From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/3] pinctrl: at91: add drive strength configuration
Date: Fri, 5 Sep 2014 09:56:02 +0200 [thread overview]
Message-ID: <54096C92.7020205@atmel.com> (raw)
In-Reply-To: <CACRpkdagLTaumFH_rzYzvW1+TSwwN+ABBdCeH9qrLwXpyu0dJg@mail.gmail.com>
On 05/09/2014 09:33, Linus Walleij :
> On Sun, Aug 24, 2014 at 5:12 AM, Marek Roszko <mark.roszko@gmail.com> wrote:
>
>> The SAMA5 and SAM9x5 series both have drive strength options for the PIOs. This
>> patch adds the ability to set one of three hardware options for drive strengths of low,
>> medium or high for the each pin. The actual current output of the chip based on the setting
>> is defined in the datasheets and varies per pins separate from banks and with supply voltage.
>>
>> This patch adds three new dt-bindings that allow setting the strength when configuring
>> pins. By default, no change will be made to the drive strength of a pin from its reset value.
>> Due to the difference between the register addresses of the SAMA5 and SAM9x5 series, a new
>> sama5d3-pinctrl id was added.
>>
>> Signed-off-by: Marek Roszko <mark.roszko@gmail.com>
>>
>> ---
>> changes from v1:
>> rebased to latest pinctrl
>> added requested comments
>> fix oversight in shift logic(off by 1)
>
> Tentatively applied this patch so we get some rotation in linux-next.
After reading the comments made back in January during first submission
of this feature, it seems that there was a consensus on this patch series.
After a quick look at the new version, the comments and needed
documentation has been added: Thanks Marek!
So, if it can help, you have my:
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
On the whole series. I will certainly take the AT91 compatible string
addition with my tree as well (patch 2/3).
Thanks to both of you, bye,
--
Nicolas Ferre
prev parent reply other threads:[~2014-09-05 7:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-24 3:12 [PATCH v2 1/3] pinctrl: at91: add drive strength configuration Marek Roszko
2014-08-24 3:12 ` [PATCH v2 2/3] ARM: at91/dt: at91: use new pinctrl id for sama5 Marek Roszko
2014-09-05 7:34 ` Linus Walleij
2014-09-08 8:07 ` Nicolas Ferre
2014-09-18 15:32 ` Nicolas Ferre
2014-08-24 3:12 ` [PATCH v2 3/3] pinctrl: at91: update documentation for drive strength options and tweaks Marek Roszko
2014-09-05 7:36 ` Linus Walleij
2014-09-01 8:27 ` [PATCH v2 1/3] pinctrl: at91: add drive strength configuration Linus Walleij
2014-09-01 8:28 ` Jean-Christophe PLAGNIOL-VILLARD
2014-09-05 7:33 ` Linus Walleij
2014-09-05 7:56 ` Nicolas Ferre [this message]
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