staging: mt7621-pinctrl: ralink: add pinctrl driver

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/Kconfig

@@ -118,4 +118,6 @@ source "drivers/staging/vboxvideo/Kconfig"
 
 source "drivers/staging/pi433/Kconfig"
 
+source "drivers/staging/mt7621-pinctrl/Kconfig"
+
 endif # STAGING

drivers/staging/Makefile

@@ -50,3 +50,4 @@ obj-$(CONFIG_BCM2835_VCHIQ)	+= vc04_services/
 obj-$(CONFIG_DRM_VBOXVIDEO)	+= vboxvideo/
 obj-$(CONFIG_PI433)		+= pi433/
 obj-$(CONFIG_SOC_MT7621)	+= mt7621-pci/
+obj-$(CONFIG_SOC_MT7621)	+= mt7621-pinctrl/

drivers/staging/mt7621-pinctrl/Kconfig

+config PINCTRL_RT2880
+	bool "RT2800 pinctrl driver for RALINK/Mediatek SOCs"
+	depends on RALINK
+	select PINMUX

drivers/staging/mt7621-pinctrl/Makefile

+obj-$(CONFIG_PINCTRL_RT2880)   += pinctrl-rt2880.o
+
+ccflags-y += -I$(srctree)/drivers/pinctrl

drivers/staging/mt7621-pinctrl/TODO

+
+- general code review and cleanup
+- should probably be always selected by 'config RALINK'
+- ensure device-tree requirements are documented
+
+Cc: NeilBrown <neil@brown.name>