All of lore.kernel.org
 help / color / mirror / Atom feed
From: cphealy@gmail.com (Chris Healy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV
Date: Thu, 12 Apr 2018 07:14:39 -0700	[thread overview]
Message-ID: <CAFXsbZqO+jewUYsKtzHsmRJFedYp48TK9u5Aq36ips=5Y1BawQ@mail.gmail.com> (raw)
In-Reply-To: <20180412131556.11073-1-l.stach@pengutronix.de>

Tested-by: Chris Healy <cphealy@gmail.com>

On Thu, Apr 12, 2018 at 6:15 AM, Lucas Stach <l.stach@pengutronix.de> wrote:
> This bumps the SoC/PU domain operating points by 25mV, giving a total
> of 75mV margin to the minimum required voltages. This gets rid of
> brown-outs seen due to voltage drop-out on the board.
>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
>  arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> index 72f52fcecee1..4bc14b8e9a66 100644
> --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> @@ -263,6 +263,17 @@
>         };
>  };
>
> +&cpu0 {
> +       fsl,soc-operating-points = <
> +               /* ARM kHz  SOC-PU uV */
> +               1200000 1300000
> +               996000  1275000
> +               852000  1275000
> +               792000  1200000
> +               396000  1200000
> +       >;
> +};
> +
>  &reg_arm {
>         vin-supply = <&sw1a_reg>;
>  };
> --
> 2.16.3
>

  parent reply	other threads:[~2018-04-12 14:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-12 13:15 [PATCH 1/3] ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV Lucas Stach
2018-04-12 13:15 ` [PATCH 2/3] ARM: dts: imx6: RDU2+: add assigned clocks for GPU 3D Lucas Stach
2018-04-12 14:15   ` Chris Healy
2018-04-12 13:15 ` [PATCH 3/3] ARM: dts: imx6: RDU2: add eGalax touchscreen Lucas Stach
2018-04-12 14:15   ` Chris Healy
2018-04-12 14:14 ` Chris Healy [this message]
2018-04-23  9:11 ` [PATCH 1/3] ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV Shawn Guo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAFXsbZqO+jewUYsKtzHsmRJFedYp48TK9u5Aq36ips=5Y1BawQ@mail.gmail.com' \
    --to=cphealy@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.