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Subject[PATCH V2] ARM: dts: imx6sll-evk: make pfuze100 sw4 always on
Date
On i.MX6SLL EVK board, PFuze100's SW4 is supplying
LPDDR3, it needs to be always on. This patch fixes
Linux kernel boot up hang caused by commit
(5fe156f regulator: pfuze100: add enable/disable for switch),
because SW4 is turned off unexpectedly:

[ 1.693613] cfg80211: failed to load regulatory.db
[ 1.700063] SW4: disabling
[ 1.703973] SWBST: disabling

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
changes since V1:
improve commit message by adding info of which commit introduces this issue.
arch/arm/boot/dts/imx6sll-evk.dts | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts
index 4684ac4..2217c40 100644
--- a/arch/arm/boot/dts/imx6sll-evk.dts
+++ b/arch/arm/boot/dts/imx6sll-evk.dts
@@ -142,6 +142,7 @@
sw4_reg: sw4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
+ regulator-always-on;
};

swbst_reg: swbst {
--
2.7.4
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