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Diffstat (limited to 'arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts')
-rw-r--r--arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts71
1 files changed, 70 insertions, 1 deletions
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 1a5116336f..af6cc6393d 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
@@ -4,6 +4,9 @@
#include "qcom-msm8960.dtsi"
#include "pm8921.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
/ {
model = "Samsung Galaxy Express SGH-I437";
@@ -19,6 +22,36 @@
chosen {
stdout-path = "serial0:115200n8";
};
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_pin_a>;
+
+ key-home {
+ label = "Home";
+ gpios = <&msmgpio 40 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_HOMEPAGE>;
+ wakeup-event-action = <EV_ACT_ASSERTED>;
+ wakeup-source;
+ };
+
+ key-volume-up {
+ label = "Volume Up";
+ gpios = <&msmgpio 50 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ key-volume-down {
+ label = "Volume Down";
+ gpios = <&msmgpio 81 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+ };
};
&gsbi5 {
@@ -52,6 +85,27 @@
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 {
@@ -83,6 +137,21 @@
bias-disable;
};
};
+
+ gpio_keys_pin_a: gpio-keys-active-state {
+ pins = "gpio40", "gpio50", "gpio81";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ touchscreen: touchscreen-int-state {
+ pins = "gpio11";
+ function = "gpio";
+ output-enable;
+ bias-disable;
+ drive-strength = <2>;
+ };
};
&pm8921 {
@@ -245,7 +314,7 @@
};
pm8921_l17: l17 {
- regulator-min-microvolt = <1800000>;
+ regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
bias-pull-down;
};