linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Rob Herring <robh@kernel.org>
To: Geoff Lansberry <geoff@kuvee.com>
Cc: linux-wireless@vger.kernel.org, lauro.venancio@openbossa.org,
	aloisio.almeida@openbossa.org, sameo@linux.intel.com,
	mark.rutland@arm.com, netdev@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	mgreer@animalcreek.com, justin@kuvee.com
Subject: Re: [PATCH 1/3] NFC: trf7970a: add device tree option for 27MHz clock
Date: Mon, 19 Dec 2016 16:31:11 -0600	[thread overview]
Message-ID: <20161219223111.itu77g7wsqtj6cvs@rob-hp-laptop> (raw)
In-Reply-To: <1481841044-4314-1-git-send-email-glansberry@gmail.com>

On Thu, Dec 15, 2016 at 05:30:42PM -0500, Geoff Lansberry wrote:
> From: Geoff Lansberry <geoff@kuvee.com>
> 
> ---
>  .../devicetree/bindings/net/nfc/trf7970a.txt       |  3 ++
>  drivers/nfc/trf7970a.c                             | 42 ++++++++++++++++------
>  2 files changed, 34 insertions(+), 11 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
> index 32b35a0..9dda879 100644
> --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
> +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt
> @@ -21,6 +21,8 @@ Optional SoC Specific Properties:
>  - t5t-rmb-extra-byte-quirk: Specify that the trf7970a has the erratum
>    where an extra byte is returned by Read Multiple Block commands issued
>    to Type 5 tags.
> +- crystal_27mhz: Set to specify that the input frequency to the trf7970a is 27.12MHz
> +

Can't you use 'clock-frequency = "27000000";'?

>  
>  Example (for ARM-based BeagleBone with TRF7970A on SPI1):
>  
> @@ -43,6 +45,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1):
>  		irq-status-read-quirk;
>  		en2-rf-quirk;
>  		t5t-rmb-extra-byte-quirk;
> +		crystal_27mhz;
>  		status = "okay";
>  	};
>  };

  parent reply	other threads:[~2016-12-19 22:31 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-15 22:30 Geoff Lansberry
2016-12-15 22:30 ` [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Geoff Lansberry
2016-12-16  1:13   ` Mark Greer
2016-12-19 22:35   ` Rob Herring
2016-12-20 16:13     ` Geoff Lansberry
2016-12-21  2:07       ` Mark Greer
2016-12-15 22:30 ` [PATCH 3/3] nfc: trf7970a: Prevent repeated polling from crashing the kernel Geoff Lansberry
2016-12-16  1:18   ` Mark Greer
2016-12-16  1:06 ` [PATCH 1/3] NFC: trf7970a: add device tree option for 27MHz clock Mark Greer
2016-12-19 22:31 ` Rob Herring [this message]
2016-12-19 23:23   ` Geoff Lansberry
2016-12-22 18:48     ` Rob Herring
2016-12-20 16:10 Geoff Lansberry
2016-12-20 16:16 Geoff Lansberry
2016-12-20 17:58 ` Jones Desougi
2016-12-20 18:11 ` Mark Greer
2016-12-20 18:29   ` Geoff Lansberry
2016-12-20 18:35     ` Mark Greer

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=20161219223111.itu77g7wsqtj6cvs@rob-hp-laptop \
    --to=robh@kernel.org \
    --cc=aloisio.almeida@openbossa.org \
    --cc=devicetree@vger.kernel.org \
    --cc=geoff@kuvee.com \
    --cc=justin@kuvee.com \
    --cc=lauro.venancio@openbossa.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mgreer@animalcreek.com \
    --cc=netdev@vger.kernel.org \
    --cc=sameo@linux.intel.com \
    --subject='Re: [PATCH 1/3] NFC: trf7970a: add device tree option for 27MHz clock' \
    /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

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).