* [PATCH] arm64: dts: qcom: x1e80100-romulus: Keep L12B and L15B always on
@ 2025-03-04 17:10 Konrad Dybcio
2025-03-05 8:31 ` Johan Hovold
0 siblings, 1 reply; 2+ messages in thread
From: Konrad Dybcio @ 2025-03-04 17:10 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley
Cc: Marijn Suijten, Konrad Dybcio, linux-arm-msm, devicetree,
linux-kernel, Konrad Dybcio, Johan Hovold
From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
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: 09d77be56093 ("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>
---
arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
index 5867953c73564ca7ae1279b73f6834aa1d732792..6a883fafe3c77a45e045beba8357d67caa88dabf 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
@@ -510,6 +510,7 @@ vreg_l12b: ldo12 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-always-on;
};
vreg_l13b: ldo13 {
@@ -531,6 +532,7 @@ vreg_l15b: ldo15 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-always-on;
};
vreg_l16b: ldo16 {
---
base-commit: 20d5c66e1810e6e8805ec0d01373afb2dba9f51a
change-id: 20250304-topic-sl7_vregs_aon-1201ee52ce83
Best regards,
--
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: qcom: x1e80100-romulus: Keep L12B and L15B always on
2025-03-04 17:10 [PATCH] arm64: dts: qcom: x1e80100-romulus: Keep L12B and L15B always on Konrad Dybcio
@ 2025-03-05 8:31 ` Johan Hovold
0 siblings, 0 replies; 2+ messages in thread
From: Johan Hovold @ 2025-03-05 8:31 UTC (permalink / raw)
To: Konrad Dybcio
Cc: Bjorn Andersson, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
Marijn Suijten, Konrad Dybcio, linux-arm-msm, devicetree,
linux-kernel, Konrad Dybcio, Johan Hovold
On Tue, Mar 04, 2025 at 06:10:46PM +0100, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>
> 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: 09d77be56093 ("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>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-03-04 17:10 [PATCH] arm64: dts: qcom: x1e80100-romulus: Keep L12B and L15B always on Konrad Dybcio
2025-03-05 8:31 ` Johan Hovold
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