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arm64: dts: qcom: milos-fairphone-fp6: Add downstream touchscreen

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Add a node for the SPI-connected touchscreen, and its pinctrl.

WIP: Downstream touchscreen driver and bindings

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
This commit is contained in:
Luca Weiss 2025-06-23 14:21:50 +02:00
commit 39c588bb5b
1 changed files with 53 additions and 1 deletions
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54
arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
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@ -975,7 +975,45 @@
};
&spi0 {
/* Eswin EPH8621 touchscreen @ 0 */
status = "okay";
touchscreen@0 {
compatible = "eswin,eph861x";
reg = <0>;
pinctrl-0 = <&ts_active>;
pinctrl-1 = <&ts_suspend>;
pinctrl-names = "ts_active", "ts_suspend";
avdd-supply = <&vreg_l22b>;
iovdd-supply = <&vreg_l9b>;
interrupt-parent = <&tlmm>;
spi-max-frequency = <2000000>;
bits-per-word = <8>;
spi-cpol;
spi-cpha;
eswin,spi-mode = <3>;
eswin,regulator_dvdd = "iovdd";
eswin,regulator_avdd = "avdd";
eswin,power-delay-ms = <200>;
eswin,irq-gpio = <&tlmm 19 GPIO_ACTIVE_HIGH>;
eswin,irq-on-state = <0x00>;
eswin,reset-gpio = <&tlmm 20 GPIO_ACTIVE_HIGH>;
eswin,reset-on-state = <0>;
eswin,reset-active-ms = <20>;
eswin,reset-delay-ms = <200>;
eswin,spi-byte-delay-us = <10>;
eswin,spi-block-delay-us = <10>;
eswin,suspend-mode = <2>;
eswin,fw_name = "EPH86XX_fw.bin";
eswin,input_name = "ESWIN EPH86XX Touchscreen";
eswin,panel-invert-x = <1>;
eswin,panel-invert-y = <0>;
eswin,panel-max-x = <1116>;
eswin,panel-max-y = <2484>;
};
};
&tlmm {
@ -983,6 +1021,20 @@
<13 1>, /* NC */
<63 2>; /* WLAN UART */
ts_active: ts-irq-active-state {
pins = "gpio19";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
ts_suspend: ts-irq-suspend-state {
pins = "gpio19";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
qup_uart11_sleep_cts: qup-uart11-sleep-cts-state {
pins = "gpio48";
function = "gpio";