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arm64: dts: qcom: qrb4210-rb2: make L9A always-on

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BugLink: https://bugs.launchpad.net/bugs/2083196

[ Upstream commit d6c6b85bf5582bbe2efefa9a083178b5f7eef439 ]

The L9A regulator is used to further control voltage regulators on the
board. It can be used to disable VBAT_mains, 1.8V, 3.3V, 5V rails). Make
sure that is stays always on to prevent undervolting of these volage
rails.

Fixes: 8d58a8c0d9 ("arm64: dts: qcom: Add base qrb4210-rb2 board dts")
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240605-rb2-l9a-aon-v2-1-0d493d0d107c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Dmitry Baryshkov
2024-06-05 12:00:49 +03:00
committed by Mehmet Basaran
parent 658b480170
commit 44fad4554a
1 changed files with 2 additions and 0 deletions
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arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+2
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@@ -372,6 +372,8 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-allow-set-load;
regulator-always-on;
regulator-boot-on;
};
vreg_l10a_1p8: l10 {