From: a0393675@ti•com (Keerthy)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V2 2/2] ARM: dts: DRA7: Add node for RTC
Date: Wed, 9 Jul 2014 16:05:36 +0530 [thread overview]
Message-ID: <53BD1AF8.2060609@ti.com> (raw)
In-Reply-To: <20140709100914.GL28884@atomide.com>
On Wednesday 09 July 2014 03:39 PM, Tony Lindgren wrote:
> * Keerthy <a0393675@ti•com> [140709 02:36]:
>> On Wednesday 09 July 2014 02:42 PM, Tony Lindgren wrote:
>>> * Lokesh Vutla <lokeshvutla@ti•com> [140709 01:37]:
>>>> --- a/arch/arm/boot/dts/dra7-evm.dts
>>>> +++ b/arch/arm/boot/dts/dra7-evm.dts
>>>> @@ -249,6 +249,7 @@
>>>> regulator-min-microvolt = <1050000>;
>>>> regulator-max-microvolt = <1050000>;
>>>> regulator-boot-on;
>>>> + regulator-always-on;
>>>> };
>>> Is this regulator really always on?
>> This feeds on to RTC which is a free running clock. So i guess always on is
>> justified no?
> Well the dts entries should describe the hardware. If the
> regulator can be enabled and disabled, we should not claim it's
> always on.
From the PMIC perspective every regulator can be enabled and
disabled. From a Board perspective there are some which need
to be always on. For Ex: SMPS123 which feeds on to the MPU.
I guess RTC also needs the supply to be on as long as we want
the clock to be ticking.
> Also adding temporary dts entries just causes more churn on the
> dts files which is a PITA for everybody.
>
> Regards,
>
> Tony
Regards,
Keerthy
next prev parent reply other threads:[~2014-07-09 10:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 12:37 [PATCH] ARM: DRA7: hwmod: add entry for RTCSS Sekhar Nori
2014-06-13 19:09 ` Paul Walmsley
2014-06-15 3:47 ` Paul Walmsley
2014-07-03 10:22 ` Rajendra Nayak
2014-07-06 0:32 ` Paul Walmsley
2014-07-09 8:35 ` [PATCH V2 0/2] ARM: DRA7: Add RTC hwmod and dt entries Lokesh Vutla
2014-07-09 8:35 ` [PATCH V2 1/2] ARM: DRA7: hwmod: Add data for RTC Lokesh Vutla
2014-07-22 10:19 ` Lokesh Vutla
2014-07-22 19:19 ` Paul Walmsley
2014-07-09 8:35 ` [PATCH V2 2/2] ARM: dts: DRA7: Add node " Lokesh Vutla
2014-07-09 9:12 ` Tony Lindgren
2014-07-09 9:32 ` Keerthy
2014-07-09 10:09 ` Tony Lindgren
2014-07-09 10:35 ` Keerthy [this message]
2014-07-09 10:50 ` Tony Lindgren
2014-07-09 10:56 ` Keerthy
2014-07-09 11:00 ` Tony Lindgren
2014-07-09 11:06 ` Keerthy
2014-07-14 14:45 ` Lokesh Vutla
2014-07-14 16:23 ` Tony Lindgren
2014-07-15 3:57 ` Keerthy
2014-07-15 4:07 ` Lokesh Vutla
2014-07-15 6:59 ` Tony Lindgren
2014-07-15 3:51 ` Keerthy
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