Messages in this thread | | | Date | Tue, 13 Dec 2016 20:14:59 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH 6/6] ARM: dts: sun8i: raise the max voltage of DCDC2 in sun8i reference tablets |
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On Tue, Dec 13, 2016 at 11:22:52PM +0800, Icenowy Zheng wrote: > The "extremity_freq" frequency described in the original FEX files uses > a voltage of 1.46v, which is beyond the current maximum voltage value of > DCDC2 (Cortex-A7 supply) in the sun8i reference tablet DTSI file. > > Raise the maximum value to 1.46v. > > Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> > --- > arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi > index 7ac8bb4bc95a..325ca5bd67a5 100644 > --- a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi > +++ b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi > @@ -180,7 +180,7 @@ > ®_dcdc2 { > regulator-always-on; > regulator-min-microvolt = <900000>; > - regulator-max-microvolt = <1400000>; > + regulator-max-microvolt = <1460000>;
This is outside of the voltage range tolerated by the CPU. NAK.
Maxime
-- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com [unhandled content-type:application/pgp-signature] | |