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";
> };
> };
next prev 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 [PATCH 1/3] NFC: trf7970a: add device tree option for 27MHz clock 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
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