pinctrl-tz1090: add TZ1090 pinctrl driver

Add a pin control driver for the main pins on the TZ1090 SoC. This
doesn't include the low-power pins as they're controlled separately via
the Powerdown Controller (PDC) registers.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index e01976f..acdaa08 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -212,6 +212,12 @@
 	bool
 	select PINCTRL_TEGRA
 
+config PINCTRL_TZ1090
+	bool "Toumaz Xenif TZ1090 pin control driver"
+	depends on SOC_TZ1090
+	select PINMUX
+	select GENERIC_PINCONF
+
 config PINCTRL_U300
 	bool "U300 pin controller driver"
 	depends on ARCH_U300