[RESEND,3/3] arm64: dts: apq8096-db820c: never disable regulator on LS expansion

Message ID 20170814113757.31010-3-srinivas.kandagatla@linaro.org
State New
Headers show
Series
  • Untitled series #3322
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Commit Message

Srinivas Kandagatla Aug. 14, 2017, 11:37 a.m.
From: Srinivas Kandagatla <srinivas.kandagatla@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.kandagatla@linaro.org>

---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

-- 
2.11.0

Patch

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>;