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arm64: dts: qcom: x1e78100-t14s: Enable fingerprint reader

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On Lenovo ThinkPad T14s, the fingerprint reader placed in the power
button is connected via the usb_2 controller. The controller has only
a USB 2.0 PHY which is then connected via a NXP PTN3222 eUSB2 repeater,
which in turn is connected to the Goodix fingerprint reader.

So enable all the usb_2 controller and PHY nodes, set dual-role mode to
host and describe the eUSB2 repeater in order to get the fingerprint
reader discovered.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250107-x1e80100-t14-enable-fingerprint-sensor-v1-1-8fd911d39ad1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Abel Vesa
2025-01-07 15:35:07 +02:00
committed by Bjorn Andersson
parent d7cfd75ba0
commit 5b451930fd
1 changed files with 39 additions and 0 deletions
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39
arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
View File

@@ -612,6 +612,20 @@ &i2c5 {
status = "okay";
eusb5_repeater: redriver@43 {
compatible = "nxp,ptn3222";
reg = <0x43>;
#phy-cells = <0>;
vdd3v3-supply = <&vreg_l13b_3p0>;
vdd1v8-supply = <&vreg_l4b_1p8>;
reset-gpios = <&tlmm 7 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&eusb5_reset_n>;
pinctrl-names = "default";
};
eusb3_repeater: redriver@47 {
compatible = "nxp,ptn3222";
reg = <0x47>;
@@ -884,6 +898,14 @@ eusb3_reset_n: eusb3-reset-n-state {
output-low;
};
eusb5_reset_n: eusb5-reset-n-state {
pins = "gpio7";
function = "gpio";
drive-strength = <2>;
bias-disable;
output-low;
};
eusb6_reset_n: eusb6-reset-n-state {
pins = "gpio184";
function = "gpio";
@@ -1050,6 +1072,23 @@ &usb_1_ss1_qmpphy_out {
remote-endpoint = <&pmic_glink_ss1_ss_in>;
};
&usb_2 {
status = "okay";
};
&usb_2_dwc3 {
dr_mode = "host";
};
&usb_2_hsphy {
vdd-supply = <&vreg_l2e_0p8>;
vdda12-supply = <&vreg_l3e_1p2>;
phys = <&eusb5_repeater>;
status = "okay";
};
&usb_mp {
status = "okay";
};