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 <bryan.odonoghue@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
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@xxxxxxxxxx
---
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 <dmitry.baryshkov@xxxxxxxxxx>
