arm64: dts: qcom: msm8916-samsung-a3u: add nodes for touchscreen

This patch wires up touchscreen support on Samsung Galaxy A3 2015.

Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Link: https://lore.kernel.org/r/20201115195058.27097-1-michael.srba@seznam.cz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
index 086f07ead5cbdef57f798712c8fda359330a326e..661f41ad978bf8cffc589f4857988635e8da03b3 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
@@ -28,6 +28,27 @@
                       "0", "0", "1";
 };
 
+&blsp_i2c5 {
+       status = "okay";
+
+       touchscreen@20 {
+               compatible = "zinitix,bt541";
+
+               reg = <0x20>;
+               interrupt-parent = <&msmgpio>;
+               interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+
+               touchscreen-size-x = <540>;
+               touchscreen-size-y = <960>;
+
+               vdd-supply = <&reg_vdd_tsp>;
+               vddo-supply = <&pm8916_l6>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&ts_int_default>;
+       };
+};
+
 &dsi0 {
        panel@0 {
                reg = <0>;
@@ -59,4 +80,12 @@
                drive-strength = <2>;
                bias-disable;
        };
+
+       ts_int_default: ts-int-default {
+               pins = "gpio13";
+               function = "gpio";
+
+               drive-strength = <2>;
+               bias-disable;
+       };
 };