ARM: mx51: Add audmux support

Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx5/Kconfig

@@ -5,6 +5,7 @@ config ARCH_MX51
 	default y
 	select MXC_TZIC
 	select ARCH_MXC_IOMUX_V3
+	select ARCH_MXC_AUDMUX_V2
 
 comment "MX5 platforms:"
 

arch/arm/plat-mxc/audmux-v2.c

@@ -186,7 +186,13 @@ EXPORT_SYMBOL_GPL(mxc_audmux_v2_configure_port);
 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);