pinctrl: Add pinctrl support for BM1880 SoC

Add pinctrl support for Bitmain BM1880 SoC. The driver only handles
pinmuxing as the SoC is not capable of handling pinconf.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/Kconfig

@@ -108,6 +108,13 @@ config PINCTRL_AMD
 	  Requires ACPI/FDT device enumeration code to set up a platform
 	  device.
 
+config PINCTRL_BM1880
+	bool "Bitmain BM1880 Pinctrl driver"
+	depends on ARCH_BITMAIN
+	select PINMUX
+	help
+	  Pinctrl driver for Bitmain BM1880 SoC.
+
 config PINCTRL_DA850_PUPD
 	tristate "TI DA850/OMAP-L138/AM18XX pullup/pulldown groups"
 	depends on OF && (ARCH_DAVINCI_DA850 || COMPILE_TEST)

drivers/pinctrl/Makefile

@@ -14,6 +14,7 @@ obj-$(CONFIG_PINCTRL_AXP209)	+= pinctrl-axp209.o
 obj-$(CONFIG_PINCTRL_AT91)	+= pinctrl-at91.o
 obj-$(CONFIG_PINCTRL_AT91PIO4)	+= pinctrl-at91-pio4.o
 obj-$(CONFIG_PINCTRL_AMD)	+= pinctrl-amd.o
+obj-$(CONFIG_PINCTRL_BM1880)	+= pinctrl-bm1880.o
 obj-$(CONFIG_PINCTRL_DA850_PUPD) += pinctrl-da850-pupd.o
 obj-$(CONFIG_PINCTRL_DIGICOLOR)	+= pinctrl-digicolor.o
 obj-$(CONFIG_PINCTRL_FALCON)	+= pinctrl-falcon.o