ARM: shmobile: lager: Initialize pinmux

Initialize r8a7790 pinmuxing and register mappings for the two debug
serial ports.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f587187a8603..6114edd0a977 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -21,15 +21,30 @@
 #include <linux/interrupt.h>
 #include <linux/irqchip.h>
 #include <linux/kernel.h>
+#include <linux/pinctrl/machine.h>
 #include <linux/platform_device.h>
 #include <mach/common.h>
 #include <mach/r8a7790.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+static const struct pinctrl_map lager_pinctrl_map[] = {
+        /* SCIF0 (CN19: DEBUG SERIAL0) */
+        PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
+                                  "scif0_data", "scif0"),
+        /* SCIF1 (CN20: DEBUG SERIAL1) */
+        PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790",
+                                  "scif1_data", "scif1"),
+};
+
 static void __init lager_add_standard_devices(void)
 {
         r8a7790_clock_init();
+
+        pinctrl_register_mappings(lager_pinctrl_map,
+                                  ARRAY_SIZE(lager_pinctrl_map));
+        r8a7790_pinmux_init();
+
         r8a7790_add_standard_devices();
 }