ARM: ux500: Add all bu21013 touch screen components to supported Device Trees

It is possible to connect a BU21013 Touch Screen to all version
of the HREF which support the ST-UIB. This patch applies all the
necessary settings to the pre-v60 and v60+ HREF Device Trees.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

arch/arm/boot/dts/hrefprev60.dts

@@ -31,5 +31,11 @@ tps61052@33 {
 				reg = <0x33>;
 			};
 		};
+
+		i2c@80110000 {
+			bu21013_tp@0x5c {
+				reset-gpio = <&tc3589x_gpio 13 0x4>;
+			};
+		};
 	};
 };

arch/arm/boot/dts/hrefv60plus.dts

@@ -23,4 +23,12 @@ button@1 {
 			gpios = <&gpio6 25 0x4>;
 		};
 	};
+
+	soc-u9500 {
+		i2c@80110000 {
+			bu21013_tp@0x5c {
+				reset-gpio = <&gpio4 15 0x4>;
+			};
+		};
+	};
 };

arch/arm/boot/dts/stuib.dtsi

@@ -11,5 +11,28 @@
 
 / {
 	soc-u9500 {
+		i2c@80110000 {
+			bu21013_tp@0x5c {
+				compatible = "rhom,bu21013_tp";
+				reg = <0x5c>;
+				touch-gpio = <&gpio2 20 0x4>;
+				avdd-supply = <&ab8500_ldo_aux1_reg>;
+
+				rhom,touch-max-x = <384>;
+				rhom,touch-max-y = <704>;
+				rhom,flip-y;
+			};
+
+			bu21013_tp@0x5d {
+				compatible = "rhom,bu21013_tp";
+				reg = <0x5d>;
+				touch-gpio = <&gpio2 20 0x4>;
+				avdd-supply = <&ab8500_ldo_aux1_reg>;
+
+				rhom,touch-max-x = <384>;
+				rhom,touch-max-y = <704>;
+				rhom,flip-y;
+			};
+		};
 	};
 };