From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Mon, 14 Aug 2017 11:37:57 +0000 (+0200)
Subject: arm64: dts: apq8096-db820c: never disable regulator on LS expansion
X-Git-Tag: v4.15-rc1~75^2~38^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=82fa28788d2f144bc7ae08b95a306c84787a125b;p=thirdparty%2Flinux.git

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 18c61693529e6..0c10bbe553173 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>;