ARM: shmobile: kzm9g-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/sh73a0-kzm9g-reference.dts

@@ -145,19 +145,70 @@
 	};
 };
 
+&i2c3 {
+	pinctrl-0 = <&i2c3_pins>;
+	pinctrl-names = "default";
+};
+
 &mmcif {
+	pinctrl-0 = <&mmcif_pins>;
+	pinctrl-names = "default";
+
 	bus-width = <8>;
 	vmmc-supply = <&reg_1p8v>;
 	status = "okay";
 };
 
+&pfc {
+	pinctrl-0 = <&scifa4_pins>;
+	pinctrl-names = "default";
+
+	i2c3_pins: i2c3 {
+		renesas,groups = "i2c3_1";
+		renesas,function = "i2c3";
+	};
+
+	mmcif_pins: mmcif {
+		mux {
+			renesas,groups = "mmc0_data8_0", "mmc0_ctrl_0";
+			renesas,function = "mmc0";
+		};
+		cfg {
+			renesas,groups = "mmc0_data8_0";
+			renesas,pins = "PORT279";
+			bias-pull-up;
+		};
+	};
+
+	scifa4_pins: scifa4 {
+		renesas,groups = "scifa4_data", "scifa4_ctrl";
+		renesas,function = "scifa4";
+	};
+
+	sdhi0_pins: sdhi0 {
+		renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_cd", "sdhi0_wp";
+		renesas,function = "sdhi0";
+	};
+
+	sdhi2_pins: sdhi2 {
+		renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
+		renesas,function = "sdhi2";
+	};
+};
+
 &sdhi0 {
+	pinctrl-0 = <&sdhi0_pins>;
+	pinctrl-names = "default";
+
 	vmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
 	status = "okay";
 };
 
 &sdhi2 {
+	pinctrl-0 = <&sdhi2_pins>;
+	pinctrl-names = "default";
+
 	vmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
 	broken-cd;

arch/arm/mach-shmobile/board-kzm9g-reference.c

@@ -27,55 +27,15 @@
 #include <linux/irqchip.h>
 #include <linux/input.h>
 #include <linux/of_platform.h>
-#include <linux/pinctrl/machine.h>
-#include <linux/pinctrl/pinconf-generic.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
-static unsigned long pin_pullup_conf[] = {
-	PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 0),
-};
-
-static const struct pinctrl_map kzm_pinctrl_map[] = {
-	PIN_MAP_MUX_GROUP_DEFAULT("e6826000.i2c", "e6050000.pfc",
-				  "i2c3_1", "i2c3"),
-	/* MMCIF */
-	PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "e6050000.pfc",
-				  "mmc0_data8_0", "mmc0"),
-	PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "e6050000.pfc",
-				  "mmc0_ctrl_0", "mmc0"),
-	PIN_MAP_CONFIGS_PIN_DEFAULT("e6bd0000.mmcif", "e6050000.pfc",
-				    "PORT279", pin_pullup_conf),
-	PIN_MAP_CONFIGS_GROUP_DEFAULT("e6bd0000.mmcif", "e6050000.pfc",
-				      "mmc0_data8_0", pin_pullup_conf),
-	/* SCIFA4 */
-	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "e6050000.pfc",
-				  "scifa4_data", "scifa4"),
-	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "e6050000.pfc",
-				  "scifa4_ctrl", "scifa4"),
-	/* SDHI0 */
-	PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "e6050000.pfc",
-				  "sdhi0_data4", "sdhi0"),
-	PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "e6050000.pfc",
-				  "sdhi0_ctrl", "sdhi0"),
-	PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "e6050000.pfc",
-				  "sdhi0_cd", "sdhi0"),
-	PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "e6050000.pfc",
-				  "sdhi0_wp", "sdhi0"),
-	/* SDHI2 */
-	PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "e6050000.pfc",
-				  "sdhi2_data4", "sdhi2"),
-	PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "e6050000.pfc",
-				  "sdhi2_ctrl", "sdhi2"),
-};
-
 static void __init kzm_init(void)
 {
 	sh73a0_add_standard_devices_dt();
-	pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map));
 
 	/* enable SD */
 	gpio_request_one(15, GPIOF_OUT_INIT_HIGH, NULL); /* power */