pinctrl: sunxi: Add GR8 controller support

Just like the other member of the sunxi family, let's add a pinctrl table
for the muxing options.
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt

@@ -23,6 +23,7 @@ Required properties:
   "allwinner,sun8i-h3-pinctrl"
   "allwinner,sun8i-h3-r-pinctrl"
   "allwinner,sun50i-a64-pinctrl"
+  "nextthing,gr8-pinctrl"
 
 - reg: Should contain the register physical address and length for the
   pin controller.

drivers/pinctrl/sunxi/Kconfig

@@ -17,6 +17,10 @@ config PINCTRL_SUN5I_A13
 	def_bool MACH_SUN5I
 	select PINCTRL_SUNXI
 
+config PINCTRL_GR8
+	def_bool MACH_SUN5I
+	select PINCTRL_SUNXI_COMMON
+
 config PINCTRL_SUN6I_A31
 	def_bool MACH_SUN6I
 	select PINCTRL_SUNXI

drivers/pinctrl/sunxi/Makefile

@@ -5,6 +5,7 @@ obj-y					+= pinctrl-sunxi.o
 obj-$(CONFIG_PINCTRL_SUN4I_A10)		+= pinctrl-sun4i-a10.o
 obj-$(CONFIG_PINCTRL_SUN5I_A10S)	+= pinctrl-sun5i-a10s.o
 obj-$(CONFIG_PINCTRL_SUN5I_A13)		+= pinctrl-sun5i-a13.o
+obj-$(CONFIG_PINCTRL_GR8)		+= pinctrl-gr8.o
 obj-$(CONFIG_PINCTRL_SUN6I_A31)		+= pinctrl-sun6i-a31.o
 obj-$(CONFIG_PINCTRL_SUN6I_A31S)	+= pinctrl-sun6i-a31s.o
 obj-$(CONFIG_PINCTRL_SUN6I_A31_R)	+= pinctrl-sun6i-a31-r.o