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arm64: dts: qcom: x1e80100-romulus: Keep L12B and L15B always on

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[ Upstream commit 0783c8b3c06b9cf16b5108d558e2faffb8c533b7 ]

These regulators power some electronic components onboard. They're
most likely kept online by other pieces of firmware, but you can never
be sure enough.

Fixes: 09d77be560 ("arm64: dts: qcom: Add support for X1-based Surface Laptop 7 devices")
Reported-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250304-topic-sl7_vregs_aon-v1-1-b2dc706e4157@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konrad Dybcio
2025-03-04 18:10:46 +01:00
committed by Greg Kroah-Hartman
parent 5c721b58d3
commit bdf8915dad
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
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@@ -267,6 +267,7 @@
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
regulator-always-on;
};
vreg_l13b: ldo13 {
@@ -288,6 +289,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
regulator-always-on;
};
vreg_l16b: ldo16 {