arm64: dts: qcom: x1e80100-t14s: add EC

Describe ThinkPad Embedded Controller in the T14s device tree,
which adds LED and special key support.

Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Thinkpad T14S OLED
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Link: https://patch.msgid.link/20250918-thinkpad-t14s-ec-v5-3-ac0bc6382c5c@collabora.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Sebastian Reichel 2025-09-18 23:20:28 +02:00 committed by Ilpo Järvinen
parent 60b7ab6ce0
commit a90a8ea288
No known key found for this signature in database
GPG Key ID: 59AC4F6153E5CE31

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@ -887,6 +887,24 @@ eusb6_repeater: redriver@4f {
};
};
&i2c6 {
clock-frequency = <400000>;
status = "okay";
embedded-controller@28 {
compatible = "lenovo,thinkpad-t14s-ec";
reg = <0x28>;
interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_LOW>;
pinctrl-0 = <&ec_int_n_default>;
pinctrl-names = "default";
wakeup-source;
};
};
&i2c7 {
clock-frequency = <400000>;
@ -1267,6 +1285,12 @@ &tlmm {
<72 2>, /* Secure EC I2C connection (?) */
<238 1>; /* UFS Reset */
ec_int_n_default: ec-int-n-state {
pins = "gpio66";
function = "gpio";
bias-disable;
};
eusb3_reset_n: eusb3-reset-n-state {
pins = "gpio6";
function = "gpio";