ARM: mach-shmobile: Use DT_MACHINE for mackerel

Use DT_MACHINE_START() on the sh7372 based mackerel board.

Also include a tiny DTS file to describe the board and update the
Kconfig dependencies to select CONFIG_USE_OF.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

arch/arm/boot/dts/Makefile

@@ -75,7 +75,8 @@ dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
 dtb-$(CONFIG_ARCH_U8500) += snowball.dtb
 dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \
 	r8a7740-armadillo800eva.dtb \
-	sh73a0-kzm9g.dtb
+	sh73a0-kzm9g.dtb \
+	sh7372-mackerel.dtb
 dtb-$(CONFIG_ARCH_SPEAR13XX) += spear1310-evb.dtb \
 	spear1340-evb.dtb
 dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \

arch/arm/boot/dts/sh7372-mackerel.dts

+/*
+ * Device Tree Source for the mackerel board
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "Mackerel (AP4 EVM 2nd)";
+	compatible = "renesas,mackerel";
+
+	memory {
+		device_type = "memory";
+		reg = <0x40000000 0x10000000>;
+	};
+};

arch/arm/mach-shmobile/Kconfig

@@ -95,6 +95,7 @@ config MACH_MACKEREL
 	select ARCH_REQUIRE_GPIOLIB
 	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 	select SND_SOC_AK4642 if SND_SIMPLE_CARD
+	select USE_OF
 
 config MACH_KOTA2
 	bool "KOTA2 board"

arch/arm/mach-shmobile/board-mackerel.c

@@ -1651,7 +1651,12 @@ static void __init mackerel_init(void)
 	pm_clk_add(&hdmi_lcdc_device.dev, "hdmi");
 }
 
-MACHINE_START(MACKEREL, "mackerel")
+static const char *mackerel_boards_compat_dt[] __initdata = {
+	"renesas,mackerel",
+	NULL,
+};
+
+DT_MACHINE_START(MACKEREL_DT, "mackerel")
 	.map_io		= sh7372_map_io,
 	.init_early	= sh7372_add_early_devices,
 	.init_irq	= sh7372_init_irq,
@@ -1659,4 +1664,5 @@ MACHINE_START(MACKEREL, "mackerel")
 	.init_machine	= mackerel_init,
 	.init_late	= sh7372_pm_init_late,
 	.timer		= &shmobile_timer,
+	.dt_compat  = mackerel_boards_compat_dt,
 MACHINE_END