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>

3 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/hrefprev60.dts b/arch/arm/boot/dts/hrefprev60.dts
index e112cce33795..cd9e53584847 100644
--- a/arch/arm/boot/dts/hrefprev60.dts
+++ b/arch/arm/boot/dts/hrefprev60.dts
@@ -31,5 +31,11 @@
                                 reg = <0x33>;
                         };
                 };
+
+                i2c@80110000 {
+                        bu21013_tp@0x5c {
+                                reset-gpio = <&tc3589x_gpio 13 0x4>;
+                        };
+                };
         };
 };
diff --git a/arch/arm/boot/dts/hrefv60plus.dts b/arch/arm/boot/dts/hrefv60plus.dts
index b5fc355d4ffb..82103a22c600 100644
--- a/arch/arm/boot/dts/hrefv60plus.dts
+++ b/arch/arm/boot/dts/hrefv60plus.dts
@@ -23,4 +23,12 @@
                         gpios = <&gpio6 25 0x4>;
                 };
         };
+
+        soc-u9500 {
+                i2c@80110000 {
+                        bu21013_tp@0x5c {
+                                reset-gpio = <&gpio4 15 0x4>;
+                        };
+                };
+        };
 };
diff --git a/arch/arm/boot/dts/stuib.dtsi b/arch/arm/boot/dts/stuib.dtsi
index 64ac327649f3..62f3ecd336f8 100644
--- a/arch/arm/boot/dts/stuib.dtsi
+++ b/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;
+                        };
+                };
         };
 };