ARM: shmobile: armadillo-reference: Move pinctrl mappings to device tree

Replace the pinctrl mappings in board code by device tree mappings.
For devices that are still instantiated from board code reference the
mappings as the default pin controller state to apply them at boot time.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts

@@ -43,3 +43,13 @@ touchscreen: st1232@55 {
 		interrupts = <2 0>; /* IRQ10: hwirq 2 on irqpin1 */
 	};
 };
+
+&pfc {
+	pinctrl-0 = <&scifa1_pins>;
+	pinctrl-names = "default";
+
+	scifa1_pins: scifa1 {
+		renesas,groups = "scifa1_data";
+		renesas,function = "scifa1";
+	};
+};

arch/arm/mach-shmobile/board-armadillo800eva-reference.c

@@ -24,7 +24,6 @@
 #include <linux/kernel.h>
 #include <linux/gpio.h>
 #include <linux/io.h>
-#include <linux/pinctrl/machine.h>
 #include <mach/common.h>
 #include <mach/r8a7740.h>
 #include <asm/mach/arch.h>
@@ -119,12 +118,6 @@
  *	usbhsf_power_ctrl()
  */
 
-static const struct pinctrl_map eva_pinctrl_map[] = {
-	/* SCIFA1 */
-	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "e6050000.pfc",
-				  "scifa1_data", "scifa1"),
-};
-
 static void __init eva_clock_init(void)
 {
 	struct clk *system	= clk_get(NULL, "system_clk");
@@ -169,8 +162,6 @@ static void __init eva_init(void)
 	r8a7740_clock_init(MD_CK0 | MD_CK2);
 	eva_clock_init();
 
-	pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
-
 	r8a7740_meram_workaround();
 
 #ifdef CONFIG_CACHE_L2X0