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arm64: dts: qcom: msm8994-kitakami: Add Synaptics RMI touchscreen 

All Kitakami phones use Synaptics RMI4 touchscreens
attached to the same i2c bus. Configure and enable it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210118162432.107275-6-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Konrad Dybcio 2021-01-18 17:24:26 +01:00 committed by Bjorn Andersson
parent 676b61b479
commit e8528157b7
2 changed files with 46 additions and 1 deletions
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2
arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami-karin.dts
View File

@ -41,3 +41,5 @@
};
/delete-node/ &pm8994_l32;
/* Z4 tablets use a different touchscreen. */
/delete-node/ &touchscreen;

45
arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
View File

@ -147,7 +147,34 @@
&blsp_i2c6 {
status = "okay";
/* Synaptics touchscreen */
touchscreen: rmi4-i2c-dev@2c {
compatible = "syna,rmi4-i2c";
reg = <0x2c>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <&tlmm>;
interrupts = <42 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&ts_int_active &ts_reset_active>;
vdd-supply = <&pm8994_l22>;
vio-supply = <&pm8994_s4>;
syna,reset-delay-ms = <220>;
syna,startup-delay-ms = <220>;
rmi4-f01@1 {
reg = <0x01>;
syna,nosleep-mode = <1>;
};
rmi4-f11@11 {
reg = <0x11>;
syna,sensor-type = <1>;
};
};
};
&blsp1_uart2 {
@ -433,3 +460,19 @@
* vqmmc-supply = <&pm8994_s4>;
*/
};
&tlmm {
ts_int_active: ts-int-active {
pins = "gpio42";
drive-strength = <2>;
bias-disable;
input-enable;
};
ts_reset_active: ts-reset-active {
pins = "gpio109";
drive-strength = <2>;
bias-disable;
output-low;
};
};