On i.MX6SX SDB Rev-A board, pfuze100 sw4 supplies csi, audio codec and i2c etc., these modules do NOT implement power domain control, so pfuze100 sw4 needs to be always on to make sure these modules work normally. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> --- arch/arm/boot/dts/imx6sx-sdb-reva.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6sx-sdb-reva.dts b/arch/arm/boot/dts/imx6sx-sdb-reva.dts index e3533e7..9cc6ff2 100644 --- a/arch/arm/boot/dts/imx6sx-sdb-reva.dts +++ b/arch/arm/boot/dts/imx6sx-sdb-reva.dts @@ -63,6 +63,7 @@ sw4_reg: sw4 { regulator-min-microvolt = <800000>; regulator-max-microvolt = <3300000>; + regulator-always-on; }; swbst_reg: swbst { -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html