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

From: Nishanth Menon
Date: Wed Jun 25 2014 - 18:27:51 EST


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?

--
Regards,
Nishanth Menon
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