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ARM: dts: qcom: msm8974-hammerhead: add touchscreen support

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Add support for the Synaptics RMI4 touchscreen that is found on the
Nexus 5.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Jonathan Marek
2019-06-02 21:04:54 -04:00
committed by Bjorn Andersson
parent 15061c3edd
commit 48100d10c9
1 changed files with 64 additions and 0 deletions
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64
arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
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@@ -280,6 +280,16 @@ mux {
};
};
i2c2_pins: i2c2 {
mux {
pins = "gpio6", "gpio7";
function = "blsp_i2c2";
drive-strength = <2>;
bias-disable;
};
};
i2c3_pins: i2c3 {
mux {
pins = "gpio10", "gpio11";
@@ -306,6 +316,25 @@ irq {
input-enable;
};
};
touch_pin: touch {
int {
pins = "gpio5";
function = "gpio";
drive-strength = <2>;
bias-disable;
input-enable;
};
reset {
pins = "gpio8";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
};
};
sdhci@f9824900 {
@@ -424,6 +453,41 @@ charger: bq24192@6b {
};
};
i2c@f9924000 {
status = "ok";
clock-frequency = <355000>;
qcom,src-freq = <50000000>;
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
synaptics@70 {
compatible = "syna,rmi4-i2c";
reg = <0x70>;
interrupts-extended = <&msmgpio 5 IRQ_TYPE_EDGE_FALLING>;
vdd-supply = <&pm8941_l22>;
vio-supply = <&pm8941_lvs3>;
pinctrl-names = "default";
pinctrl-0 = <&touch_pin>;
#address-cells = <1>;
#size-cells = <0>;
rmi4-f01@1 {
reg = <0x1>;
syna,nosleep-mode = <1>;
};
rmi4-f12@12 {
reg = <0x12>;
syna,sensor-type = <1>;
};
};
};
i2c@f9925000 {
status = "ok";
pinctrl-names = "default";