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Date: Mon, 14 Aug 2017 13:37:57 +0200
From: srinivas.kandagatla@...aro.org
To: Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org
Cc: linux-soc@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [RESEND PATCH 3/3] arm64: dts: apq8096-db820c: never disable regulator on LS expansion
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.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.kandagatla@...aro.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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