devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
To: Mugunthan V N <mugunthanvnm-l0cyMroinI0@public.gmane.org>
Cc: bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
	tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [resend PATCH 1/3] pinctrl: dra7: dt-bindings: add pin off modes for dra7 SoC
Date: Mon, 8 Sep 2014 14:32:35 -0500	[thread overview]
Message-ID: <20140908193235.GA12150@kahuna> (raw)
In-Reply-To: <1410203998-8700-2-git-send-email-mugunthanvnm-l0cyMroinI0@public.gmane.org>

On 00:49-20140909, Mugunthan V N wrote:
> Add pin off modes for dra7 SoC so that during module disable or suspend
> state it can help saving power
> 
> Signed-off-by: Mugunthan V N <mugunthanvnm-l0cyMroinI0@public.gmane.org>
> ---
>  include/dt-bindings/pinctrl/dra.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h
> index 002a285..a0ff2d0 100644
> --- a/include/dt-bindings/pinctrl/dra.h
> +++ b/include/dt-bindings/pinctrl/dra.h
> @@ -46,5 +46,13 @@
>  #define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
>  #define PIN_INPUT_PULLDOWN	(PULL_ENA | INPUT_EN)
>  
> +/* Off mode states */
> +#define PIN_OFF_NONE		0
> +#define PIN_OFF_OUTPUT_HIGH	(OFF_EN | OFFOUT_EN | OFFOUT_VAL)
> +#define PIN_OFF_OUTPUT_LOW	(OFF_EN | OFFOUT_EN)
> +#define PIN_OFF_INPUT_PULLUP	(OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
> +#define PIN_OFF_INPUT_PULLDOWN	(OFF_EN | OFF_PULL_EN)
> +#define PIN_OFF_WAKEUPENABLE	WAKEUP_EN
> +
>  #endif

NAK for OFF_NONE, OFF_xyz etc.

A) There is no OFF mode on DRA7. in sleep state use mode 15 (gated).
B) when using this for wakeup - use pinctrl wakeup handling to do the
wakeup.

Regards,
Nishanth Menon
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2014-09-08 19:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-08 19:19 [resend PATCH 0/3] Add DRA7xx CPSW Ethernet support in Device Tree Mugunthan V N
2014-09-08 19:19 ` [resend PATCH 1/3] pinctrl: dra7: dt-bindings: add pin off modes for dra7 SoC Mugunthan V N
     [not found]   ` <1410203998-8700-2-git-send-email-mugunthanvnm-l0cyMroinI0@public.gmane.org>
2014-09-08 19:32     ` Nishanth Menon [this message]
2014-09-09  9:17       ` Mugunthan V N
2014-09-08 19:19 ` [resend PATCH 2/3] arm/dts: dra7xx: Add CPSW and MDIO module nodes for dra7xx Mugunthan V N
2014-09-08 19:19 ` [resend PATCH 3/3] arm/dts: dra7xx: Enable CPSW and MDIO for dra7xx EVM Mugunthan V N
2014-09-08 19:33   ` Nishanth Menon
     [not found] ` <1410203998-8700-1-git-send-email-mugunthanvnm-l0cyMroinI0@public.gmane.org>
2014-09-08 19:34   ` [resend PATCH 0/3] Add DRA7xx CPSW Ethernet support in Device Tree Nishanth Menon
2014-09-09 11:29     ` Mugunthan V N
     [not found]       ` <540EE4B0.70207-l0cyMroinI0@public.gmane.org>
2014-09-09 12:15         ` Nishanth Menon
2014-09-09 12:56           ` Mugunthan V N
2014-09-09 13:04             ` Nishanth Menon

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=20140908193235.GA12150@kahuna \
    --to=nm-l0cymroini0@public.gmane.org \
    --cc=bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org \
    --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=mugunthanvnm-l0cyMroinI0@public.gmane.org \
    --cc=tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).