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arm64: dts: qcom: msm8998-xperia: Add RMI4 touchscreen support

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All of the devices in the Sony Yoshino platform are using a Synaptics
RMI4-compatible touch IC with identical pins and supplies: enable the
I2C-5 bus and add the rmi4-i2c node along with the required pin
configurations.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210909123733.367248-2-angelogioacchino.delregno@somainline.org
This commit is contained in:
AngeloGioacchino Del Regno
2021-09-09 14:37:28 +02:00
committed by Bjorn Andersson
parent 390883af89
commit ebe0932e4f
1 changed files with 60 additions and 0 deletions
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60
arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
View File

@@ -30,6 +30,15 @@ board_vbat: vbat-regulator {
regulator-boot-on;
};
touch_vddio_vreg: touch-vddio-vreg {
compatible = "regulator-fixed";
regulator-name = "touch_vddio_vreg";
startup-delay-us = <10000>;
gpio = <&tlmm 133 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&ts_vddio_en>;
};
vph_pwr: vph-pwr-regulator {
compatible = "regulator-fixed";
regulator-name = "vph_pwr";
@@ -130,6 +139,42 @@ ramoops@ffc00000 {
};
};
&blsp1_i2c5 {
status = "okay";
clock-frequency = <355000>;
touchscreen@2c {
compatible = "syna,rmi4-i2c";
reg = <0x2c>;
#address-cells = <1>;
#size-cells = <0>;
interrupts-extended = <&tlmm 125 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&ts_int_n>;
vdd-supply = <&vreg_l28_3p0>;
vio-supply = <&touch_vddio_vreg>;
syna,reset-delay-ms = <220>;
syna,startup-delay-ms = <1000>;
rmi4-f01@1 {
reg = <0x01>;
syna,nosleep-mode = <1>;
};
rmi4-f11@11 {
reg = <0x11>;
syna,sensor-type = <1>;
};
};
};
&blsp1_i2c5_sleep {
bias-disable;
};
&blsp2_uart1 {
status = "okay";
};
@@ -442,6 +487,21 @@ hall_sensor0_default: acc-cover-open {
drive-strength = <2>;
input-enable;
};
ts_int_n: ts-int-n {
pins = "gpio125";
function = "gpio";
drive-strength = <8>;
bias-pull-up;
};
ts_vddio_en: ts-vddio-en-default {
pins = "gpio133";
function = "gpio";
bias-disable;
drive-strength = <2>;
output-low;
};
};
/*