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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDEzOSBTYWx0ZWRfX/kHVjJJ1LRdm LIBgpYySr5l+BLC5dX9Ddg0XAxsEGbUHWqipK+vvYokUE63TB+MHjebVXCSafT4R3Xy4HkK45Pm lIRg8xOyvX7TTtnugEsSXMl9GC8D1OWmzHDAc79t4vAkoZ09GMeUFUdVU49L3uvaN6Tf7Mt/auA tyhRzwxTKdgAFEVuE8WAYjW3pO5OxuL0ZC7EDkURanqRLiRx/JgT1wAwCEsoI0HKZfIhbl9dJi1 bpgkmze4Kmbcj5c0So2RcFgR7kheae3d9WI8qNcEPZBUMT43mAPXcXzD/aoaNU5LJa8pRDxxFBd hHNKHKovvEOkxa3rcnYzVjY4fnJoQYB97bb2sx1CYVO9Ra4gVk5ZMogVkUzHlaMEzq/Xn3EYwUC OPPtxc2qkMUOp9vWU2v4YG7GazslistoAczj1shnENyHIyijUPfVFszA3q9IoNcixBjsKNEqAnu kkt7OV2324JPHl0Uw1A== X-Proofpoint-GUID: 7iEEUGO3HdFBkDaUkgBdlgFMUtA7Vc3y X-Authority-Analysis: v=2.4 cv=D8N37PRj c=1 sm=1 tr=0 ts=6a9845b4 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=Wad5cFZijfJPr_ZhbakA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: 7iEEUGO3HdFBkDaUkgBdlgFMUtA7Vc3y X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDEzOSBTYWx0ZWRfX8sB/dlxyfo3r yC9XZkf8C0g8DwzCL550Cfvn4W4N1Orl0qNcva2uPpMqJeLXKhe6IBj+dKSyblWl0OFsfOZHJ6k rvIa3oHCgy7l4D5yWPw1d/uPXjtwqB4= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-02_04,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 spamscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 impostorscore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020139 On 9/1/26 10:07 AM, Abel Vesa wrote: > GPIO 65 from TLMM is used by the embedded controller as its reset line. > > On some devices, toggling the embedded controller reset line makes the > device not power up at all, unless the battery is unplugged. > > So reserve it in order to prevent Linux from requesting or > reconfiguring it. > > Fixes: 09d77be56093 ("arm64: dts: qcom: Add support for X1-based Surface Laptop 7 devices") > Signed-off-by: Abel Vesa > --- > arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > index 13d0f09e0c2a..bc684c295b89 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > @@ -1324,6 +1324,7 @@ wcd_tx: codec@0,3 { > > &tlmm { > gpio-reserved-ranges = <44 4>, /* SPI (TPM) */ > + <65 1>, /* EC reset */ > <238 1>; /* UFS Reset */ On this device, GPIO_65 is an enable pin for the touchpad regulator (or something else that is a pre-requisite of the touchpad working) Konrad