From: Rudraksha Gupta <guptarud@xxxxxxxxx>
Add mXT224S touchscreen
Signed-off-by: Rudraksha Gupta <guptarud@xxxxxxxxx>
---
.../dts/qcom/qcom-msm8960-samsung-expressatt.dts | 31 +++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
index 47e0e26ad9f0..af6cc6393d74 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
@@ -85,6 +85,27 @@ &gsbi1_spi {
status = "okay";
};
+&gsbi3 {
+ qcom,mode = <GSBI_PROT_I2C>;
+ status = "okay";
+};
+
+&gsbi3_i2c {
+ status = "okay";
+
+ // Atmel mXT224S touchscreen
+ touchscreen@4a {
+ compatible = "atmel,maxtouch";
+ reg = <0x4a>;
+ interrupt-parent = <&msmgpio>;
+ interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
+ vdda-supply = <&pm8921_lvs6>;
+ vdd-supply = <&pm8921_l17>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&touchscreen>;
+ };
+};
+
&msmgpio {
spi1_default: spi1-default-state {
mosi-pins {
@@ -123,6 +144,14 @@ gpio_keys_pin_a: gpio-keys-active-state {
drive-strength = <8>;
bias-disable;
};
+
+ touchscreen: touchscreen-int-state {
+ pins = "gpio11";
+ function = "gpio";
+ output-enable;
+ bias-disable;
+ drive-strength = <2>;
+ };
};
&pm8921 {
@@ -285,7 +314,7 @@ pm8921_l16: l16 {
};
pm8921_l17: l17 {
- regulator-min-microvolt = <1800000>;
+ regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
bias-pull-down;
};
--
2.43.0
