diff --git a/arch/arm64/boot/dts/freescale/fsl-lx216x.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx216x.dtsi
index d4522a19405a..d9d4500a4051 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx216x.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx216x.dtsi
@@ -1687,12 +1687,19 @@
 			};
 
 			/* RCWSR14 */
+			/*
+			 * IIC1_PMUX is a single bit at RCWSR14[10], but bit-per-mux
+			 * uses the mask for the field to clear before applying the
+			 * value.
+			 * So bits 11 and 12, which are reserved, are written as 0
+			 * on every mux switch, it is harmless.
+			 */
 			i2c0_pins: iic1-i2c-pins {
-				pinctrl-single,bits = <0x8 0x0 (0x1 << 10)>;
+				pinctrl-single,bits = <0x8 0x0 (0x7 << 10)>;
 			};
 
 			gpio0_3_2_pins: iic1-gpio-pins {
-				pinctrl-single,bits = <0x8 (0x1 << 10) (0x1 << 10)>;
+				pinctrl-single,bits = <0x8 (0x1 << 10) (0x7 << 10)>;
 			};
 		};