SPEAr3xx: Add pinctrl support for boards

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/arch/arm/boot/dts/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi
index 9a0267a..5372ca3 100644
--- a/arch/arm/boot/dts/spear320.dtsi
+++ b/arch/arm/boot/dts/spear320.dtsi
@@ -18,9 +18,14 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "simple-bus";
-		ranges = <0x40000000 0x40000000 0x70000000
+		ranges = <0x40000000 0x40000000 0x80000000
 			  0xd0000000 0xd0000000 0x30000000>;
 
+		pinmux@b3000000 {
+			compatible = "st,spear320-pinmux";
+			reg = <0xb3000000 0x1000>;
+		};
+
 		clcd@90000000 {
 			compatible = "arm,clcd-pl110", "arm,primecell";
 			reg = <0x90000000 0x1000>;