diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
index 7c584db..24f61b4 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
@@ -763,7 +763,8 @@
 		       &power_regs->hw_power_5vctrl_set);
 	}
 
-	mxs_power_enable_4p2();
+	if (CONFIG_IS_ENABLED(MXS_PMU_ENABLE_4P2_LINEAR_REGULATOR))
+		mxs_power_enable_4p2();
 }
 
 /**
diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig
index f5e45ae..5cffc26 100644
--- a/arch/arm/mach-imx/mxs/Kconfig
+++ b/arch/arm/mach-imx/mxs/Kconfig
@@ -63,6 +63,13 @@
 	bool "Disable Battery Charging in MX28 PMU"
 	default n
 
+config SPL_MXS_PMU_ENABLE_4P2_LINEAR_REGULATOR
+	bool "Enable the 4P2 linear regulator in MX28 PMU"
+	default y
+	help
+	  This option enables the 4P2 linear regulator (derived
+	  from VDD5V) - so the VDD4P2 power source is operational.
+
 source "board/freescale/mx28evk/Kconfig"
 source "board/liebherr/xea/Kconfig"