From: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>

1.8v regulator on LS expansion should not be disabled anytime to comply
with 96boards spec. So make this explicit with always-on flag.

Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi 
b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 18c61693529e..0c10bbe55317 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -189,9 +189,15 @@
                                        regulator-min-microvolt = <1300000>;
                                        regulator-max-microvolt = <1300000>;
                                };
+
+                               /**
+                                * 1.8v required on LS expansion
+                                * for mezzanine boards
+                                */
                                s4 {
                                        regulator-min-microvolt = <1800000>;
                                        regulator-max-microvolt = <1800000>;
+                                       regulator-always-on;
                                };
                                s5 {
                                        regulator-min-microvolt = <2150000>;
-- 
2.11.0

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