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authorFugang Duan <b38611@freescale.com>2015-10-26 14:07:55 +0800
committerNitin Garg <nitin.garg@nxp.com>2016-01-14 11:02:03 -0600
commite6bd4673d7df83cd8a1fc678ba71fc0132788d9f (patch)
tree813d251de67b8565a26d6c7267f784ca0ee3d418
parent4b28d1a6cbe5342511ec98d9f04e510cd3c0b3bc (diff)
MLK-11758 dts: mx6ul evk: set regulator wlreg_on always on
Murata adapter VDDIO is derived from sd slot VMMC supply, if usdhc cannot detect sd/sdio card, VMMC is shutdown that causes VDDIO has no voltage, and bt cannot work. So BT depends on VDDIO/VMMC. Now the workaround is set wlreg_on alwasys on, usdhc can detect wifi card and supply VMMC 3.3V voltage, so that Murata adapter VDDIO has power supply. Signed-off-by: Fugang Duan <B38611@freescale.com> (cherry picked from commit f17b5e5be37875e05794621eacf386ec25adf223)
-rw-r--r--arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
index 51e8bbd58335..1f3f8d581287 100644
--- a/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
+++ b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
@@ -21,6 +21,7 @@
regulator-name = "wlreg_on";
gpio = <&gpio5 1 0>;
startup-delay-us = <100>;
+ regulator-always-on;
enable-active-high;
};
};