arm64: dts: apq8096-db820c: never disable regulator on LS expansion

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.kandagatla@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 18c61693529e64104bcfb9d4bba7fd46f8e9940d..0c10bbe5531731b1af902743b90b5b147817037c 100644 (file)
--- 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>;