ARM: dts: imx6sx-sdb-reva: make pfuze100 sw4 always on

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@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6sx-sdb-reva.dts b/arch/arm/boot/dts/imx6sx-sdb-reva.dts
index e3533e74ccc84bbaa0dbf82aae7d9f5c408102dc..9cc6ff206aeab2fde22bfde47818550bc8806ee6 100644 (file)
--- 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 {