2d60bcc2f2e7878e..7fcb58cae4b481e0 100644
--- a/arch/arm/boot/dts/renesas/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/renesas/r8a7794-alt.dts
@@ -192,7 +192,7 @@ gpioi2c4: i2c-10 {
 	/*
 	 * A fallback to GPIO is provided for I2C1.
 	 */
-	i2chdmi: i2c-11 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-hdmi";
@@ -222,7 +222,7 @@ eeprom@50 {
 	 * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-14 {
+	i2cexio4: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
diff --git a/arch/arm/boot/dts/renesas/r8a7794-silk.dts b/arch/arm/boot/dts/renesas/r8a7794-silk.dts
index 3ba96e7c7a1dd85a..e1110f24f97bdf94 100644
--- a/arch/arm/boot/dts/renesas/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/renesas/r8a7794-silk.dts
@@ -225,7 +225,7 @@ gpioi2c1: i2c-9 {
 	/*
 	 * A fallback to GPIO is provided for I2C1.
 	 */
-	i2chdmi: i2c-10 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-hdmi";
