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>

diff --git a/arch/arm/boot/dts/hrefprev60.dts b/arch/arm/boot/dts/hrefprev60.dts
index e112cce..cd9e535 100644 (file)
--- 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 b5fc355..82103a2 100644 (file)
--- 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 64ac327..62f3ecd 100644 (file)
--- 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;
+                       };
+               };
        };
 };