Re: [PATCH] ARM: DRA7-evm: Enable SATA PHY and USB PHY power supplies

From: Tony Lindgren
Date: Thu Jun 26 2014 - 03:31:20 EST


* Nishanth Menon <nm@xxxxxx> [140625 15:29]:
> On 06/25/2014 07:56 AM, Roger Quadros wrote:
> > The SATA and USB PHYs need the 1.8V and 3.3V supplies.
> > The PHY drivers/framework don't yet support regulator
> > supply so we have to keep these regulators always-on till
> > then.
> >
> > Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> > ---
> > arch/arm/boot/dts/dra7-evm.dts | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
> > index 4adc280..99a1f79 100644
> > --- a/arch/arm/boot/dts/dra7-evm.dts
> > +++ b/arch/arm/boot/dts/dra7-evm.dts
> > @@ -241,6 +241,7 @@
> > regulator-min-microvolt = <1800000>;
> > regulator-max-microvolt = <1800000>;
> > regulator-boot-on;
> > + regulator-always-on;
> > };
> >
> > ldo9_reg: ldo9 {
> > @@ -266,6 +267,7 @@
> > regulator-min-microvolt = <3300000>;
> > regulator-max-microvolt = <3300000>;
> > regulator-boot-on;
> > + regulator-always-on;
> > };
> > };
> > };
> >
>
> Why not fix phy driver/framework as needed? the trouble is people
> always forget to remove always-on... who actually audits old logs and
> fixes stuff back up?

Yes I agree let's not play with the regulator-always-on unless
absolutely necessary.

Regards,

Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/