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[PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

From srinivas.kandagatla@linaro.org
Newsgroups linux.kernel
Subject [PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion
Date 2017-08-14 13:40 +0200
Message-ID <uelSX-3Ag-41@gated-at.bofh.it> (permalink)
References <uelSW-3Ag-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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

1.8v regulator on LS expansion should be left as always to comply
with 96boards spec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@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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[PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie srinivas.kandagatla@linaro.org - 2017-08-14 13:40 +0200
  [PATCH 2/3] arm64: dts: apq8096-db820c: Enable on board 3 pcie root complex srinivas.kandagatla@linaro.org - 2017-08-14 13:40 +0200
  [PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion srinivas.kandagatla@linaro.org - 2017-08-14 13:40 +0200

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