ARM: hisilicon: hikey: Enable OF_CONTROL for hikey board.

Currently only the serial pl01x driver is using DT,
and the other drivers still use platform data but
as more DT lands in the upstream kernel the aim is
to migrate the other drivers over to DT as well to
have a fully DT configured hikey u-boot.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/Kconfig

@@ -668,6 +668,7 @@ config TARGET_HIKEY
 	select DM
 	select DM_GPIO
 	select DM_SERIAL
+	select OF_CONTROL
 	  help
 	  Support for HiKey 96boards platform. It features a HI6220
 	  SoC, with 8xA53 CPU, mali450 gpu, and 1GB RAM.

arch/arm/dts/Makefile

@@ -11,6 +11,8 @@ dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \
 	exynos4412-trats2.dtb \
 	exynos4412-odroid.dtb
 
+dtb-$(CONFIG_TARGET_HIKEY) += hi6220-hikey.dtb
+
 dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
 	exynos5250-snow.dtb \
 	exynos5250-spring.dtb \

board/hisilicon/hikey/hikey.c

@@ -71,6 +71,8 @@ U_BOOT_DEVICES(hi6220_gpios) = {
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+
 static const struct pl01x_serial_platdata serial_platdata = {
 #if CONFIG_CONS_INDEX == 1
 	.base = HI6220_UART0_BASE,
@@ -87,6 +89,7 @@ U_BOOT_DEVICE(hikey_seriala) = {
 	.name = "serial_pl01x",
 	.platdata = &serial_platdata,
 };
+#endif
 
 static struct mm_region hikey_mem_map[] = {
 	{

configs/hikey_defconfig

@@ -14,3 +14,4 @@ CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_LIBFDT=y
+CONFIG_DEFAULT_DEVICE_TREE="hi6220-hikey"