[PATCH] arm64: dts: qcom: sdm845-db845c: Move LVS regulator nodes up

From: Amit Pundir
Date: Fri Jun 02 2023 - 12:14:21 EST


Move lvs1 and lvs2 regulator nodes up in the rpmh-regulators
list to workaround a boot regression uncovered by the upstream
commit ad44ac082fdf ("regulator: qcom-rpmh: Revert "regulator:
qcom-rpmh: Use PROBE_FORCE_SYNCHRONOUS"").

Without this fix DB845c fail to boot at times because one of the
lvs1 or lvs2 regulators fail to turn ON in time.

Link: https://lore.kernel.org/all/CAMi1Hd1avQDcDQf137m2auz2znov4XL8YGrLZsw5edb-NtRJRw@xxxxxxxxxxxxxx/
Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 24 +++++++++++-----------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index e14fe9bbb386..df2fde9063dc 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -301,6 +301,18 @@ regulators-0 {
vdd-l26-supply = <&vreg_s3a_1p35>;
vin-lvs-1-2-supply = <&vreg_s4a_1p8>;

+ vreg_lvs1a_1p8: lvs1 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vreg_lvs2a_1p8: lvs2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
vreg_s3a_1p35: smps3 {
regulator-min-microvolt = <1352000>;
regulator-max-microvolt = <1352000>;
@@ -381,18 +393,6 @@ vreg_l26a_1p2: ldo26 {
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
-
- vreg_lvs1a_1p8: lvs1 {
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- regulator-always-on;
- };
-
- vreg_lvs2a_1p8: lvs2 {
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- regulator-always-on;
- };
};

regulators-1 {
--
2.25.1