ARM: mach-shmobile: Use DT_MACHINE for KZM9G

Use DT_MACHINE_START() on the sh73a0 based KZM9G board.

Also include a tiny DTS file to describe the board and
update the Kconfig dependencies to select CONFIG_USE_OF.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2 files changed, 8 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index c39413a86a6f..2ed39959d7d8 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -102,6 +102,7 @@ config MACH_KZM9G
         bool "KZM-A9-GT board"
         depends on ARCH_SH73A0
         select ARCH_REQUIRE_GPIOLIB
+        select USE_OF
 
 comment "SH-Mobile System Configuration"
 
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index 78e9850967eb..d8e33b682832 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -443,7 +443,12 @@ static void __init kzm_init(void)
         platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
 }
 
-MACHINE_START(KZM9G, "kzm9g")
+static const char *kzm9g_boards_compat_dt[] __initdata = {
+        "renesas,kzm9g",
+        NULL,
+};
+
+DT_MACHINE_START(KZM9G_DT, "kzm9g")
         .map_io         = sh73a0_map_io,
         .init_early     = sh73a0_add_early_devices,
         .nr_irqs        = NR_IRQS_LEGACY,
@@ -451,4 +456,5 @@ MACHINE_START(KZM9G, "kzm9g")
         .handle_irq     = gic_handle_irq,
         .init_machine   = kzm_init,
         .timer          = &shmobile_timer,
+        .dt_compat      = kzm9g_boards_compat_dt,
 MACHINE_END