[PATCH 3/9] arm64: dts: qcom: x1e78100-t14s: Mark the EC reset gpio as reserved
From: Abel Vesa
Date: Mon Aug 31 2026 - 06:47:27 EST
GPIO 65 from TLMM is used by the embedded controller as its reset line.
Reserve it to prevent Linux from requesting or reconfiguring it.
Fixes: 7d1cbe2f4985 ("arm64: dts: qcom: Add X1E78100 ThinkPad T14s Gen 6")
Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
index 0bee2a3d6e7a..8f7b01617461 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -1385,6 +1385,7 @@ wcd_tx: codec@0,3 {
&tlmm {
gpio-reserved-ranges = <34 2>, /* Unused */
<44 4>, /* SPI (TPM) */
+ <65 1>, /* EC reset */
<72 2>, /* Secure EC I2C connection (?) */
<238 1>; /* UFS Reset */
--
2.54.0