diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 65bf34e..3a4c3b3 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -5,6 +5,7 @@
 	default y
 	select MXC_TZIC
 	select ARCH_MXC_IOMUX_V3
+	select ARCH_MXC_AUDMUX_V2
 
 comment "MX5 platforms:"
 
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
index f9e7cdb..6292049 100644
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ b/arch/arm/plat-mxc/audmux-v2.c
@@ -186,7 +186,13 @@
 static int mxc_audmux_v2_init(void)
 {
 	int ret;
-
+#if defined(CONFIG_ARCH_MX5)
+	if (cpu_is_mx51()) {
+		audmux_base = MX51_IO_ADDRESS(MX51_AUDMUX_BASE_ADDR);
+		ret = 0;
+		return ret;
+	}
+#endif
 #if defined(CONFIG_ARCH_MX3)
 	if (cpu_is_mx31())
 		audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);