reset: uniphier: add reset controller driver for UniPhier SoCs

This is the initial commit for UniPhier reset controller driver.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 4be1b8c..7dfe8d8 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -27,6 +27,16 @@
 	  you wish to use the reset framework for such memory-mapped devices,
 	  say Y here. Otherwise, say N.
 
+config RESET_UNIPHIER
+	tristate "Reset controller driver for UniPhier SoCs"
+	depends on ARCH_UNIPHIER || COMPILE_TEST
+	depends on OF && MFD_SYSCON
+	default ARCH_UNIPHIER
+	help
+	  Support for reset controllers on UniPhier SoCs.
+	  Say Y if you want to control reset signals provided by System Control
+	  block, Media I/O block, Peripheral Block.
+
 source "drivers/reset/sti/Kconfig"
 source "drivers/reset/hisilicon/Kconfig"