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>

2 files changed, 8 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 8ae100cc655c..0750d9c7f00d 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/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"
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 0c27c810cf99..39b8f2e70638 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/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