ARM: mxs/mx28evk: add auart devices

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 3c5ce09b870..55bf075add9 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -29,6 +29,7 @@ config MACH_MX28EVK
         bool "Support MX28EVK Platform"
         select SOC_IMX28
         select MXS_HAVE_AMBA_DUART
+        select MXS_HAVE_PLATFORM_AUART
         select MXS_HAVE_PLATFORM_FEC
         select MXS_OCOTP
         default y
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index e8db99fabc4..1f0b708138f 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -38,6 +38,25 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
         MX28_PAD_PWM1__DUART_TX |
                 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
 
+        /* auart0 */
+        MX28_PAD_AUART0_RX__AUART0_RX |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART0_TX__AUART0_TX |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART0_CTS__AUART0_CTS |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART0_RTS__AUART0_RTS |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* auart3 */
+        MX28_PAD_AUART3_RX__AUART3_RX |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART3_TX__AUART3_TX |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART3_CTS__AUART3_CTS |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_AUART3_RTS__AUART3_RTS |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
         /* fec0 */
         MX28_PAD_ENET0_MDC__ENET0_MDC |
                 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
@@ -164,6 +183,8 @@ static void __init mx28evk_init(void)
         mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
 
         mx28_add_duart();
+        mx28_add_auart0();
+        mx28_add_auart3();
 
         if (mx28evk_fec_get_mac())
                 pr_warn("%s: failed on fec mac setup\n", __func__);