From: Philipp Zabel Date: Mon, 23 Feb 2015 17:40:15 +0000 (+0100) Subject: ARM: dts: imx6qdl: Allow disabling the PU regulator, add a enable ramp delay X-Git-Tag: firefly_0821_release~176^2~1891^2~2^2~22 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;ds=sidebyside;h=40130d327f7206c76838cf8efd180d960e4ce454;p=firefly-linux-kernel-4.4.55.git ARM: dts: imx6qdl: Allow disabling the PU regulator, add a enable ramp delay The PU regulator is enabled during boot, but not necessarily always-on. It can be disabled by the generic pm domain framework when the PU power domain is shut down. The ramp delay of 150 us might be a bit conservative, the value is taken from the Freescale kernel. Signed-off-by: Philipp Zabel Signed-off-by: Shawn Guo --- diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 76f4997d86fc..82dd0051865a 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -600,7 +600,7 @@ regulator-name = "vddpu"; regulator-min-microvolt = <725000>; regulator-max-microvolt = <1450000>; - regulator-always-on; + regulator-enable-ramp-delay = <150>; anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <9>; anatop-vol-bit-width = <5>;