From: Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>
To: Fabio Estevam <festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Sascha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 2/9] ARM: dts: imx7-colibri: make sure multiplexed pins are not active
Date: Sun, 17 Dec 2017 21:02:56 +0100 [thread overview]
Message-ID: <38b23042a694d56198c398f21c4aa5d1@agner.ch> (raw)
In-Reply-To: <CAOMZO5AD6bDEMStEWY8hRG_8gh0RAD_66zboTsKd-cFkPtiLKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 2017-12-16 15:01, Fabio Estevam wrote:
> On Wed, Dec 6, 2017 at 1:29 PM, Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org> wrote:
>> The Colibri pins PWM<A> and <D> are multiplexed on the module, make
>> sure the secondary SoC pin is not active.
>>
>> Signed-off-by: Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>
>
> I haven't really understood the commit message, but this is probably
> because I don't have access to the schematics.
It means that the modules pins are connected to two SoC pads. It is also
mentioned in the Colibri iMX7 datasheet.
This allows to use the module pin for a different purpose, but we mux it
such that it is usable for the primary purpose (which is PWM).
>
> Anyway:
>
> Reviewed-by: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
Thanks!
--
Stefan
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next prev parent reply other threads:[~2017-12-17 20:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 15:29 [PATCH 1/9] ARM: dts: imx7-colibri: move and rename USB Host power regulator Stefan Agner
2017-12-06 15:29 ` [PATCH 2/9] ARM: dts: imx7-colibri: make sure multiplexed pins are not active Stefan Agner
[not found] ` <20171206153005.6144-2-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:01 ` Fabio Estevam
[not found] ` <CAOMZO5AD6bDEMStEWY8hRG_8gh0RAD_66zboTsKd-cFkPtiLKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-17 20:02 ` Stefan Agner [this message]
2017-12-06 15:29 ` [PATCH 3/9] ARM: dts: imx7-colibri: mux pull-ups where appropriate Stefan Agner
[not found] ` <20171206153005.6144-3-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:02 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 4/9] ARM: dts: imx7-colibri: use NAND_CE1 as GPIO Stefan Agner
[not found] ` <20171206153005.6144-4-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:02 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 5/9] ARM: dts: imx7-colibri: specify cpu-supply Stefan Agner
[not found] ` <20171206153005.6144-5-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 13:59 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 7/9] ARM: dts: imx7-colibri: specify backlight GPIO Stefan Agner
[not found] ` <20171206153005.6144-7-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:03 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 8/9] ARM: dts: imx7-colibri: add MCP2515 CAN controller Stefan Agner
2017-12-07 8:59 ` Stefan Agner
[not found] ` <20171206153005.6144-8-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:05 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 9/9] ARM: dts: imx7: add Toradex Colibri iMX7D 1GB (eMMC) support Stefan Agner
[not found] ` <20171206153005.6144-9-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:09 ` Fabio Estevam
[not found] ` <CAOMZO5Dv5dRbbHeqMtitXaHjJbMF4nGQWg0dpyHu0hh+2TaxGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-16 14:18 ` Philippe Ombredanne
[not found] ` <20171206153005.6144-1-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-06 15:30 ` [PATCH 6/9] ARM: dts: imx7-colibri: specify usdhc1 supplies Stefan Agner
[not found] ` <20171206153005.6144-6-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:03 ` Fabio Estevam
2017-12-16 14:00 ` [PATCH 1/9] ARM: dts: imx7-colibri: move and rename USB Host power regulator Fabio Estevam
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