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charset="utf-8" GPIO L.2 is used as the PCIe WAKE# signal on Tegra234 platforms. Add the PMC wake event mapping so the GPIO interrupt can be armed as a system wake source. Signed-off-by: Manikanta Maddireddy --- drivers/soc/tegra/pmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 41ed716d5857..0ed0a928a7b2 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -4421,6 +4421,7 @@ static const char * const tegra234_reset_sources[] = =3D { }; =20 static const struct tegra_wake_event tegra234_wake_events[] =3D { + TEGRA_WAKE_GPIO("pcie-wake", 1, 0, TEGRA234_MAIN_GPIO(L, 2)), TEGRA_WAKE_GPIO("sd-wake", 8, 0, TEGRA234_MAIN_GPIO(G, 7)), TEGRA_WAKE_GPIO("eqos", 20, 0, TEGRA234_MAIN_GPIO(G, 4)), TEGRA_WAKE_IRQ("pmu", 24, 209), --=20 2.34.1 From nobody Fri Sep 25 23:50:55 2026 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010031.outbound.protection.outlook.com [52.101.46.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A331481674; Mon, 7 Sep 2026 11:32:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" The C8 PCIe controller on the P3768 carrier has WAKE# wired to main GPIO L.2. Describe the signal on the root port so PCIe devices can use it as a wake source, enabling wake-on-LAN support. Signed-off-by: Manikanta Maddireddy --- .../boot/dts/nvidia/tegra234-p3768-0000+p3767.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767.dtsi b/ar= ch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767.dtsi index 41821354bbda..2af32613b16c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767.dtsi @@ -163,6 +163,16 @@ pcie@140a0000 { =20 vddio-pex-ctl-supply =3D <&vdd_1v8_ao>; vpcie3v3-supply =3D <&vdd_3v3_pcie>; + + pci@0,0 { + reg =3D <0x0000 0 0 0 0>; + device_type =3D "pci"; + #address-cells =3D <3>; + #size-cells =3D <2>; + ranges; + + wake-gpios =3D <&gpio TEGRA234_MAIN_GPIO(L, 2) GPIO_ACTIVE_LOW>; + }; }; =20 /* C1 - M.2 Key-E */ --=20 2.34.1