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a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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: 8d58a8c0d930 ("arm64: dts: qcom: Add base qrb4210-rb2 board dts") Reviewed-by: Bryan O'Donoghue Signed-off-by: Dmitry Baryshkov --- Changes in v2: - Expand commit message to mention the affected voltage rails (Bryan) - Link to v1: https://lore.kernel.org/r/20240603-rb2-l9a-aon-v1-1-81c35a0de43d@linaro.org --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts index 2c39bb1b97db..e0c14d23b909 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -403,6 +403,8 @@ vreg_l9a_1p8: l9 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-allow-set-load; + regulator-always-on; + regulator-boot-on; }; vreg_l10a_1p8: l10 { --- base-commit: 0e1980c40b6edfa68b6acf926bab22448a6e40c9 change-id: 20240603-rb2-l9a-aon-d1292bad5aaa Best regards, -- Dmitry Baryshkov